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Diagnostic Trouble Code (DTC) Definitions

WARNING: This page is about a different car, the 1997 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.
ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE DTC DEFINITIONS

DTC Source Module Description
B1342 ABS (1) ECU Defective
B1485 ABS (1) Brake Pedal Input Circuit Short To Battery
B1676 ABS (1) Battery Voltage Out Of Range
C1095 ABS (1) ABS Hydraulic Pump Motor Circuit Failure
C1145 ABS (1) RF Speed Sensor Input Circuit Failure
C1155 ABS (1) LF Speed Sensor Input Circuit Failure
C1165 ABS (1) RR Speed Sensor Input Circuit Failure
C1175 ABS (1) LR Speed Sensor Input Circuit Failure
C1233 ABS (1) LF Wheel Speed Input Signal Missing
C1234 ABS (1) RF Wheel Speed Input Signal Missing
C1235 ABS (1) RR Wheel Speed Input Signal Missing
C1236 ABS (1) LR Wheel Speed Input Signal Missing
U1009 PCM (2) SCP Invalid Or Missing Data For Engine Torque
U1027 PCM (2) SCP Invalid Or Missing Data For Engine RPM
U1042 MC (3) SCP Invalid Or Missing Data For Traction Control
U1059 PCM (2) SCP Invalid Or Missing Data For Transmission PRNDL
(1) See BRAKES - ANTI-LOCK article in BRAKES section for testing procedure.
(2) Testing information is not available from manufacturer.
(3) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
CELLULAR PHONE MODULE (CPM) DTC DEFINITIONS

DTC Source Module Description
B1342 CPM (1) ECU Defective
B1844 CPM (2) Phone Handset Circuit Failure
U1135 SCIL (3) SCP Invalid Or Missing Data For Ignition Switch/Starter
U1235 MC (4) SCP Invalid Or Missing Data For Displays
(1) Record all DTCs. Clear all DTCs. Repeat On-Demand Self-Test on CPM. If DTC B1342 is retrieved, replace CPM.
(2) Problem exists in phone handset circuit.
(3) Check for damaged ignition switch. Replace if damaged. Check fuses No. 26 (20-amp) and 27 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(4) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
DRIVER'S DOOR MODULE (DDM) DTC DEFINITIONS

DTC Source Module Description
B1322 DDM (1) Driver's Door Ajar Circuit Short To Ground
B1342 DDM (2) ECU Is Defective
B1396 DDM (3) Power Door Lock Circuit Short To Voltage
B1514 DDM (4) Driver's Door Handle Circuit Short To Ground
B1525 DDM (3) Keyless Entry Circuit Short To Battery
B1529 DDM (2) Memory Set Switch Circuit Short To Battery
B1539 DDM (2) Mirror Driver Switch Assembly Circuit Failure
B1549 DDM (5) Master Switch Short To Battery Voltage
B1554 DDM (3) Deck Lid Release Circuit Short To Ground
B1676 DDM (3) Battery Voltage Out Of Range
U1041 ABS (6) SCP Invalid Or Missing Data For Vehicle Speed
U1059 PCM (7) SCP Invalid Or Missing Data For Transmission PRNDL
U1117 SCIL (8) SCP Invalid Or Missing Data For Electrical Energy Management
U1135 SCIL (9) SCP Invalid Or Missing Data For Ignition Switch/Starter
U1196 SCIL (10) SCP Invalid Or Missing Data For Door Locks
U1199 SCIL (11) SCP Invalid Or Missing Data For Doors
U1222 SCIL (4) SCP Invalid Or Missing Data For Interior Lights
(1) Check circuit for driver's door ajar switch and door ajar switch. If circuit and switch are okay, replace Driver's Door Module (DDM).
(2) See MIRRORS - POWER MEMORY article for testing procedure.
(3) See KEYLESS ENTRY SYSTEM - REMOTE article for testing procedure.
(4) This in an invalid DTC. DO NOT attempt to perform service procedures for this DTC.
(5) See POWER WINDOWS article for testing procedure.
(6) Check fuses No. 20 (30-amp) and 21 (20-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuse No. 21 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(7) Testing information is not available from manufacturer.
(8) Check for any problems with door glass and regulator. Repair if necessary. Check fuses No. 24 (40-amp) and 28 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuses No. 28 (10-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(9) Check for damaged ignition switch. Replace if damaged. Check fuses No. 26 (20-amp) and 27 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(10) Check fuse No. 12 (15-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If fuse is defective, replace fuse and recheck system operation. If fuse is okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(11) Check fuses No. 1 (10-amp), 5 (10-amp), 26 (15-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
DRIVER'S SEAT MODULE (DSM) DTC DEFINITIONS

