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Ordered DTC List

DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC DTC Descriptor Module That Sets DTC Diagnostic Procedure
B0012 Passenger Frontal Deployment Loop Stage 2 Resistance Low SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0013 Passenger Frontal Deployment Loop Stage 2 Open SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0014 Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0016 Passenger Frontal Deployment Loop Stage 1 Resistance Low SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0017 Passenger Frontal Deployment Loop Stage 1 Open SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0018 Passenger Frontal Deployment Loop Stage 1 Out of Range SDM DTC B0012, B0013, B0014, B0016, B0017 or B0018
B0022 Driver Frontal Deployment Loop Stage 1 Resistance Low SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0024 Driver Frontal Deployment Loop Stage 1 Out of Range SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0026 Driver Frontal Deployment Loop Stage 1 Open SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0042 Driver Frontal Deployment Loop Stage 2 Resistance Low SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0043 Driver Frontal Deployment Loop Stage 2 Voltage Out of Range SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0044 Driver Frontal Deployment Loop Stage 2 Open SDM DTC B0022, B0024, B0026, B0042, B0043 or B0044
B0051 Deployment Commanded SDM DTC B0051
B0053 Deployment Commanded with Loop DTCs Present SDM DTC B0053
B0078 Passenger Side Impact Sensor (SIS) Performance SDM DTC B0078, B0081 or B0082
B0081 Incorrect Passenger Side Impact Sensor (SIS) Installed SDM DTC B0078, B0081 or B0082
B0082 Discard Passenger Side Impact Sensor (SIS) SDM DTC B0078, B0081 or B0082
B0083 Passenger Seat Position Sensor Circuit SDM DTC B0083 or B0084
B0084 Driver Seat Position Sensor Circuit SDM DTC B0083 or B0084
B0090 Active Switch Voltage Out of Range SDM DTC B0090
B0091 Active Switch: Wrong State SDM DTC B0091
B0092 Passenger Presence System Performance SDM DTC B0092
B0098 Passenger Presence System Configuration Error SDM DTC B0098
B0100 Electronic Front End Sensor 1 Performance SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0101 Discard Electronic Front End Sensor 1 SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0102 Incorrect Electronic Front End Sensor 1 Installed SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0103 Electronic Front End Sensor 2 Performance SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0104 Discard Electronic Front End Sensor 2 SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0105 Incorrect Electronic Front End Sensor 2 Installed SDM DTC B0100, B0101, B0102, B0103, B0104 or B0105
B0159 Outside Air Temperature Sensor Circuit Range/Performance HCM DTC B0159
HVAC Control Module DTC B0159 or B0164
B0164 Passenger Compartment Temperature Sensor Circuit Range/Performance HVAC Control Module DTC B0159 or B0164
B0174 Output Air Temperature Sensor 1 Upper Left Circuit Range/Performance HVAC Control Module DTC B0174, B0179, B0510 or B0515
B0179 Output Air Temperature Sensor 2 Lower Left Circuit Range/Performance HVAC Control Module DTC B0174, B0179, B0510 or B0515
B0183 Solar Load Sensor 1 Circuit HVAC Control Module DTC B0183 or B0188
B0188 Solar Load Sensor 2 Circuit HVAC Control Module DTC B0183 or B0188
B0229 Recirculate Position Feedback Circuit Range/Performance HVAC Control Module DTC B0229, B0414, B0424 or B3770
B0263 Air Flow Control 6 A/C Circuit HVAC Control Module DTC B0263, B0268, B0408 or B0418 with CJ2
DTC B0263, B0408 or B0418 with CJ3
B0268 Air Flow Control 7 Circuit HVAC Control Module DTC B0263, B0268, B0408 or B0418
B0283 Electric Rear Defrost Circuit BCM DTC B0283
B0408 Temperature Control 1 Circuit HVAC Control Module DTC B0263, B0268, B0408 or B0418 with CJ2
DTC B0263, B0408 or B0418 with CJ3
B0414 Temperature Control 1 Feedback Circuit Range/Performance HVAC Control Module DTC B0229, B0414, B0424 or B3770 with CJ2
DTC B0414, B0424 or B3770 with CJ3
B0418 Temperature Control 2 Circuit HVAC Control Module DTC B0263, B0268, B0408 or B0418 with CJ2
DTC B0263, B0408 or B0418 with CJ3
B0424 Temperature Control 2 Feedback Circuit Range/Performance HVAC Control Module DTC B0229, B0414, B0424 or B3770 with CJ2
DTC B0414, B0424 or B3770 with CJ3
B0510 Output Air Temperature Sensor 3 Upper Right Circuit Range/Performance HVAC Control Module DTC B0174, B0179, B0510 or B0515
B0515 Output Air Temperature Sensor 4 Lower Right Circuit Range/Performance HVAC Control Module DTC B0174, B0179, B0510 or B0515
B0540 Speedometer Circuit IPC DTC B0540
B0560 Tachometer Circuit IPC DTC B0560
B0790 Transfer Case Neutral Indicator Circuit Malfunction ATC DTC B0790 NVG 246-NP8 transfer case
DTC B0790 NVG 263-NP1 transfer case
B0989 Output Air Temperature Lower Sensors Correlation HVAC Control Module DTC B0989
B0990 Output Air Temperature Upper Sensors Correlation HVAC Control Module DTC B0990
B1000 Electronic Control Unit (ECU) Performance Audio Amplifier, BCM, DDM, DRR, DSM, FPDM, HVAC, IPC, Radio, RWSCM, SDM, VCIM DTC B1000
B1001 Option Configuration Error Radio DTC B1001
SDM DTC B1001
VCIM DTC B1001
B1004 Keep Alive Memory (KAM) Reset OnStar® VCIM DTC B1004
B1007 Unassigned OnStar® VCIM DTC B1007
B1009 EEPROM Checksum Mismatch OnStar® VCIM DTC B1009
B1017 Output Driver Module Performance BCM DTC B1017 or B3970
B1023 Integral Switch Performance DDM, PDM DTC B1023
B1025 Audio Output 1 Left Front Circuit Radio DTC B1025, B1035, B1045 or B1055
B1035 Audio Output 2 Right Front Circuit Radio DTC B1025, B1035, B1045 or B1055
B1045 Audio Output 3 Left Rear Circuit Radio DTC B1025, B1035, B1045 or B1055
B1055 Audio Output 4 Right Rear Circuit Radio DTC B1025, B1035, B1045 or B1055
B1235 Amplifier On Signal Circuit Radio DTC B1235
B1259 Antenna Ground Circuit DRR DTC B1259
B1372 Device Ignition 1 Circuit Low BCM DTC B1372
B1375 Device Ignition 3 Circuit HVAC Control Module DTC B1375 with CJ2
DTC B1375 with CJ3
B1390 Device Voltage Reference Input 1 Circuit GBCM DTC B1390
B1397 Device Voltage Reference Output Circuit Low BCM DTC B1397
B139A DC/AC Converter Input Voltage Low SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B139B DC/AC Converter Current Sensor Low SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B139C DC/AC Converter Current Sensor High SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B139D DC/AC Converter Output Current High SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B139E DC/AC Converter Stuck OFF SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B139F DC/AC Converter Stuck ON SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B140A DC/AC Converter Output Ground Fault Performance SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B140B DC/AC Converter Output Ground Fault SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B140C DC/AC Converter Performance SGCM DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
B1422 Device Power Moding Error HCM DTC B1422
B1440 Power Mode Master Input Circuits Mismatch BCM DTC B1440
B1480 Battery Rundown Protection Circuit BCM DTC B1480
B1487 Generator L-Terminal Circuit Low GBCM DTC B1487
B1488 Generator L-Terminal Circuit High GBCM DTC B1488
B1492 Generator F-Terminal Circuit Low GBCM DTC B1492
B1516 Battery Current Sensor Performance GBCM DTC B1516
B1544 Mirror Motors Common Circuit DDM, PDM DTC B1544, B1600 or B1605
B1580 Left Front Mirror Horizontal Position Sensor Circuit DDM, PDM DTC B1580, B1590, B1610 or B1620
B1590 Left Front Mirror Vertical Position Sensor Circuit DDM, PDM DTC B1580, B1590, B1610 or B1620
B1600 Mirror Motor Vertical Circuit DDM, PDM DTC B1544, B1600 or B1605
B1605 Mirror Motor Horizontal Circuit DDM, PDM DTC B1544, B1600 or B1605
