Diagnostic Trouble Code (DTC) Definitions

CELLULAR PHONE MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1342

CPM

⁽¹⁾ Control Module defective

B1844

CPM

⁽¹⁾ Handset Button Circuit Failure

B1874

CPM

⁽¹⁾ No Handset Detected

U1135

LCM

⁽²⁾ Ignition Switch Signal Missing

U1235

VIC

⁽²⁾ Display Access Signal Missing

⁽¹⁾	Testing procedure not available.

⁽²⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

ANTI-LOCK BRAKE MODULE (DTC) DEFINITIONS

DTC

Source Module

Description

C1095

ABS

⁽¹⁾ Hydraulic Pump Motor Failure

C1145

ABS

⁽¹⁾ RF Speed Sensor - Input Ckt. Failure

C1148

ABS

⁽¹⁾ RF Speed Sensor - Coherency Fault

C1155

ABS

⁽¹⁾ LF Speed Sensor - Input Ckt. Failure

C1158

ABS

⁽¹⁾ LF Speed Sensor - Coherency Fault

C1165

ABS

⁽¹⁾ RR Speed Sensor - Input Circuit Failure

C1168

ABS

⁽¹⁾ RR Speed Sensor - Coherency Fault

C1175

ABS

⁽¹⁾ LR Speed Sensor - Input Ckt. Failure

C1178

ABS

⁽¹⁾ LR Speed Sensor - Coherency Fault

C1194

ABS

⁽¹⁾ LF Dump Valve Coil - Circuit Failure

C1198

ABS

⁽¹⁾ LF Inlet Valve Coil - Ckt. Failure

C1210

ABS

⁽¹⁾ RF Dump Valve Coil - Ckt. Failure

C1214

ABS

⁽¹⁾ RF Inlet Valve Coil - Ckt. 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

C1242

ABS

⁽¹⁾ LR Dump Valve Coil - Circuit Failure

C1246

ABS

⁽¹⁾ RR Dump Valve Coil - Ckt. Failure

C1250

ABS

⁽¹⁾ LR Inlet Valve Coil - Ckt. Failure

C1254

ABS

⁽¹⁾ RR Inlet Valve Coil - Ckt. Failure

C1258

ABS

⁽¹⁾ LF Wheel Speed - Signal Mismatch

C1259

ABS

⁽¹⁾ RF Wheel Speed - Signal Mismatch

C1260

ABS

⁽¹⁾ RR Wheel Speed - Signal Mismatch

C1261

ABS

⁽¹⁾ LR Wheel Speed - Signal Mismatch

C1267

ABS

⁽¹⁾ ABS Function Disabled Temporarily

C1400

ABS

⁽¹⁾ RF Traction Control Valve - Circuit Failure

C1410

ABS

⁽¹⁾ LF Traction Control Valve - Circuit Failure

B1317

ABS

⁽¹⁾ Battery Voltage High

B1342

ABS

⁽¹⁾ ECU Defective

U1019

PCM

⁽²⁾ Primary Throttle Position Signal Not Received

U1023

PCM

⁽²⁾ Engine RPM Signal Not Received

U1051

LCM

⁽³⁾ Brake Switch Signal Missing Or Not Valid

U1059

PCM

⁽²⁾ Transmission Actual Gear Position Signal Missing

U1308

PCM

⁽²⁾ Actual Torque Generated Signal Missing

U1612

PCM

⁽²⁾ Desired Axle Torque Limit Signal Not Acknowledged

⁽¹⁾	See BRAKE SYSTEM - ANTI-LOCK article in the BRAKES section for testing procedure.

⁽²⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

⁽³⁾	See testing procedure for DTC B1485, in LAMP CONTROL SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.