DTC Source Module Description
B1342 DSM (1) ECU Is Defective
B1462 DSM (2) Driver Safety Belt Switch Circuit Failure
B1597 DSM (1) Driver Seat Back Auto-Glide Forward Circuit Short To Ground
B1676 DSM (1) Battery Voltage Out Of Range
B1703 DSM (1) Driver Seat Recline Forward Circuit Short To Voltage
B1707 DSM (1) Driver Seat Recline Rearward Circuit Short To Voltage
B1711 DSM (1) Driver Seat Front Up Circuit Short To Voltage
B1715 DSM (1) Driver Seat Front Down Circuit Short To Voltage
B1719 DSM (1) Driver Seat Forward Circuit Short To Voltage
B1723 DSM (1) Driver Seat Rearward Circuit Short To Voltage
B1727 DSM (1) Driver Seat Rear Up Circuit Short To Voltage
B1731 DSM (1) Driver Seat Rear Down Circuit Short To Voltage
B1950 DSM (1) Driver Seat Rear Up/Down Feedback Circuit Failure
B1954 DSM (1) Driver Seat Front Up/Down Feedback Circuit Failure
B1958 DSM (1) Driver Seat Recline Forward/ Backward Feedback Circuit Failure
B1962 DSM (1) Driver Seat Horizontal Forward/ Backward Feedback Circuit Failure
B1986 DSM (1) Driver Seat Auto-Glide Rearward Switch Circuit Failure
B2312 DSM (3) Passenger Mirror Horizontal Feedback Potentiometer Circuit Failure
B2316 DSM (3) Passenger Mirror Vertical Feedback Potentiometer Circuit Failure
B2320 DSM (3) Driver Mirror Horizontal Feedback Potentiometer Circuit Failure
B2324 DSM (3) Driver Mirror Vertical Feedback Potentiometer Circuit Failure
U1059 PCM (4) SCP Invalid Or Missing Data For Transmission PRNDL
U1117 SCIL (5) SCP Invalid Or Missing Data For Electrical Energy Management
U1135 SCIL (6) SCP Invalid Or Missing Data For Ignition Switch/Starter
U1180 DDM (7) SCP Invalid Or Missing Data For Memory Features
U1181 DDM (7) SCP Invalid Or Missing Data For Memory Features
U1194 DDM (7) SCP Invalid Or Missing Data For Mirrors
U1199 DDM/SCIL (8) SCP Invalid Or Missing Data For External Access Doors
(1) See SEATS - POWER article for testing procedure.
(2) Check switch and circuit for driver's safety belt switch. Repair as necessary. If switch and circuit are okay, replace DSM.
(3) See MIRRORS - POWER MEMORY article for testing procedure.
(4) Testing information is not available from manufacturer.
(5) Check for any problems with door glass and regulator. Repair if necessary. Check fuses No. 24 (40-amp) and 28 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuses No. 28 (10-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(6) Check for damaged ignition switch. Replace if damaged. Check fuses No. 26 (20-amp) and 27 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(7) Check fuses No. 19 (30-amp), 24 (40-amp) and 28 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuses No. 4 (10-amp), 28 (10-amp), 30 (10-amp), 34 (15-amp), 35 (10-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(8) Check fuses No. 1 (10-amp), 5 (10-amp), 26 (15-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DTC DEFINITIONS