B1610 Right Front Mirror Horizontal Position Sensor Circuit DDM, PDM DTC B1580, B1590, B1610 or B1620
B1620 Right Front Mirror Vertical Position Sensor Circuit DDM, PDM DTC B1580, B1590, B1610 or B1620
B1640 Left Front Mirror Heater Circuit DDM, PDM DTC B1640 or B1645
B1645 Right Front Mirror Heater Circuit DDM, PDM DTC B1640 or B1645
B1722 Mirror Power Fold Control Circuit DDM, PDM DTC B1722
B1770 Driver Seat Motor Horizontal Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1775 Driver Seat Motor Front Vertical Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1780 Driver Seat Motor Rear Vertical Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1785 Driver Seat Motor Recline Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1790 Driver Seat Motor Lumbar Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1805 Driver Seat Motor Side Bolster Circuit DSM DTC B1770, B1775, B1780, B1785, B1790, B1805 or B2415
B1825 Driver Seat Recline Position Sensor Circuit DSM DTC B1825
B1850 Driver Seat Lumbar Position Sensor Circuit DSM DTC B1850, B1860, B1960, B2355, B2365 or B2375
B1960 Driver Seat Side Bolster Position Sensor Circuit DSM DTC B1850, B1860, B1960, B2355, B2365 or B2375
B2355 Driver Seat Front Vertical Position Sensor Circuit DSM DTC B1850, B1860, B1960, B2355, B2365 or B2375
B2365 Driver Seat Rear Vertical Position Sensor Circuit DSM DTC B1850, B1860, B1960, B2355, B2365 or B2375
B2375 Driver Seat Horizontal Position Sensor Circuit DSM DTC B1850, B1860, B1960, B2355, B2365 or B2375
B2425 Driver Seat Heater Circuit DSM DTC B2425 or B2430
B2430 Passenger Seat Heater Circuit DSM DTC B2425 or B2430
B2435 Driver Seat Back Heater Sensor Circuit DSM DTC B2435 or B2440
B2440 Passenger Seat Back Heater Sensor Circuit DSM DTC B2435 or B2440
B2455 Cellular Phone Microphone Circuit Malfunction OnStar® VCIM DTC B2455
B2470 Cellular Phone Antenna Circuit Malfunction OnStar® VCIM DTC B2470
B2476 Cellular Phone Select Service Switch Malfunction OnStar® VCIM DTC B2476
B2482 Cellular Phone Select Switch Range/Performance OnStar® VCIM DTC B2482
B2483 GPS Sensor Circuit Low OnStar® VCIM DTC B2483 or B2484
B2484 GPS Sensor Circuit Open OnStar® VCIM DTC B2483 or B2484
B2527 Front Fog Lamps Circuit Low BCM DTC B2527
B2537 Rear Fog Lamps Circuit Low BCM DTC B2537
B2550 Backup Lamps Control Circuit BCM DTC B2550
B2575 Headlamp Control Circuit BCM DTC B2575
B2580 Headlamp High Beam Control Circuit BCM DTC B2580
B2585 Park Lamp Control Circuit BCM DTC B2585
B2600 Daytime Running Lamp Control Circuit BCM DTC B2600
B2610 Passenger Compartment Dimming 1 Circuit BCM DTC B2610
B2615 Passenger Compartment Dimming 2 Circuit BCM DTC B2615
B2620 Display Dimming Pulse Width Modulation (PWM) Input Circuit BCM DTC B2620
B2625 Display Dimming Pulse Width Modulation (PWM) Output Circuit BCM DTC B2625
B2645 Ambient Light Sensor Circuit BCM DTC B2645
B2725 Active Transfer Case (ATC) Mode Switch Circuit Malfunction ATC DTC B2725 NVG 246-NP8 transfer case
DTC B2725 NVG 263-NP1 transfer case
B2752 Horn Relay Coil Circuit Low BCM DTC B2752
B2815 Steering Wheel Controls Illegal Resistance Value BCM DTC B2815
DTC B2815
B2947 Security System Sensor Power Circuit Low BCM DTC B2947
B2948 Security System Sensor Power Circuit High BCM DTC B2948
B2957 Security System Sensor Data Circuit Low BCM DTC B2957
B2958 Security System Sensor Data Circuit High BCM DTC B2958
B2960 Security System Sensor Data Incorrect but Valid BCM DTC B2960
B2961 Key in Ignition Circuit BCM DTC B2961
B3006 Hood Ajar Circuit BCM DTC B3006
B3008 Hood Ajar Circuit Low BCM DTC B3008
B3009 Hood Ajar Circuit High BCM DTC B3009
B3031 Security System Controller in Learn Mode BCM DTC B3031
B3033 Security System Indicates Tamper BCM DTC B3033
B3654 Electrical Power Take Off Control Switch Circuit HCM DTC B3654, B3655 or B3656
B3655 Electrical Power Take Off Control Switch Circuit Low HCM DTC B3654, B3655 or B3656
B3656 Electrical Power Take Off Control Switch Circuit High HCM DTC B3654, B3655 or B3656
B3770 Air Flow Control 6 Feedback Circuit HVAC Control Module DTC B0229, B0414, B0424 or B3770 with CJ2
DTC B0414, B0424 or B3770 with CJ3
B3801 Passenger Compartment Lamp Request Circuit BCM DTC B3801
B3802 Parklamp Request Circuit BCM DTC B3802
B3808 Rear Door Lock Relay Circuit BCM DTC B3808
B3809 Rear Door Unlock Relay Circuit BCM DTC B3809
B3819 Left Rear Window Up Control Circuit BCM DTC B3819
B3820 Left Rear Window Down Control Circuit BCM DTC B3820
B3821 Left Rear Window Relay Power Circuit BCM DTC B3821
B3822 Right Rear Window Up Control Circuit BCM DTC B3822
B3823 Right Rear Window Down Control Circuit BCM DTC B3823
B3824 Right Rear Window Relay Power Circuit BCM DTC B3824
B3844 Engine Coolant Circulation Pump Circuit HCM DTC B3844
B3941 Front Seat Heaters Circuit DSM DTC B3941
B3962 Seat Motors Overcurrent DSM DTC B3962
C0035 Left Front Wheel Speed Sensor Circuit EBCM DTC C0035 or C0040
DTC C0035 or U0415
C003D Rear Wheel Speed Sensor Circuit EBCM DTC C0055 or C003D
C0040 Right Front Wheel Speed Sensor Circuit EBCM DTC C0035 or C0040
C0055 Rear Wheel Speed Sensor Circuit EBCM DTC C0055 or C003D
C0078 Wheel Speed Sensor Frequency Error EBCM DTC C0245 or C0078
C0110 Pump Motor Circuit EBCM DTC C0110
C0136 Base Brake System Pressure Circuit EBCM DTC C0136
C0161 Antilock Brake System (ABS)/Traction Control System (TCS) Brake Switch EBCM DTC C0161
C0201 Antilock Brake System (ABS) Enable Relay Contact Circuit EBCM DTC C0201
C0221 Right Front Wheel Speed Sensor Circuit Open EBCM DTC C0221-C0227
C0222 Right Front Wheel Speed Signal Missing EBCM DTC C0221-C0227
C0223 Right Front Wheel Speed Signal Erratic EBCM DTC C0221-C0227
C0225 Left Front Wheel Speed Sensor Circuit Open EBCM DTC C0221-C0227
C0226 Left Front Wheel Speed Signal Missing EBCM DTC C0221-C0227
C0227 Left Front Wheel Speed Signal Erratic EBCM DTC C0221-C0227
C0228 Left Front Antilock Brake System (ABS) Channel in Release Too Long EBCM DTC C0228
C0229 Drop Out of Both Front Speed Sensors EBCM DTC C0229
C0235 Rear Wheel Speed Signal Circuit Open EBCM DTC C0235-C0237 or P0609
C0236 Rear Wheel Speed Signal Circuit Missing EBCM DTC C0235-C0237 or P0609
C0237 Rear Wheel Speed Signal Circuit Erratic EBCM DTC C0235-C0237 or P0609
C0238 Wheel Speed Mismatch EBCM DTC C0238
C0240 EBCM Malfunction EBCM DTC C0240
C0241 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0242 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0243 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0244 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0245 EBCM Control Valve Circuit - Less than 8600 GVW or equipped with Rear Disc Brakes EBCM DTC C0241-C0254
Wheel Speed Sensor Frequency Error - Greater than 8600 GVW or equipped with Rear Drum Brakes DTC C0245 or C0078
C0246 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0247 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0248 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0251 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0252 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0253 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0254 EBCM Control Valve Circuit EBCM DTC C0241-C0254
C0265 EBCM Motor Relay Circuit EBCM DTC C0265 or C0266
C0266 EBCM Motor Relay Circuit EBCM DTC C0265 or C0266
C0267 Pump Motor Circuit Open EBCM DTC C0267 or C0268
C0268 Pump Motor Circuit Shorted EBCM DTC C0267 or C0268
C0269 Excessive Dump Time EBCM DTC C0269 or C0274
C0271 EBCM Malfunction EBCM DTC C0271-C0273, C0284
C0272 EBCM Malfunction EBCM DTC C0271-C0273, C0284
C0273 EBCM Malfunction EBCM DTC C0271-C0273, C0284
C0274 Excessive Isolation Time EBCM DTC C0269 or C0274
C0277 Brake Pedal Position Sensor Circuit EHPS DTC C0277
C0278 Brake Pedal Position Sensor Not Calibrated EHPS DTC C0278