FRONT CONTROL UNIT DTC DEFINITIONS

DTC

Source Module

Description

B1342

FCU

⁽¹⁾ Control Module Defective

U1180

DDM

⁽²⁾ Invalid Memory Setting Signal

U1181

DDM

⁽³⁾ Memory Setting Signal Missing

U1234

LCM

⁽³⁾ Backlight Dimming Signal Missing

U1750

LCM

⁽³⁾ Chime/Tone Signal Not Acknowledged

U1834

VIC

⁽³⁾ Memory Setting Display Signal Not Acknowledged

U2000

FCU

⁽¹⁾ RCU Not Responding

U2001

FCU

⁽¹⁾ Tape Unit Not Responding

U2002

FCU

⁽¹⁾ Bezel Not Responding

U2003

FCU

⁽¹⁾ CD/DJ Not Responding

U2004

FCU

⁽¹⁾ Steering Wheel Audio Control Not Responding

U2005

FCU

⁽¹⁾ Remote Audio Control Panel Not Responding

U2006

FCU

⁽¹⁾ Rear Audio Control Console Not Responding

U2007

FCU

⁽¹⁾ Audio Navigation Unit Not Responding

⁽¹⁾	Testing procedure not available.

⁽²⁾	See testing procedures for DTC's B1529, B1533 and B1537 in MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽³⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

DRIVER DOOR MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1319

DDM

⁽¹⁾ Driver Door Ajar - Short-To-Ground

B1396

DDM

⁽¹⁾ Power Door Lock - Short-To-Power

B1514

DDM

⁽¹⁾ Driver Door Handle Switch - Short-To-Power

B1525

DDM

⁽¹⁾⁽²⁾ Keyless Entry - Short-To-Power

B1529

DDM

⁽²⁾ Memory Set Switch - Short-To-Power

B1533

DDM

⁽²⁾ Memory 1 Switch - Short-To-Power

B1537

DDM

⁽²⁾ Memory 2 Switch - Short-To-Power

B1541

DDM

⁽²⁾ Driver Mirror Switch - Short-To-Power

B1545

DDM

⁽³⁾ Seat Direction Sw. - Short-To-Power

B1549

DDM

⁽⁴⁾ Master Power Window - Short-To-Power

B1553

DDM

⁽¹⁾ Decklid Release - Short-To-Power

B1667

DDM

⁽²⁾ Driver Mirror - Up/Down Circuit Failure

B1668

DDM

⁽²⁾ Driver Mirror - Left/Right Circuit Failure

B1669

DDM

⁽²⁾ Passenger Mirror - Up/Down Circuit Failure

B1670

DDM

⁽²⁾ Passenger Mirror - Left/Right Circuit Failure

B1342

DDM

⁽¹⁾ Control Module Defective

U1029

ABS

⁽⁵⁾ Vehicle Speed Low Resolution Signal Not Received

U1067

PCM

⁽⁶⁾ Transmission Range Signal Missing

U1135

LCM

⁽⁶⁾ Ignition Switch Position Signal Missing

U1206

LCM

⁽⁶⁾ Invalid Illuminated Entry Signal

U1213

LCM

⁽⁶⁾ Driver Seat Occupied Signal Missing or Invalid

U1738

LCM

⁽⁶⁾ Horn Chirp/Panic Alarm Signal Not Acknowledged

U1794

DSM

⁽⁶⁾ Mirror Switch Signal Not Acknowledged

U1798

LCM

⁽⁶⁾ Trunklid Release Signal Not Acknowledged

U1806

LCM

⁽⁶⁾ Illuminated Entry Signal Not Acknowledged

U1812

DSM

⁽⁶⁾ Seat Motion signal Not Acknowledged

⁽¹⁾	See DOOR LOCKS & TRUNK RELEASE - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽²⁾	See MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽³⁾	See SEATS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽⁴⁾	See WINDOWS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽⁵⁾	See testing procedures for DTC's C1145, C1155, C1165 and C1175 in BRAKE SYSTEM - ANTI-LOCK article in the BRAKES section.