DTC Source Module Description
B1249 EATC (1) Blend Door Failure
B1251 EATC (1) A/C In Car Temperature Sensor Open Circuit
B1253 EATC (1) A/C In Car Temperature Sensor Short To Ground
B1255 EATC (1) A/C Ambient Temperature Sensor Open Circuit
B1257 EATC (1) A/C Ambient Temperature Sensor Short To Ground
B1261 EATC (1) A/C Solar Radiation Sensor Short To Ground
U1041 ABS (2) SCP Invalid Or Missing Data For Vehicle Speed
U1073 PCM (3) SCP Invalid Or Missing Data For Engine Coolant
U1222 SCIL (4) SCP Invalid Or Missing Data For Interior Lights
U1235 MC (5) SCP Invalid Or Missing Data For Displays
(1) See A/C-HEATER SYSTEM article in AIR CONDITIONING & HEAT section.
(2) Check fuses No. 20 (30-amp) and 21 (20-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuse No. 21 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(3) Proceed to step 80) under CIRCUIT TEST XB in TESTS W/CODES - EEC-V article in ENGINE PERFORMANCE section.
(4) Check fuses No. 1 (10-amp), 5 (10-amp), 26 (15-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(5) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
HYBRID ELECTRONIC INSTRUMENT CLUSTER (HEIC) MODULE DTC DEFINITIONS

DTC Source Module Description
B1342 HEIC (1) ECU Defective
B1676 HEIC (1) Battery Voltage Out Of Range
U1027 PCM (2) SCP Invalid Or Missing Data For Engine RPM
U1041 ABS (3) SCP Invalid Or Missing Data For Vehicle Speed
U1051 ABS (4) SCP Invalid Or Missing Data For Brakes
U1059 PCM (2) SCP Invalid Or Missing Data For Transmission PRNDL
U1073 PCM (5) SCP Invalid Or Missing Data For Engine Coolant
U1123 ABS (3) SCP Invalid Or Missing Data For Odometer
U1131 MC (6) SCP Invalid Or Missing Data For Fuel System
U1136 ABS (3) SCP Invalid Or Missing Data For Telltales
U1222 SCIL (7) SCP Invalid Or Missing Data For Interior Lights
(1) See INSTRUMENT PANEL article for testing procedure.
(2) Check fuses No. 5 (10-amp), 17 (10-amp), 20 (10-amp) and 28 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(3) Check fuses No. 20 (30-amp) and 21 (20-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuse No. 21 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(4) Check for damaged parking brake components. Repair if necessary. Check fuse No. 12 (15-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If fuse is defective, replace fuse and recheck system operation. If fuse is okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(5) Proceed to step 80) under CIRCUIT TEST XB in TESTS W/CODES article in ENGINE PERFORMANCE section.
(6) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(7) Check fuses No. 1 (10-amp), 5 (10-amp), 26 (15-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
MESSAGE CENTER (MC) INDICATOR MODULE DTC DEFINITIONS