C0279 Powertrain Configuration not Valid EBCM DTC C0279
C0281 Stoplamp Switch Circuit EBCM DTC C0281
C0282 Brake Pedal Position Sensor Circuit Range/Performance EHPS DTC C0282
C0283 Brake Pedal Position Sensor Circuit Low EHPS DTC C0283
Mode Switch Circuit Malfunction EBCM DTC C0283
C0284 Brake Pedal Position Sensor Circuit High EHPS DTC C0284
EBCM Malfunction EBCM DTC C0271-C0273, C0284
C0287 Delivered Torque Signal Malfunction EBCM DTC C0287, P1644 or P1689
C0290 Class 2 Data Link Malfunction EBCM DTC C0290 or C0292
C0291 Body Control Module (BCM) Configuration not Valid EBCM DTC C0291
C0292 Lost Communications with Engine Control System EBCM DTC C0290 or C0292
C0294 Brake Switch and Brake Pedal Position Sensor Correlation EHPS DTC C0294
C0297 Powertrain Configuration Data not Received EBCM DTC C0297
C0298 Powertrain Control Malfunction EBCM DTC C0298 or P0856
C0300 Rear Propshaft Speed Sensor Malfunction ATC DTC C0300
C0305 Front Propshaft Speed Sensor Malfunction ATC DTC C0305
C0306 Motor A or B Circuit Malfunction ATC DTC C0306 NVG 246-NP8 transfer case
DTC C0306 NVG 263-NP1 transfer case
C0321 Transfer Case Lock Circuit Malfunction ATC DTC C0321
C0327 Encoder Circuit Malfunction ATC DTC C0327 NVG 246-NP8 transfer case
DTC C0327 NVG 263-NP1 transfer case
C0359 Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction ATC DTC C0359 NVG 246-NP8 transfer case
DTC C0359 NVG 263-NP1 transfer case
C0374 General System Malfunction ATC DTC C0374
C0379 Front Axle System Malfunction ATC DTC C0379 NVG 246-NP8 transfer case
DTC C0379 NVG 263-NP1 transfer case
C0448 Electric Hydraulic Steering Pump Enable Circuit EHPS DTC C0448
C0481 Electric Hydraulic Steering Motor Circuit Range/Performance EHPS DTC C0481
C0485 Electric Hydraulic Steering Temperature Sensor Circuit EHPS DTC C0485
C0511 Steering Position and Rate of Change Sensor Circuit EHPS DTC C0511
C0544 Steering Position Sensor Data Error EHPS DTC C0544
C0550 Electronic Control Unit (ECU) Performance ATC DTC C0550 NVG 246-NP8 transfer case
DTC C0550 NVG 263-NP1 transfer case
EBCM DTC C0550 or C0570
EHPS DTC C0550
C0558 Calibration Data Not Programmed EBCM DTC C0558
C0564 Program Read Only Memory (ROM) Checksum Error EHPS DTC C0564
C0570 Electronic Control Unit Performance EBCM DTC C0550 or C0570
C0750 Left Front Low Tire Pressure Sensor PDM, RCDLR DTC C0750, C0755, C0760 or C0765
C0755 Right Front Low Tire Pressure Sensor PDM, RCDLR DTC C0750, C0755, C0760 or C0765
C0760 Left Rear Low Tire Pressure Sensor PDM, RCDLR DTC C0750, C0755, C0760 or C0765
C0765 Right Rear Low Tire Pressure Sensor PDM, RCDLR DTC C0750, C0755, C0760 or C0765
C0775 Low Tire Pressure System Sensors Not Programmed/Learned PDM, RCDLR DTC C0775
C0870 Device Voltage Reference Output Circuit EHPS DTC C0870
C0895 Device Voltage EHPS DTC C0895
P0016 Crankshaft Position (CKP) - Camshaft Position (CMP) Correlation ECM, PCM DTC P0016 (4.3L)
DTC P0016 (6.6L - LLY)
P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 PCM
P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 PCM
P003A Turbocharger Boost Control Position Not Learned ECM DTC P003A (6.6L - LLY)
P0045 Turbocharger Vane Position Control Solenoid Control Circuit ECM DTC P0045 (6.6L - LLY)
P0050 HO2S Heater Control Circuit Bank 2 Sensor 1 PCM
P0053 HO2S Heater Resistance Bank 1 Sensor 1 PCM
P0054 HO2S Heater Resistance Bank 1 Sensor 2 PCM
P0056 HO2S Heater Control Circuit Bank 2 Sensor 2 PCM
P0059 HO2S Heater Resistance Bank 2 Sensor 1 PCM
P0060 HO2S Heater Resistance Bank 2 Sensor 2 PCM
P0068 Throttle Body Airflow Performance PCM DTC P0068 (4.8L, 5.3L, and 6.0L)
DTC P0068 (8.1L)
P0087 Fuel Rail Pressure (FRP) Too Low ECM DTC P0087 or P0088 (6.6L - LLY)
P0088 Fuel Rail Pressure (FRP) Too High ECM DTC P0087 or P0088 (6.6L - LLY)
P0090 Fuel Pressure Regulator Control Circuit ECM DTC P0090 (6.6L - LLY)
P0097 Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage ECM DTC P0097 or P0098 (6.6L - LLY)
P0098 Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage ECM DTC P0097 or P0098 (6.6L - LLY)
P0101 Mass Air Flow (MAF) Sensor Performance ECM, PCM
P0102 Mass Air Flow (MAF) Sensor Circuit Low Voltage ECM DTC P0102 or P0103 (6.6L - LLY)
Mass Air Flow (MAF) Sensor Circuit Low Frequency PCM
P0103 Mass Air Flow (MAF) Sensor Circuit High Voltage ECM DTC P0102 or P0103 (6.6L - LLY)
Mass Air Flow (MAF) Sensor Circuit High Frequency PCM
P0106 Manifold Absolute Pressure (MAP) Sensor Performance ECM, PCM
P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage ECM, PCM
P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage ECM, PCM
P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage ECM, PCM
P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage ECM, PCM
P0116 Engine Coolant Temperature (ECT) Sensor Performance ECM, PCM
P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage ECM, PCM
P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage ECM, PCM
P0120 Throttle Position (TP) Sensor 1 Circuit PCM DTC P0120 (4.8L, 5.3L, and 6.0L)
DTC P0120 (8.1L)
P0121 Throttle Position (TP) Sensor Performance PCM DTC P0121 (4.3L)
P0122 Throttle Position (TP) Sensor Circuit Low Voltage PCM DTC P0122 (4.3L)
P0123 Throttle Position (TP) Sensor Circuit High Voltage PCM DTC P0123 (4.3L)
P0128 Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature ECM, PCM
P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1 PCM
P0132 HO2S Circuit High Voltage Bank 1 Sensor 1 PCM
P0133 HO2S Slow Response Bank 1 Sensor 1 PCM
P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1 PCM
P0135 HO2S Heater Performance Bank 1 Sensor 1 PCM
P0136 HO2S Performance Bank 1 Sensor 2 PCM DTC P0136 or P0156 for 4.8L, 5.3L, and 6.0L engine
P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2 PCM
P0138 HO2S Circuit High Voltage Bank 1 Sensor 2 PCM
P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2 PCM
P0141 HO2S Heater Performance Bank 1 Sensor 2 PCM
P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1 PCM
P0152 HO2S Circuit High Voltage Bank 2 Sensor 1 PCM
P0153 HO2S Slow Response Bank 2 Sensor 1 PCM
P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1 PCM
P0155 HO2S Heater Performance Bank 2 Sensor 1 PCM
P0156 HO2S Performance Bank 2 Sensor 2 PCM DTC P0136 or P0156 (4.8L, 5.3L, and 6.0L)
P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2 PCM
P0158 HO2S Circuit High Voltage Bank 2 Sensor 2 PCM
P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2 PCM
P0161 HO2S Heater Performance Bank 2 Sensor 2 PCM
P0168 Engine Fuel Overtemperature ECM DTC P0168 (6.6L - LLY)
P0171 Fuel Trim System Lean Bank 1 PCM
P0172 Fuel Trim System Rich Bank 1 PCM
P0174 Fuel Trim System Lean Bank 2 PCM
P0175 Fuel Trim System Rich Bank 2 PCM
P0181 Fuel Temperature Sensor Performance ECM DTC P0181 (6.6L - LLY)
P0182 Fuel Temperature Sensor Circuit Low Voltage ECM DTC P0182 or P0183 (6.6L - LLY)
P0183 Fuel Temperature Sensor Circuit High Voltage ECM DTC P0182 or P0183 (6.6L - LLY)
P0191 Fuel Rail Pressure (FRP) Sensor Performance ECM DTC P0191 - P0193 (6.6L - LLY)
P0192 Fuel Rail Pressure (FRP) Sensor Circuit Low Voltage ECM DTC P0191 - P0193 (6.6L - LLY)
P0193 Fuel Rail Pressure (FRP) Sensor Circuit High Voltage ECM DTC P0191 - P0193 (6.6L - LLY)
P0200 Injector Control Circuit PCM
P0201 Injector 1 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0202 Injector 2 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0203 Injector 3 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0204 Injector 4 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0205 Injector 5 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0206 Injector 6 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0207 Injector 7 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0208 Injector 8 Drive Fault ECM DTC P0201-P0208 (6.6L - LLY)
P0218 Transmission Fluid Over Temperature PCM