⁽⁶⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

DRIVER SEAT MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1663

DSM

⁽¹⁾ Driver Seat - Front Up/Down Circuit Failure

B1664

DSM

⁽¹⁾ Driver Seat - Rear Up/Down Circuit Failure

B1665

DSM

⁽¹⁾ Driver Seat - FWRD/RWRD Circuit Failure

B1666

DSM

⁽¹⁾ Driver Seat - Recline Circuit Failure

B1952

DSM

⁽¹⁾ Rear Seat Up/Down Feedback Circuit - Short-To-Power

B1953

DSM

⁽¹⁾ Rear Seat Up/Down Feedback Circuit - Short-To-Ground

B1956

DSM

⁽¹⁾ Front Seat Up/Down Feedback Circuit - Short-To-Power

B1952

DSM

⁽¹⁾ Front Seat Up/Down Feedback Circuit - Short-To-Ground

B1960

DSM

⁽¹⁾ Seat Recline FWRD/RWRD Feedback Circuit - Short-To-Power

B1961

DSM

⁽¹⁾ Seat Recline FWRD/RWRD Feedback Circuit - Short-To-Ground

B1964

DSM

⁽¹⁾ Seat Horizontal FWRD/RWRD Feedback - Short-To-Power

B1965

DSM

⁽¹⁾ Seat Horizontal FWRD/RWRD Feedback - Short-To-Ground

B1342

DSM

⁽¹⁾ Control Module Defective

U1067

PCM

⁽²⁾ Transmission Range Signal Missing

U1135

LCM

⁽²⁾ Ignition Sw. Position Sgnl. Missing

U1180

DDM

⁽³⁾ Invalid Memory Setting Signal

U1194

DDM

⁽⁴⁾ Invalid Mirror Switch Signal

U1199

DDM

⁽²⁾ Door Ajar Signal Missing

U1212

DDM

⁽⁵⁾ Driver Seat Switch Signal Missing

U1213

DDM

⁽⁵⁾ Driver Seat Occupied Signal Missing

U1237

VIC

⁽²⁾ Memory Setting Status Signal Missing

⁽¹⁾	See SEATS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽²⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

⁽³⁾	See testing procedures for DTC's B1529, B1533, and B1537 in MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁴⁾	See testing procedure for DTC B1541 in MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁵⁾	See testing procedure for DTC B1544 in SEATS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1249

EATC

Blend Door Failure

B1251

EATC

⁽¹⁾ In Car Temperature Sensor - Open Circuit

B1253

EATC

⁽¹⁾ In Car Temperature Sensor - Short-To-Ground

B1255

EATC

⁽¹⁾ Ambient Temperature Sensor Open Circuit

B1257

EATC

⁽¹⁾ Ambient Temperature Sensor Short-To-Ground

B1260

EATC

⁽¹⁾ Solar Radiation Sensor - Short-To-Power

B1261

EATC

⁽¹⁾ Solar Radiation Sensor - Short-To-Ground

B1342

EATC

⁽¹⁾ Control Module Defective

U1073

PCM

⁽²⁾ Engine Coolant Temperature Sensor Signal Missing

U1234

LCM

⁽²⁾ Backlight Dimming Signal Missing

U1235

VIC

⁽²⁾ Display Access Signal Missing

U1341

PCM

⁽²⁾ Vehicle Speed Low Resolution Signal Missing

⁽¹⁾	See A/C-HEATER SYSTEM article in the AIR CONDITIONING & HEAT section for test procedure.

⁽²⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

VIRTUAL INSTRUMENT CLUSTER MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1201