DTC Source Module Description
B1201 MC (1) Fuel Sender Circuit Failure
B1204 MC (1) Fuel Sender Circuit Short To Ground
B1205 MC (1) EIC Switch-1 Assembly Circuit Failure
B1208 MC (1) EIC Switch-1 Assembly Circuit Short To Ground
B1209 MC (1) EIC Switch-2 Assembly Circuit Failure
B1212 MC (1) EIC Switch-2 Assembly Circuit Short To Ground
B1342 MC (1) ECU Defective
B1389 MC (1) Oil Temperature Sensor Circuit Failure
B1390 MC (1) Oil Temperature Sensor Circuit Short To Ground
B1676 MC (1) Battery Voltage Out Of Range
U1027 PCM (2) SCP Invalid Or Missing Data For Engine RPM
U1043 ABS (3) SCP Invalid Or Missing Data For Traction Control
U1051 ABS (3) SCP Invalid Or Missing Data For Brakes
U1059 HEIC Or PCM (4) SCP Invalid Or Missing Data For Transmission PRNDL
U1073 HEIC (4) SCP Invalid Or Missing Data For Engine Coolant
U1123 ABS (3) SCP Invalid Or Missing Data For Odometer
U1135 SCIL (5) SCP Invalid Or Missing Data For Ignition Switch/Starter
U1136 PCM (6) SCP Invalid Or Missing Data For Telltales
U1180 DDM (7) SCP Invalid Or Missing Data For Memory Features
U1181 DDM (7) SCP Invalid Or Missing Data For Memory Features
U1199 SCIL (8) SCP Invalid Or Missing Data For External Access Doors
U1211 SCIL (9) SCP Invalid Or Missing Data For Restraints
U1217 SCIL (10) SCP Invalid Or Missing Data For External Lights
U1218 SCIL (10) SCP Invalid Or Missing Data For External Lights
U1222 SCIL (8) SCP Invalid Or Missing Data For Interior Lights
U1430 PCM (6) SCP Invalid Or Missing Data For Function Read Fuel System
U2013 MC (11) Compass Module Not Responding
(1) See WIRING DIAGRAM in INSTRUMENT PANEL article.
(2) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(3) Check fuses No. 20 (30-amp) and 21 (20-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuse No. 21 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(4) Check fuses No. 5 (10-amp), 17 (10-amp), 20 (10-amp) and 28 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(5) Check for damaged ignition switch. Replace if damaged. Check fuses No. 26 (20-amp) and 27 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(6) Testing information is not available from manufacturer.
(7) Check fuses No. 19 (30-amp), 24 (40-amp) and 28 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. Check fuses No. 4 (10-amp), 28 (10-amp), 30 (10-amp), 34 (15-amp), 35 (10-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(8) Check fuses No. 1 (10-amp), 5 (10-amp), 26 (15-amp) and 41 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(9) Check fuses 5 (10-amp) and 28 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(10) Check fuses No. 1 (10-amp), 7 (15-amp), 12 (15-amp), 13 (15-amp), 19 (10-amp), 25 (10-amp), 26 (15-amp) and 31 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. Check fuse No. 2 (15-amp) in engine compartment fuse box located at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(11) Check fuse 4 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
POWERTRAIN CONTROL MODULE (PCM) DTC DEFINITIONS

DTC Source Module Description
Any DTC With "P" Prefix PCM (1)
U1020 EATC (2) SCP Invalid Or Missing Data For A/C Clutch
U1021 VLCM (2) SCP Invalid Or Missing Data For A/C Clutch
U1051 SCIL (3) SCP Invalid Or Missing Data For Brakes
U1073 VLCM (4) SCP Invalid Or Missing Data For Engine Coolant
U1135 SCIL (5) SCP Invalid Or Missing Data For Ignition Switch/Starter
U1451 SCIL (6) SCP Invalid Or Missing Data For Function Read Audible Warnings
(1) For testing procedure on any DTC starting with the prefix of "P", such as P0102, see TESTS W/CODES - EEC-V article in ENGINE PERFORMANCE.
(2) Check for defective A/C compressor drive belt, disconnected A/C clutch or discharged A/C system. Repair as necessary. Check fuses No. 9 (10-amp), 20 (10-amp) and 34 (15-amp) in fuse panel at driver's side end of instrument panel, near door opening. Check fuses No. 23 (40-amp) and 29 (40-amp) in engine compartment fuse box located at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(3) Check fuses No. 1 (10-amp), 7 (15-amp), 12 (15-amp), 13 (15-amp), 19 (10-amp), 25 (10-amp), 26 (15-amp) and 31 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. Check fuse No. 2 (15-amp) in engine compartment fuse box located at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(4) Check fuses No. 4 (10-amp) and 20 (10-amp) in fuse panel at driver's side end of instrument panel, near door opening. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(5) Check for damaged ignition switch. Replace if damaged. Check fuses No. 26 (20-amp) and 27 (30-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If any fuse is defective, replace fuse and recheck system operation. If fuses are okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
(6) Check fuse No. 12 (15-amp) in engine compartment fuse box at driver's side of engine compartment, near spring tower. If fuse is defective, replace fuse and recheck system operation. If fuse is okay, use scan tester and check for continuous DTCs. Perform necessary tests for any DTCs.
PASSENGER'S SEAT MODULE (PSM) DTC DEFINITIONS