P0220 Throttle Position (TP) Sensor 2 Circuit PCM DTC P0220 (4.8L, 5.3L, and 6.0L)
DTC P0220 (8.1L)
P0230 Fuel Pump Relay Control Circuit PCM
P0234 Turbocharger Engine Overboost ECM DTC P0234 (6.6L - LLY)
P0299 Turbocharger Engine Underboost ECM DTC P0299 (6.6L - LLY)
P0300 Engine Misfire Detected ECM, PCM
P0301 Cylinder 1 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0302 Cylinder 2 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0303 Cylinder 3 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0304 Cylinder 4 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0305 Cylinder 5 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0306 Cylinder 6 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0307 Cylinder 7 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0308 Cylinder 8 Misfire Detected ECM DTC P0300 - P0308 (6.6L - LLY)
P0315 Crankshaft Position (CKP) System Variation Not Learned PCM
P0325 Knock Sensor (KS) Circuit PCM
P0327 Knock Sensor (KS) 1 Circuit Low Frequency PCM
P0332 Knock Sensor (KS) 2 Circuit Low Frequency PCM DTC P0327 or P0332 (4.8L, 5.3L, and 6.0L)
DTC P0327 or P0332 (8.1L)
P0335 Crankshaft Position (CKP) Sensor Circuit ECM, PCM
P0336 Crankshaft Position (CKP) Sensor Performance ECM, PCM
Crankshaft Position (CKP) Sensor Circuit PCM DTC P0336 (8.1L)
P0340 Camshaft Position (CMP) Sensor Circuit ECM DTC P0340, P0341 or P0342 (6.6L - LLY)
P0341 Camshaft Position (CMP) Sensor Performance ECM, PCM
P0342 Camshaft Position (CMP) Sensor Circuit Low Voltage PCM DTC P0342 (4.8L, 5.3L, and 6.0L)
DTC P0342 (8.1L)
P0343 Camshaft Position (CMP) Sensor Circuit High Voltage PCM DTC P0343 (4.8L, 5.3L, and 6.0L)
DTC P0343 (8.1L)
P0351 Ignition Coil 1 Control Circuit PCM
P0352 Ignition Coil 2 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0353 Ignition Coil 3 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0354 Ignition Coil 4 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0355 Ignition Coil 5 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0356 Ignition Coil 6 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0357 Ignition Coil 7 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0358 Ignition Coil 8 Control Circuit PCM DTC P0351-P0358 (4.8L, 5.3L, and 6.0L)
DTC P0351-P0358 (8.1L)
P0381 Wait to Start Lamp Control Circuit PCM DTC P0381
P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient ECM DTC P0401 (6.6L - LLY)
P0402 Exhaust Gas Recirculation (EGR) Flow Excessive ECM DTC P0402 (6.6L - LLY)
P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit ECM DTC P0403 (6.6L - LLY)
P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage ECM DTC P0405 (6.6L - LLY)
P0406 Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage ECM DTC P0406 (6.6L - LLY)
P0420 Catalyst System Low Efficiency Bank 1 PCM
P0430 Catalyst System Low Efficiency Bank 2 PCM
P0442 Evaporative Emission (EVAP) System Small Leak Detected PCM
P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit PCM
P0446 Evaporative Emission (EVAP) Vent System Performance PCM
P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit PCM
P0451 Fuel Tank Pressure (FTP) Sensor Performance PCM
P0452 Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage PCM
P0453 Fuel Tank Pressure (FTP) Sensor Circuit High Voltage PCM
P0454 Fuel Tank Pressure (FTP) Sensor Circuit Intermittent PCM
P0455 Evaporative Emission (EVAP) System Large Leak Detected PCM
P0461 Fuel Level Sensor 1 Performance PCM DTC P0461
P0462 Fuel Level Sensor 1 Circuit Low Voltage PCM DTC P0462
P0463 Fuel Level Sensor 1 Circuit High Voltage PCM DTC P0463
P0464 Fuel Level Sensor 1 Circuit Intermittent PCM DTC P0464
P046C Exhaust Gas Recirculation (EGR) Position Sensor Performance ECM DTC P046C (6.6L - LLY)
P0480 Cooling Fan Relay 1 Control Circuit PCM DTC P0480 or P0481
P0481 Cooling Fan Relay 2 Control Circuit PCM DTC P0480 or P0481
P0496 Evaporative Emission (EVAP) System Flow During Non-Purge PCM
P0500 Vehicle Speed Sensor (VSS) Circuit ECM, PCM
P0502 Vehicle Speed Sensor (VSS) Circuit Low Voltage PCM DTC P0502 4L60-E/4L65-E/4L70-E transmission
DTC P0502 4L80-E/4L85-E transmission
P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent PCM DTC P0503 4L60-E/4L65-E/4L70-E transmission
DTC P0503 4L80-E/4L85-E transmission
P0506 Idle Speed Low ECM, PCM
P0507 Idle Speed High ECM, PCM
P0522 Engine Oil Pressure (EOP) Sensor Circuit Low Voltage ECM. PCM DTC P0522
P0523 Engine Oil Pressure (EOP) Sensor Circuit High Voltage ECM, PCM DTC P0523
P0530 Air Conditioning Refrigerant Pressure Sensor Circuit PCM
P0540 Intake Air (IA) Heater Feedback Circuit ECM DTC P0540 (6.6L - LLY)
P0561 System Voltage Performance TCM DTC P0561 Allison transmission
P0562 System Voltage Low PCM DTC P0562
TCM DTC P0562 Allison transmission
P0563 System Voltage High PCM DTC P0563
TCM DTC P0563 Allison transmission
P0567 Cruise Control Resume Switch Circuit ECM, PCM DTC P0567 (4.8L, 5.3L, 6.0L. and 8.1L) or DTC P0567 (6.6L)
P0568 Cruise Control Set Switch Circuit ECM, PCM DTC P0568 (4.8L, 5.3L, 6.0L, and 8.1L) or DTC P0568 (6.6L)
P0571 Cruise Control Brake Switch Circuit ECM, PCM DTC P0571 (4.8L, 5.3L, 6.0L, and 8.1L) or DTC P0571 (6.6L)
P0601 Control Module Read Only Memory (ROM) PCM
P0602 Control Module Not Programmed ECM, PCM
Transmission Control Module Not Programmed TCM DTC P0602 Allison transmission
P0604 Control Module Random Access Memory (RAM) PCM
P0606 Control Module Internal Performance ECM, PCM
P0608 Vehicle Speed Output Circuit PCM DTC P0608
P0609 Vehicle Speed Output Circuit 2 PCM DTC C0235-C0237 or P0609
P060B Control Module Analog to Digital Performance ECM DTC P0601-P0607, P060B, P061C, P062C, P062F or P2610 (6.6L - LLY)
P0613 Transmission Control Module (TCM) Processor TCM DTC P0613 Allison transmission
P0615 Starter Relay Control Circuit PCM DTC P0615
P0616 Starter Relay Control Circuit Low Voltage SGCM DTC P0616, P0617, P2617 or P0725
P0617 Starter Relay Control Circuit High Voltage SGCM DTC P0616, P0617, P2617 or P0725
P061C Control Module Engine Speed Performance ECM DTC P0601-P0607, P060B, P061C, P062C, P062F or P2610 (6.6L - LLY)
P0621 Generator L-Terminal Circuit PCM DTC P0621
P0622 Generator F-Terminal Circuit PCM DTC P0622 (Gas Engine) or DTC P0622 (Diesel Engine)
P062C Control Module Vehicle Speed Performance ECM DTC P0601-P0607, P060B, P061C, P062C, P062F or P2610 (6.6L - LLY)
P062F Control Module Long Term Memory Performance ECM DTC P0601-P0607, P060B, P061C, P062C, P062F or P2610 (6.6L - LLY)
P0634 Transmission Control Module (TCM) Internal Temperature Too High TCM DTC P0634 Allison transmission
P0641 5-Volt Reference 1 Circuit PCM
P0642 5-Volt Reference 1 Circuit Low Voltage ECM DTC P0642 or P0643 (6.6L - LLY)
P0643 5-Volt Reference 1 Circuit High Voltage ECM DTC P0642 or P0643 (6.6L - LLY)
P064C Glow Plug Module Control Performance ECM DTC P064C (6.6L - LLY)
P0650 Malfunction Indicator Lamp (MIL) Control Circuit PCM
P0651 5-Volt Reference 2 Circuit PCM
P0652 5-Volt Reference 2 Circuit Low Voltage ECM DTC P0652 or P0653 (6.6L - LLY)
P0653 5-Volt Reference 2 Circuit High Voltage ECM DTC P0652 or P0653 (6.6L - LLY)
P0654 Engine Speed Output Circuit PCM DTC P0654
P0658 Actuator Supply Voltage 1 Low TCM DTC P0658 Allison transmission
P0659 Actuator Supply Voltage 1 High TCM DTC P0659 Allison transmission
P0671 Glow Plug 1 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0672 Glow Plug 2 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0673 Glow Plug 3 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0674 Glow Plug 4 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0675 Glow Plug 5 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0676 Glow Plug 6 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0677 Glow Plug 7 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0678 Glow Plug 8 Control Circuit ECM DTC P0671-P0678 (6.6L - LLY)