VIC

⁽¹⁾ Fuel Sender - Circuit Failure

B1204

VIC

⁽¹⁾ Fuel Sender - Short To Ground

B1205

VIC

⁽²⁾ EIC Switch Bank No. 1 - Circuit Failure

B1208

VIC

⁽²⁾ EIC Switch Bank No. 1 - Short To Ground

B1209

VIC

⁽²⁾ EIC Switch Bank No. 2 - Circuit Failure

B1212

VIC

⁽²⁾ EIC Switch Bank No. 2 - Short To Ground

B1342

VIC

⁽¹⁾ Control Module Defective

U1023

PCM

⁽³⁾ Engine RPM Signal Not Received

U1039

ABS

⁽⁴⁾ Vehicle Speed High Resolution Signal Missing

U1073

PCM

⁽³⁾ Engine Coolant Temperature Signal Missing

U1123

ABS

⁽⁴⁾ Odometer Signal Missing

U1136

ABS

⁽³⁾ Integrated Chassis Warning Signal Missing

U1136

VDM

⁽³⁾ Integrated Chassis Warning Signal Missing

U1180

DDM

⁽⁵⁾ Memory Setting Signal Received Invalid

U1181

DDM

⁽³⁾ Memory Setting Signal Missing

U1199

LCM

⁽³⁾ Door Ajar Signal Missing

U1199

DDM

⁽³⁾ Door Ajar Signal Missing

U1201

LCM

⁽³⁾ Brake Lamp/Turn Signal/Headlamp/Tail Lamp - Signal Missing

U1203

LCM

⁽⁶⁾ Autolamp Delay Time Signal Missing

U1234

LCM

⁽⁷⁾ Backlight Dimming Signal Missing

U1236

LCM

⁽³⁾ Memory Setting Storage Signal Received Invalid

U1236

DSM

⁽³⁾ Memory Setting Storage Signal Received Invalid

U1430

PCM

⁽⁸⁾ Fuel Flow Signal Missing

U1750

LCM

⁽³⁾ Chime/Tone Signal Not Acknowledged

⁽¹⁾	See PINPOINT TEST B in INSTRUMENT PANEL - ELECTRONIC article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽²⁾	See PINPOINT TEST A in INSTRUMENT PANEL - ELECTRONIC article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽³⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

⁽⁴⁾	See testing procedures for DTC's C1145, C1155, C1165 and C1175 in BRAKE SYSTEM - ANTI-LOCK article in the BRAKES section.

⁽⁵⁾	See testing procedures for DTC's B1529, B1533 and B1537 in MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁶⁾	See testing procedures for DTC's B1590 and B1594 in appropriate LAMP CONTROL SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁷⁾	Testing procedure not available.

⁽⁸⁾	See TESTS W/CODES - EEC-V article in the ENGINE PERFORMANCE section for testing procedure.