DTC Source Module Description
B1248 PSM (1) Passenger Seat Auto-Glide Rearward Switch Open
B1342 PSM (1) ECU Defective
B1360 PSM (1) Ignition Switch RUN/ACC Circuit Open
B1463 PSM (2) Passenger's Safety Belt Switch Circuit Open
B1565 PSM (1) Door Ajar Signal Short To Voltage
B1599 PSM (1) Passenger Seat Back Auto-Glide Forward Circuit Short To Ground
B1676 PSM (1) Battery Voltage Out Of Range
B1962 PSM (1) Passenger Seat Horizontal Forward/ Backward Feedback Circuit Failure
B1972 PSM (1) Passenger Seat Rear Up Switch Short To Voltage
B1973 PSM (1) Passenger Seat Rear Down Switch Short To Voltage
B1974 PSM (1) Passenger Seat Recline Forward Switch Short To Voltage
B1975 PSM (1) Passenger Seat Recline Rearward Switch Short To Voltage
B1976 PSM (1) Passenger Seat Forward Switch Short To Voltage
B1977 PSM (1) Passenger Seat Front Up Switch Short To Voltage
B1978 PSM (1) Passenger Seat Front Down Switch Short To Voltage
B1979 PSM (1) Passenger Seat Rearward Switch Short To Voltage
(1) See SEATS - POWER article for testing procedure.
(2) This in an invalid DTC. DO NOT attempt to perform service procedures for this DTC.
STEERING COLUMN/IGNITION/LIGHTING (SCIL) MODULE DTC DEFINITIONS

DTC Source Module (1) Description
C1446 SCIL Brake Switch Circuit Failure
B1246 SCIL Panel Dim Potentiometer Switch Circuit Failure
B1312 SCIL Headlight Input Circuit Short To Battery
B1334 SCIL Luggage Compartment Door Ajar Circuit Short To Ground
B1342 SCIL ECU Defective
B1353 SCIL Ignition Key-In Circuit Open
B1360 SCIL Ignition RUN/ACC Circuit Open
B1364 SCIL Ignition START Circuit Open
B1446 SCIL Wiper Park Sensor Circuit Failure
B1490 SCIL Door Handle Right Front Short To Ground
B1498 SCIL Luggage Compartment Door Punch Out Sensor Shorted To Ground
B1509 SCIL Flash-To-Pass Switch Circuit Short To Battery
B1522 SCIL Hood Switch Circuit Short To Ground
B1562 SCIL Door Lock Cylinder Short To Ground
B1566 SCIL Door Ajar Circuit Short To Ground
B1600 SCIL PATS Ignition Key Transponder Signal Is Not Received
B1601 SCIL PATS Received Incorrect Ignition Key Code From Ignition Key Transponder
B1676 SCIL Battery Voltage Out Of Range
B1682 SCIL PATS Is Disabled
B1687 SCIL Dome Light Input Circuit Short To Battery
B1689 SCIL Autolamp Delay Circuit Failure
B1796 SCIL Headlight Low Beam Circuit Short To Battery
B1875 SCIL Turn Signal/Hazard Switch Signal Circuit Failure
B1980 SCIL Bulb Outage Condition Detected
B2328 SCIL Steering Column Reach Feedback Potentiometer Circuit Failure
B2332 SCIL Steering Column Tilt Feedback Potentiometer Circuit Failure
B2351 SCIL Steering Column Switch Signal Circuit Failure
U1027 PCM SCP Invalid Or Missing Data For Engine RPM
U1041 ABS SCP Invalid Or Missing Data For Vehicle Speed
U1057 SCIL SCP Invalid Or Missing Data For Vehicle Configuration
U1059 PCM SCP Invalid Or Missing Data For Transmission PRNDL
U1123 ABS SCP Invalid Or Missing Data For Odometer
U1147 PCM SCP Invalid Or Missing Data For Vehicle Security
U1180 DDM SCP Invalid Or Missing Data For Memory Features
U1181 DDM SCP Invalid Or Missing Data For Memory Features
U1197 DDM SCP Invalid Or Missing Data For Door Locks
U1198 DDM SCP Invalid Or Missing Data For External Access Doors
U1199 DDM SCP Invalid Or Missing Data For External Access Doors
U1211 DSM SCP Invalid Or Missing Data For Restraints
U1222 DDM SCP Invalid Or Missing Data For Internal Lights
(1) See ANTI-THEFT SYSTEM - PASSIVE article for testing procedures.
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