P0698 5-Volt Reference 3 Circuit Low Voltage ECM DTC P0698 or P0699 (6.6L - LLY)
P0699 5-Volt Reference 3 Circuit High Voltage ECM DTC P0698 or P0699 (6.6L - LLY)
P0700 Transmission Control Module (TCM) Requested MIL Illumination ECM, TCM DTC P0700 Allison transmission
DTC P0700 (6.6L - LLY)
P0701 Transmission Control System Performance TCM DTC P0701 Allison transmission
P0703 Brake Switch Circuit TCM DTC P0703 Allison transmission
P0706 Transmission Range (TR) Switch Performance PCM DTC P0706 4L60-E/4L65-E/4L70-E transmission
DTC P0706 4L80-E/4L85-E transmission
Transmission Range Sensor Circuit - PRNDL Input TCM DTC P0706 Allison transmission
P0708 Transmission Range (TR) Switch Circuit High Voltage TCM DTC P0708 Allison transmission
P0711 Transmission Fluid Temperature (TFT) Sensor Performance PCM DTC P0711 (M30/M32) or DTC P0711 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
DTC P0711 4L80-E/4L85-E transmission
TCM DTC P0711 Allison transmission
P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage PCM DTC P0712 (M30/M32) or DTC P0712 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
DTC P0712 4L80-E/4L85-E transmission
TCM DTC P0712 Allison transmission
P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage PCM DTC P0713 (M30/M32) or DTC P0713 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
DTC P0713 4L80-E/4L85-E transmission
TCM DTC P0713 Allison transmission
P0716 Input Speed Sensor Performance PCM DTC P0716 4L80-E/4L85-E transmission
TCM DTC P0716 Allison transmission
P0717 Input Speed Sensor Circuit Low Voltage PCM DTC P0717 4L80-E/4L85-E transmission
TCM DTC P0717 Allison transmission
P0719 Brake Switch Circuit Low Voltage PCM DTC P0719 (M30/M32) or DTC P0719 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
DTC P0719 4L80-E/4L85-E transmission
P0721 Output Speed Sensor Performance TCM DTC P0721 Allison transmission
P0722 Output Speed Sensor Circuit Low Voltage TCM DTC P0722 Allison transmission
P0724 Brake Switch Circuit High Voltage PCM DTC P0724 (M30/M32) or DTC P0724 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
DTC P0724 4L80-E/4L85-E transmission
P0725 Engine Speed Circuit SGCM DTC P0616, P0617, P2617 or P0725
P0726 Engine Speed Circuit Performance TCM DTC P0726 Allison transmission
P0727 Engine Speed No Signal TCM DTC P0727 Allison transmission
P0729 Incorrect 6th Gear Ratio TCM DTC P0729 Allison transmission
P0730 Incorrect Gear Ratio PCM DTC P0730 4L80-E/4L85-E transmission
P0731 Incorrect 1st Gear Ratio TCM DTC P0731 Allison transmission
P0732 Incorrect 2nd Gear Ratio TCM DTC P0732 Allison transmission
P0733 Incorrect 3rd Gear Ratio TCM DTC P0733 Allison transmission
P0734 Incorrect 4th Gear Ratio TCM DTC P0734 Allison transmission
P0735 Incorrect 5th Gear Ratio TCM DTC P0735 Allison transmission
P0736 Incorrect Reverse Ratio TCM DTC P0736 Allison transmission
P0740 Torque Converter Clutch (TCC) Enable Solenoid Control Circuit PCM DTC P0740 4L60-E/4L65-E/4L70-E transmission
P0741 Torque Converter Clutch (TCC) System - Stuck Off PCM, TCM
P0742 Torque Converter Clutch (TCC) System - Stuck On PCM, TCM
P0748 Pressure Control (PC) Solenoid Control Circuit PCM DTC P0748 4L60-E/4L65-E/4L70-E transmission
DTC P0748 4L80-E/4L85-E transmission
P0751 1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear PCM DTC P0751 4L60-E/4L65-E/4L70-E transmission
DTC P0751 4L80-E/4L85-E transmission
Shift Solenoid (SS) 1 Valve Performance - Stuck Off TCM DTC P0751 Allison transmission
P0752 1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear PCM DTC P0752 4L60-E/4L65-E/4L70-E transmission
DTC P0752 4L80-E/4L85-E transmission
Shift Solenoid (SS) 1 Valve Performance - Stuck On TCM DTC P0752 Allison transmission
P0753 1-2 Shift Solenoid (SS) Control Circuit PCM DTC P0753 4L60-E/4L65-E/4L70-E transmission
DTC P0753 4L80-E/4L85-E transmission
P0756 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear PCM DTC P0756 4L60-E/4L65-E/4L70-E transmission
DTC P0756 4L80-E/4L85-E transmission
Shift Solenoid (SS) 2 Valve Performance - Stuck Off TCM DTC P0756 Allison transmission
P0757 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear PCM DTC P0757 4L60-E/4L65-E/4L70-E transmission
DTC P0757 4L80-E/4L85-E transmission
Shift Solenoid (SS) 2 Valve Performance - Stuck On TCM DTC P0757 Allison transmission
P0758 2-3 Shift Solenoid (SS) Control Circuit PCM DTC P0758 4L60-E/4L65-E/4L70-E transmission
DTC P0758 4L80-E/4L85-E transmission
P0761 Shift Solenoid (SS) 3 Valve Performance - Stuck Off TCM DTC P0761 Allison transmission
P0762 Shift Solenoid (SS) 3 Valve Performance - Stuck On TCM DTC P0762 Allison transmission
P0776 Clutch Pressure Control (PC) Solenoid 2 - Stuck Off TCM DTC P0776 Allison transmission
P0777 Clutch Pressure Control (PC) Solenoid 2 - Stuck On TCM DTC P0777 Allison transmission
P0785 3-2 Shift Solenoid (SS) Control Circuit PCM DTC P0785 4L60-E/4L65-E/4L70-E transmission
P0802 Transmission Control Module (TCM) MIL Request Circuit ECM, PCM DTC P0802 (8.1L)
P0826 TAP Up and Down Shift Switch Circuit TCM DTC P0826 Allison transmission
P0827 TAP Up and Down Shift Switch Circuit Low TCM DTC P0827 Allison transmission
P0828 TAP Up and Down Shift Switch Circuit High TCM DTC P0828 Allison transmission
P0833 Clutch Pedal Switch 2 Circuit ECM, PCM
P0842 Pressure Switch C Circuit Low/Stuck Closed TCM DTC P0842 Allison transmission
P0843 Pressure Switch C Circuit High TCM DTC P0843 Allison transmission
P0847 Pressure Switch D Circuit Stuck Closed TCM DTC P0847 Allison transmission
P0848 Pressure Switch D Circuit High TCM DTC P0848 Allison transmission
P0856 Traction Control Torque Request Circuit PCM DTC C0298 or P0856
P0872 Pressure Switch Solenoid E Circuit Low/Stuck Closed TCM DTC P0872 Allison transmission
P0873 Pressure Switch E Circuit High TCM DTC P0873 Allison transmission
P0877 Transmission Pressure Switch 4 Circuit Low TCM DTC P0877 Allison transmission
P0878 Transmission Pressure Switch 4 Circuit High TCM DTC P0878 Allison transmission
P0880 TCM Power Input Signal TCM DTC P0880 Allison transmission
P0881 Transmission Control Module (TCM) Power Input Signal Performance TCM DTC P0881 Allison transmission
P0882 Transmission Control Module (TCM) Power Input Signal Low TCM DTC P0882 Allison transmission
P0883 Transmission Control Module (TCM) Power Input Signal High TCM DTC P0883 Allison transmission
P0894 Transmission Component Slipping PCM DTC P0894 4L60-E/4L65-E/4L70-E transmission
DTC P0894 4L80-E/4L85-E transmission
P0960 Pressure Control Solenoid (PCS) Main Modulation (MAIN MOD) Circuit Open TCM DTC P0960 Allison transmission
P0962 Pressure Control Solenoid (PCS) Main Modulation (MAIN MOD) Circuit Low TCM DTC P0962 Allison transmission
P0963 Pressure Control Solenoid (PCS) Main Modulation (MAIN MOD) Circuit High TCM DTC P0963 Allison transmission
P0964 Pressure Control Solenoid 2 (PCS2) Control Circuit Open (B) TCM DTC P0964 Allison transmission
P0966 Pressure Control Solenoid 2 (PCS2) Control Circuit Low (B) TCM DTC P0966 Allison transmission
P0967 Pressure Control Solenoid 2 (PCS2) Control Circuit High (B) TCM DTC P0967 Allison transmission
P0972 Shift Solenoid 1 (SS1) Control Circuit Open TCM DTC P0972 Allison transmission
P0973 Shift Solenoid 1 (SS1) Control Circuit Low TCM DTC P0973 Allison transmission
P0974 Shift Solenoid 1 (SS1) Control Circuit High TCM DTC P0974 Allison transmission
P0975 Shift Solenoid 2 (SS2) Control Circuit Open TCM DTC P0975 Allison transmission
P0976 Shift Solenoid 2 (SS2) Control Circuit Low TCM DTC P0976 Allison transmission
P0977 Shift Solenoid 2 (SS2) Control Circuit High TCM DTC P0977 Allison transmission
P0978 Shift Solenoid 3 (SS3) Control Circuit Open TCM DTC P0978 Allison transmission
P0979 Shift Solenoid 3 (SS3) Control Circuit Low TCM DTC P0979 Allison transmission
P0980 Shift Solenoid 3 (SS3) Control Circuit High TCM DTC P0980 Allison transmission
P0A0A High Voltage System Interlock Circuit SGCM DTC P0A0A
P0A01 Starter/Generator Control Module Coolant Temperature Sensor 1 Performance SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P0A02 Starter/Generator Control Module Coolant Temperature Sensor 1 Circuit Low Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P0A03 Starter/Generator Control Module Coolant Temperature Sensor 1 Circuit High Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P0A06 Starter/Generator Control Module Coolant Pump Relay Control Circuit Low Voltage SGCM DTC P0A06 or P0A07
P0A07 Starter/Generator Control Module Coolant Pump Relay Control Circuit High Voltage SGCM DTC P0A06 or P0A07
P0A1D Hybrid Control Module System Fault HCM DTC P0A1D
P0A3E Starter/Generator Control Module Overtemperature SGCM DTC P0A3E
P0A27 Hybrid Battery Pack Relay Feedback Circuit ESCM DTC P0A27 or P1A58
P0A7E Hybrid Battery Pack Overtemperature ESCM DTC P0A7E
P0A7F Hybrid Battery Pack Life ESCM DTC P0A7F
P0A82 Hybrid Battery Pack Cooling Fan Stuck Off ESCM DTC P0A82
P0A83 Hybrid Battery Pack Cooling Fan Stuck On ESCM DTC P0A83
P0A88 14-Volt Power Module Current Sensor Circuit Low Current PCM DTC P0A88
P0A89 14-Volt Power Module Current Sensor Circuit High Current PCM DTC P0A89
P0A8B 14-Volt Power Module System Voltage PCM DTC P0A8B
P0A8E 14-Volt Power Module System Voltage High PCM DTC P0A8E
P0A9C Hybrid Battery 1 Temperature Sensor Performance ESCM DTC P0A9C, P0AC6 or P0ACB
P0A9D Hybrid Battery 1 Temperature Sensor Circuit Low Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P0A9E Hybrid Battery 1 Temperature Sensor Circuit High Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P0ABF Hybrid Battery Current Sensor Performance PCM DTC P0ABF or P0AC0
P0AC0 Hybrid Battery Current Sensor Performance PCM DTC P0ABF or P0AC0
P0AC6 Hybrid Battery 2 Temperature Sensor Performance ESCM DTC P0A9C, P0AC6 or P0ACB
P0AC7 Hybrid Battery 2 Temperature Sensor Circuit Low Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P0AC8 Hybrid Battery 2 Temperature Sensor Circuit High Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P0ACB Hybrid Battery 3 Temperature Sensor Performance ESCM DTC P0A9C, P0AC6 or P0ACB
P0ACC Hybrid Battery 3 Temperature Sensor Circuit Low Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P0ACD Hybrid Battery 3 Temperature Sensor Circuit High Voltage ESCM DTC P0A9D, P0A9E, P0AC7, P0AC8, P0ACC or P0ACD
P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage PCM DTC P1121 (4.3L)
P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage PCM DTC P1122 (4.3L)
P1125 Accelerator Pedal Position (APP) System PCM DTC P1125 (4.8L, 5.3L, and 6.0L)
DTC P1125 (8.1L)
P1133 HO2S Insufficient Switching Bank 1 Sensor 1 PCM
P1134 HO2S Transition Time Ratio Bank 1 Sensor 1 PCM
P1153 HO2S Insufficient Switching Bank 2 Sensor 1 PCM
P1154 HO2S Transition Time Ratio Bank 2 Sensor 1 PCM
P1258 Engine Coolant Overtemperature - Protection Mode Active PCM DTC P1258
P1380 Misfire Detected - Rough Road Data Not Available PCM
P1381 Misfire Detected - No Communication With Brake Control Module PCM
P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance PCM DTC P1516 (4.8L, 5.3L, and 6.0L)
DTC P1516 (8.1L)
P1574 Stop Lamp Switch Circuit PCM DTC P1574
P160C Engine Calibration Information Not Programmed--GPCM GPCM DTC P160C (6.6L - LLY)
P1626 Theft Deterrent Fuel Enable Signal Lost PCM DTC P1626
P1631 Theft Deterrent Fuel Enable Signal Not Correct PCM DTC P1631
P1637 Generator L-Terminal Circuit Low Voltage HCM DTC P1637
P1638 Generator F-Terminal Circuit HCM DTC P1638
P1644 Traction Control Delivered Torque Output Circuit PCM DTC C0287, P1644 or P1689
P1688 Unmanaged Engine Torque Signal Delivered to TCM TCM DTC P1688 Allison transmission
P1689 Traction Control Delivered Torque Output Circuit PCM DTC C0287, P1644 or P1689
P1779 Torque Delivered Signal TCM DTC P1779 Allison transmission
P1810 Transmission Fluid Pressure (TFP) Position Switch Circuit PCM DTC P1810 4L60-E/4L65-E/4L70-E transmission
DTC P1810 4L80-E/4L85-E transmission
P1A00 Battery Energy Control Module Reset ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A01 Battery Energy Control Module Long Term Memory Performance ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A02 Battery Energy Control Module Loop Overrun ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A03 Battery Energy Control Module Options Incorrect ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A04 Battery Energy Control Module Programming Read Only Memory (ROM) ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A05 Battery Energy Control Module Random Access Memory (RAM) ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A06 Battery Energy Control Module Read Only Memory (ROM) ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A07 Battery Energy Control Module 5-Volt Reference Circuit ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A08 Battery Energy Control Module Stack Overrun ESCM DTC P1A00, P1A01, P1A02, P1A03, P1A04, P1A05, P1A06, P1A07 or P1A08
P1A10 Hybrid Battery 1 Temperature Sensor Performance ESCM DTC P1A10, P1A13 or P1A16
P1A11 Hybrid Battery 1 Temperature Sensor Circuit Low Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A12 Hybrid Battery 1 Temperature Sensor Circuit High Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A13 Hybrid Battery 2 Temperature Sensor Performance ESCM DTC P1A10, P1A13 or P1A16
P1A14 Hybrid Battery 2 Temperature Sensor Circuit Low Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A15 Hybrid Battery 2 Temperature Sensor Circuit High Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A16 Hybrid Battery 3 Temperature Sensor Performance ESCM DTC P1A10, P1A13 or P1A16
P1A17 Hybrid Battery 3 Temperature Sensor Circuit Low Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A18 Hybrid Battery 3 Temperature Sensor Circuit High Voltage ESCM DTC P1A11, P1A12, P1A14, P1A15, P1A17 or P1A18
P1A22 Hybrid Battery 1 Circuit Low Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A23 Hybrid Battery 1 Circuit High Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A24 Hybrid Battery 1 Voltage PCM DTC P1A24, P1A2B or P1A32
P1A26 Hybrid Battery 1 Voltage Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A27 Hybrid Battery 1 Voltage Very Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A28 Hybrid Battery 1 Voltage High PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A29 Hybrid Battery 2 Circuit Low Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A2A Hybrid Battery 2 Circuit High Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A2B Hybrid Battery 2 Voltage PCM DTC P1A24, P1A2B or P1A32
P1A2D Hybrid Battery 2 Voltage Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A2E Hybrid Battery 2 Voltage Very Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A2F Hybrid Battery 2 Voltage High PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A30 Hybrid Battery 3 Circuit Low Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A31 Hybrid Battery 3 Circuit High Voltage PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A32 Hybrid Battery 3 Voltage PCM DTC P1A24, P1A2B or P1A32
P1A34 Hybrid Battery 3 Voltage Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A35 Hybrid Battery 3 Voltage Very Low PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A36 Hybrid Battery 3 Voltage High PCM DTC P1A22, P1A23, P1A26, P1A27, P1A28, P1A29, P1A2A, P1A2D, P1A2E, P1A2F P1A30, P1A31, P1A34, P1A35 or P1A36
P1A4A Hybrid Battery Current Sensor Circuit PCM DTC P1A4A, P1A4B, P1A4C or P1A4D
P1A4B Hybrid Battery Current Sensor Performance PCM DTC P1A4A, P1A4B, P1A4C or P1A4D
P1A58 Hybrid Battery Pack Relay Open ESCM DTC P0A27 or P1A58
P1A64 Starter/Generator Control Module Reset PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A65 Starter/Generator Control Module Long Term Memory Performance PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A66 Starter/Generator Control Module Loop Overrun PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A67 Starter/Generator Control Module Options Incorrect PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A68 Starter/Generator Control Module Programming Read Only Memory (ROM) PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A69 Starter/Generator Control Module Random Access Memory (RAM) PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A6A Starter/Generator Control Module Read Only Memory (ROM) PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A6B Starter/Generator Control Module 5-Volt Reference Circuit PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A6C Starter/Generator Control Module Service Calibration Fault PCM DTC P1A6C
P1A75 Starter/Generator Control Module Coolant Temperature Sensor 2 Performance SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A76 Starter/Generator Control Module Coolant Temperature Sensor 2 Circuit Low Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A77 Starter/Generator Control Module Coolant Temperature Sensor 2 Circuit High Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A78 Starter/Generator Control Module Coolant Temperature Sensor 3 Performance SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A79 Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit Low Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A7A Starter/Generator Control Module Coolant Temperature Sensor 3 Circuit High Voltage SGCM DTC P0A01, P0A02, P0A03, P1A7A, P1A75, P1A76, P1A77, P1A78 or P1A79
P1A7E Starter/Generator Control Module Overtemperature - High Voltage System Disabled SGCM DTC P1A7E
P1A7F Starter/Generator Control Module Coolant Level Sensor 1 Low Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A80 Starter/Generator Control Module Coolant Level Sensor 1 High Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A81 Starter/Generator Control Module Coolant Level Sensor 2 Low Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A82 Starter/Generator Control Module Coolant Level Sensor 2 High Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A83 Starter/Generator Control Module Coolant Level Sensor 3 Low Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A84 Starter/Generator Control Module Coolant Level Sensor 3 High Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A85 Starter/Generator Control Module Coolant Level Sensor 4 Low Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A86 Starter/Generator Control Module Coolant Level Sensor 4 High Voltage SGCM DTC P1A7F, P1A80, P1A81, P1A82, P1A83, P1A84, P1A85 or P1A86
P1A87 Low Starter/Generator Control Module Coolant Level SGCM DTC P1A87
P1A93 14-Volt Power Module Stuck Off PCM DTC P1A93 or P1A94
P1A94 14-Volt Power Module Stuck On PCM DTC P1A93 or P1A94
P1A95 DC/DC Converter Stuck in 14-42 Volt Direction PCM DTC P1A95 or P1A96
P1A96 DC/DC Converter Stuck in 42-14 Volt Direction PCM DTC P1A95 or P1A96
P1A97 Starter/Generator Control Module Hybrid Battery Voltage Sensor Circuit Low Voltage PCM DTC P1A97, P1A98, P1A99 or P1A9A
P1A98 Starter/Generator Control Module Hybrid Battery Voltage Sensor Circuit High Voltage PCM DTC P1A97, P1A98, P1A99 or P1A9A
P1A99 Starter/Generator Control Module Hybrid Battery Current Sensor Circuit Low Current. PCM DTC P1A97, P1A98, P1A99 or P1A9A
P1AA9 Starter/Generator Control Module Hybrid Battery Current Sensor Circuit High Current PCM DTC P1AA9
P1AAA Starter/Generator Phase W Current Sensor Performance PCM DTC P1AAA
P1AAB Starter/Generator Phase U Circuit PCM DTC P1AAB
P1AAC Starter/Generator Phase V Circuit PCM DTC P1AAC
P1AAD Starter/Generator Phase W Circuit PCM DTC P1AAD
P1AAE Starter/Generator Phase U-V-W Correlation PCM DTC P1AAE
P1AB2 Hybrid System Voltage PCM DTC P1AB2, P1A64, P1A65, P1A66, P1A67, P1A68, P1A69, P1A6A or P1A6B
P1A9A Starter/Generator Control Module Hybrid Battery Current Sensor Circuit Low Current PCM DTC P1A97, P1A98, P1A99 or P1A9A
P1AC0 Starter/Generator Control Module Output Circuit SGCM DTC P1AC0
P1AC1 Starter/Generator Control Module Cooling Fan Relay Control Circuit Low Voltage SGCM DTC P1AC1 or P1AC2
P1AC2 Starter/Generator Control Module Cooling Fan Relay Control Circuit High Voltage SGCM DTC P1AC1 or P1AC2
P1AC9 HCM Service Calibration Fault PCM DTC P1AC9
P2066 Fuel Level Sensor 2 Performance PCM DTC P2066
P2067 Fuel Level Sensor 2 Circuit Low Voltage PCM DTC P2067
P2068 Fuel Level Sensor 2 Circuit High Voltage PCM DTC P2068
P2101 Control Module Throttle Actuator Position Performance PCM DTC P2101 (4.8L, 5.3L, and 6.0L)
DTC P2101 (8.1L)
P2108 Throttle Actuator Control (TAC) Module Performance PCM DTC P2108 (4.8L, 5.3L, and 6.0L)
DTC P2108 (8.1L)
P2120 Accelerator Pedal Position (APP) Sensor 1 Circuit PCM DTC P2120 (4.8L, 5.3L, and 6.0L)
DTC P2120 (8.1L)
P2121 Accelerator Pedal Position (APP) Sensor 1 Performance PCM DTC P2121 (4.8L, 5.3L, and 6.0L)
DTC P2121 (8.1L)
P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage ECM DTC P2122, P2123, P2127, P2128 or P2138 (6.6L - LLY)
P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage ECM DTC P2122, P2123, P2127, P2128 or P2138 (6.6L - LLY)
P2125 Accelerator Pedal Position (APP) Sensor 2 Circuit PCM DTC P2125 (4.8L, 5.3L, and 6.0L)
DTC P2125 (8.1L)
P2127 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage ECM DTC P2122, P2123, P2127, P2128 or P2138 (6.6L - LLY)
P2128 Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage ECM DTC P2122, P2123, P2127, P2128 or P2138 (6.6L - LLY)
P2135 Throttle Position (TP) Sensor 1-2 Correlation PCM DTC P2135 (4.8L, 5.3L, and 6.0L)
DTC P2135 (8.1L)
P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation ECM, PCM
  1. DTC P2138 (4.8L, 5.3L, and 6.0L)
  2. DTC P2122, P2123, P2127, P2128 or P2138 (6.6L - LLY)
  3. DTC P2138 (8.1L)
P2146 Injector Positive Voltage Relay Control Circuit Group 1 ECM DTC P2146, P2149, P2152 or P2155 (6.6L - LLY)
P2149 Injector Positive Voltage Relay Control Circuit Group 2 ECM DTC P2146, P2149, P2152 or P2155 (6.6L - LLY)
P2152 Injector Positive Voltage Control Circuit Group 3 ECM DTC P2146, P2149, P2152 or P2155 (6.6L - LLY)
P2155 Injector Positive Voltage Control Circuit Group 4 ECM DTC P2146, P2149, P2152 or P2155 (6.6L - LLY)
P2199 Intake Air Temperature (IAT) Sensor 1-2 Correlation ECM DTC P2199 (6.6L - LLY)
P2228 Barometric Pressure (BARO) Sensor Circuit Low Voltage ECM DTC P2228 or P2229 (6.6L - LLY)
P2229 Barometric Pressure (BARO) Sensor Circuit High Voltage ECM DTC P2228 or P2229 (6.6L - LLY)
P2510 Engine Control Module Relay Circuit ECM DTC P2510 (6.6L - LLY)
P2563 Turbocharger Vane Control Position Sensor Performance ECM DTC P2563 (6.6L - LLY)
P2564 Turbocharger Vane Control Position Sensor Circuit Low Voltage ECM DTC P2564 or P2565 (6.6L - LLY)
P2565 Turbocharger Vane Control Position Sensor Circuit High Voltage ECM DTC P2564 or P2565 (6.6L - LLY)
P2610 Control Module Ignition Off Timer Performance ECM, PCM
P2617 Crankshaft Position Signal Output Circuit SGCM DTC P0616, P0617, P2617 or P0725
P2636 Fuel Pump 2 Flow Insufficient ECM DTC P2636 (6.6L - LLY)
Fuel Transfer Pump Flow Insufficient PCM DTC P2636 (4.8L, 5.3L, and 6.0L)
DTC P2636 (8.1L)
P2670 Solenoid High Control Circuit Group 2 Low Voltage TCM DTC P2670 Allison transmission
P2671 Solenoid High Control Circuit Group 2 High Voltage TCM DTC P2671 Allison transmission
P268A Fuel Injector Calibration Data Not Programmed ECM, GPCM DTC P268A (6.6L - LLY)
P2723 Pressure Control Solenoid 1 (PCS1) Controlled Clutch Stuck Off TCM DTC P2723 Allison transmission
P2724 Pressure Control Solenoid 1 (PCS1) Controlled Clutch Stuck On TCM DTC P2724 Allison transmission
P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit Open (A) TCM DTC P2727 Allison transmission
P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low (A) TCM DTC P2729 Allison transmission
P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High (A) TCM DTC P2730 Allison transmission
P2761 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit PCM DTC P2761 4L60-E/4L65-E/4L70-E transmission
DTC P2761 4L80-E/4L85-E transmission
TCM DTC P2761 Allison transmission
P2763 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage TCM DTC P2763 Allison transmission
P2764 Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage TCM DTC P2764 Allison transmission
P2771 Four Wheel Drive (4WD) Low Switch Circuit PCM DTC P2771 4L60-E/4L65-E/4L70-E transmission
DTC P2771 4L80-E/4L85-E transmission
TCM DTC P2771 Allison transmission
P2796 Auxiliary Transmission Fluid Pump Relay Control Circuit PCM DTC P2796 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
P2797 Auxiliary Transmission Fluid Pump Performance PCM DTC P2797 (M33 Only) 4L60-E/4L65-E/4L70-E transmission
P2A01 HO2S Performance Bank 1 Sensor 2 PCM
P2A04 HO2S Performance Bank 2 Sensor 2 PCM
U0073 High Speed CAN Communication Bus ECM, TCM DTC U0073
U0100 Lost Communications with Engine Control Module (ECM) TCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0101 Lost Communication With Transmission Control Module (TCM) ECM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0105 Lost Communication With Fuel Injector Control Module (FICM) ECM, TCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0106 Lost Communication With Glow Plug Control Module (GPCM) ECM, TCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0107 Lost Communication with Throttle Actuator Control (TAC) Module PCM DTC U0107 (4.8L, 5.3L, and 6.0L)
DTC U0107 (8.1L)
U0111 Lost Communication With Energy Storage Control Module (ESCM) PCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0120 Lost Communication With Starter/Generator Control Module (SGCM) PCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0131 Lost Communication With Power Steering Control Module (PSCM) PCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0293 Lost Communication With Hybrid Control Module (HCM) PCM DTC U0100-U0299 (Diesel Engine) or DTC U0100-U0299 (HP2)
U0415 Electronic Control Unit Performance EBCM DTC C0035 or U0415
U1000 Class 2 Data Link Malfunction Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, ECM/PCM, GBCM, HVAC Control Module, IPC, PDM, Radio, RWSCM, CDX. RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM DTC U1000
U1016 Lost Communications With ECM/PCM Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, GBCM, HVAC Control Module, IPC, PDM, Radio, RWSCM, SDM, TCM, TCSCM, VCIM DTC U1001-U1254
U1022 Lost Communications With Regulated Voltage Controller (RVC) PCM DTC U1001-U1254
U1023 Lost Communications With Hybrid Module Control (HCM) HVAC Control Module DTC U1001-U1254
U1024 Lost Communications With Transmission Control Module (TCM) BCM, IPC, PCM, RADIO, RWSCM DTC U1001-U1254
U1026 Lost Communications With Transfer Case Shift Control Module (TCSCM) BCM, EBCM, ECM/PCM, IPC, RWSCM, SDM, TCM DTC U1001-U1254
U1041 Lost Communications With Electronic Brake Control Module (EBCM) BCM, DDM, ECM/PCM, SDM, TCM DTC U1001-U1254
U1048 Lost Communications With Rear Wheel Steering Control Module (RWSCM) EBCM, ECM, IPC, PCM DTC U1001-U1254
U1064 Lost Communications With Body Control Module (BCM) DDM, EBCM, ECM/PCM, GBCM, HVAC Control Module, IPC, PDM, Radio, SDM, TCSCM, VCIM DTC U1001-U1254
U1088 Lost Communications With Inflatable Restraint Sensing and Diagnostic Module (SDM) BCM, IPC, VCIM DTC U1001-U1254
U1096 Lost Communications With Instrument Panel Cluster (IPC) BCM, IPC, SDM DTC U1001-U1254
U1128 Lost Communications With Radio Audio Amplifier, CDX, VCIM DTC U1001-U1254
U1129 Lost Communications With Audio Amplifier (AMP) DRR, Radio, VCIM DTC U1001-U1254
U1130 Lost Communications With Remote Playback Device - CD Player (CDX) Audio Amplifier, Radio DTC U1001-U1254
U1137 Lost Communications With Digital Radio Receiver (DRR) Audio Amplifier, BCM, IPC, Radio DTC U1001-U1254
U1151 Lost Communications With Communication Interface Module (OnStar®) Audio Amplifier, BCM, IPC, Radio DTC U1001-U1254
U1152 Lost Communications With HVAC Control Module BCM, GBCM DTC U1001-U1254
U1154 Lost Communications With Rear Seat Entertainment (RSE) Assembly BCM, Radio DTC U1001-U1254
U1160 Lost Communications With Driver Door Module (DDM) BCM, DSM, FPDM DTC U1001-U1254
U1161 Lost Communications With Passenger Door Module (PDM) BCM, DDM, DSM DTC U1001-U1254
U1166 Lost Communications With Memory Seat Module (MSM) BCM, DDM DTC U1001-U1254
U1167 Lost Communications With Rear Seat Audio Controller (RSA) Audio Amplifier, BCM, DRR, IPC, Radio DTC U1001-U1254
U1241 Lost Communication With Scan Tool SDM DTC U1241
U1300 Class 2 Data Link Low DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM DTC U1300, U1301 or U1305
U1301 Class 2 Data Link High DRR, EBCM, ECM/PCM, HVAC Control Module, IPC, Radio, RWSCM, CDX, RSA, RSE, SDM, TCM, Theft Deterrent Control Module, TCSCM, VCIM DTC U1300, U1301 or U1305
U1305 Class 2 Data Link Low or High Audio Amplifier, BCM, DDM, GBCM, PDM, MSM DTC U1300, U1301 or U1305
U1500 Inter-device Dedicated Bus Malfunction OnStar®, VCIM DTC U1500
U1881 Electro-Hydraulic Power Steering (EHPS) Module Lost Communication With Energy Storage Control Module (ESCM) PCM DTC U1881-U1899
U1882 Energy Storage Control Module (ESCM) Lost Communication With Electro-Hydraulic Power Steering (EHPS) Module PCM DTC U1881-U1899
U1883 Hybrid Control Module (HCM) Lost Communication With Driver Door Module (DDM) PCM DTC U1881-U1899
U1884 Hybrid Control Module (HCM) Lost Communication With Passenger Door Module (PDM) PCM DTC U1881-U1899
U1885 Energy Storage Control Module (ESCM) Lost Communication With Hybrid Control Module (HCM) PCM DTC U1881-U1899
U1886 Energy Storage Control Module (ESCM) Lost Communication With Powertrain Control Module (PCM) PCM DTC U1881-U1899
U1887 Energy Storage Control Module (ESCM) Lost Communication With Starter/Generator Control Module (SGCM) PCM DTC U1881-U1899
U1888 Hybrid Control Module (HCM) Lost Communication With Energy Storage Control Module (ESCM) PCM DTC U1881-U1899
U1889 Hybrid Control Module (HCM) Lost Communication With Body Control Module (BCM) PCM DTC U1881-U1899
U1890 Hybrid Control Module (HCM) Lost Communication With HVAC Control Module PCM DTC U1881-U1899
U1891 Hybrid Control Module (HCM) Lost Communication With Instrument Panel Cluster (IPC) PCM DTC U1881-U1899
U1892 Hybrid Control Module (HCM) Lost Communication With Electro-Hydraulic Power Steering (EHPS) Module PCM DTC U1881-U1899
U1893 Hybrid Control Module (HCM) Lost Communication With Powertrain Control Module (PCM) PCM DTC U1881-U1899
U1894 Hybrid Control Module (HCM) Lost Communication With Starter/Generator Control Module (SGCM) PCM DTC U1881-U1899
U1895 Electro-Hydraulic Power Steering Module (EHPS) Lost Communication With Powertrain Control Module (PCM) PCM DTC U1881-U1899
U1896 Electro-Hydraulic Power Steering Module (EHPS) Lost Communication With Starter/Generator Control Module (SGCM) PCM DTC U1881-U1899
U1897 Starter/Generator Control Module (SGCM) Lost Communication With Energy Storage Control Module (ESCM) PCM DTC U1881-U1899
U1898 Starter/Generator Control Module (SGCM) Lost Communication With Hybrid (HCM) Control Module PCM DTC U1881-U1899
U1899 Starter/Generator Control Module (SGCM) Lost Communication With Powertrain Control Module (PCM) PCM DTC U1881-U1899
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