LIGHTING CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1312

LCM

⁽¹⁾ Headlight Input - Short-To-Power

B1317

LCM

⁽²⁾ Battery Voltage High

B1318

LCM

⁽²⁾ Battery Voltage Low

B1334

LCM

⁽³⁾ Decklid Ajar Signal - Short-To-Ground

B1352

LCM

⁽²⁾ Ignition Key Inserted - Circuit Failure

B1462

LCM

⁽²⁾ Seat Belt Switch Circuit Failure

B1464

LCM

⁽²⁾ Seat Belt Switch Circuit - Short-To-Power

B1483

LCM

⁽¹⁾ Brake Pedal Input Circuit Failure

B1485

LCM

⁽¹⁾ Brake Pedal Input Circuit Failure

B1490

LCM

⁽¹⁾ RF Door Handle Circuit - Short-To-Ground

B1491

LCM

⁽¹⁾ Ignition Cylinder Circuit Failure

B1498

LCM

⁽³⁾ Decklid Punch Out - Short-To-Ground

B1501

LCM

⁽¹⁾ Left Turn Signal - Short-To-Power

B1505

LCM

⁽¹⁾ Right Turn Signal - Short-To-Power

B1509

LCM

⁽¹⁾ Flash-To-Pass - Short-To-Power

B1514

LCM

⁽²⁾ LF Door Handle Switch - Short-To-Ground

B1515

LCM

⁽⁴⁾ Driver Seat Occupied Switch - Circuit Failure

B1522

LCM

⁽³⁾ Hood Switch - Short-To-Ground

B1562

LCM

⁽³⁾ Door Lock Cylinder - Short-To-Ground

B1566

LCM

⁽³⁾ Door Ajar - Short-To-Ground

B1569

LCM

⁽¹⁾ High Beam - Short-To-Power

B1577

LCM

⁽¹⁾ Park Lamp Input - Short-To-Power

B1582

LCM

⁽²⁾ Dimmer Increase - Short-To-Ground

B1586

LCM

⁽²⁾ Dimmer Decrease - Short-To-Ground

B1590

LCM

⁽¹⁾ Autolamp Delay Increase - Short-To-Power

B1594

LCM

⁽¹⁾ Autolamp Delay Decrease - Short-To-Power

B1795

LCM

⁽¹⁾ Low Beam - Open Circuit

B1799

LCM

⁽¹⁾ Front Turn Signal - Open Circuit

B1803

LCM

⁽¹⁾ Rear Turn Signal - Open Circuit

B1807

LCM

⁽¹⁾ Tail Lamp - Open Circuit

B1342

LCM

⁽¹⁾ Control Unit Defective

U1029

ABS

⁽⁵⁾ Vehicle Speed Low Resolution Signal Not Received

U1057

PCM

⁽⁶⁾ Powertrain Country Code Signal Missing

U1067

PCM

⁽⁶⁾ Transmission Range Signal Missing

U1123

ABS

⁽⁵⁾ Odometer Signal Missing

U1180

DDM

⁽⁷⁾ Invalid Memory Setting Signal

U1197

DDM

⁽⁸⁾ Invalid Driver Door Lock Signal

U1198

DDM

⁽⁸⁾ Invalid Trunk lid Release Signal

U1199

DDM

⁽⁶⁾ Door Ajar Signal Missing

U1206

DDM

⁽²⁾ Invalid Illuminated Entry Signal

U1237

VIC

⁽⁶⁾ Memory Setting Status Signal Missing

U1806

DDM

⁽⁶⁾ Illuminated Entry Signal Not Acknowledged

⁽¹⁾	See LAMP CONTROL SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽²⁾	Testing procedure not available.

⁽³⁾	See ANTI-THEFT SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽⁴⁾	See SEATS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽⁵⁾	See testing procedures for DTC's C1145, C1155, C1165 and C1175 in BRAKE SYSTEM - ANTI-LOCK article in the BRAKES section.

⁽⁶⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short.See COMMUNICATION NETWORK DIAGNOSTICS in this article.

⁽⁷⁾	See testing procedures for DTC's B1529, B1533 and B1537 in MIRRORS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁸⁾	See testing procedures for DTC B1396 or B1553 in appropriate DOOR LOCKS & TRUNK RELEASE - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section.

VEHICLE DYNAMICS CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

B1317

VDM

⁽¹⁾⁽²⁾ Battery Voltage High

B1318

VDM

⁽¹⁾⁽²⁾ Battery Voltage Low

B1342

VDM

⁽¹⁾⁽²⁾ Control Module Failure

C1722

VDM

⁽²⁾ Height Sensor Power - Short-To-Power

C1723

VDM

⁽²⁾ Height Sensor Power - Short-To-Ground

C1724

VDM

⁽²⁾ Height Sensor Power - Circuit Failure

C1731

VDM

⁽²⁾ LF Corner Up Timeout

C1732

VDM

⁽²⁾ LF Corner Down Timeout

C1733

VDM

⁽²⁾ RF Corner Up Timeout

C1734

VDM

⁽²⁾ RF Corner Down Timeout

C1735

VDM

⁽²⁾ LR Corner Up Timeout

C1736

VDM

⁽²⁾ LR Corner Down Timeout

C1737

VDM

⁽²⁾ RR Corner Up Timeout

C1738

VDM

⁽²⁾ RR Corner Down Timeout

C1770

VDM

⁽²⁾ Vent Solenoid Circuit Failure

C1773

VDM

⁽²⁾ Vent Solenoid - Short-To-Ground

C1790

VDM

⁽²⁾ LR Air Spring Solenoid - Circuit Failure

C1793

VDM

⁽²⁾ LR Air Spring Solenoid - Short-To-Ground

C1795

VDM

⁽²⁾ RR Air Spring Solenoid - Circuit Failure

C1798

VDM

⁽²⁾ RR Air Spring Solenoid - Short-To-Ground

C1820

VDM

⁽²⁾ Compressor Thermal Timeout Exceeded

C1840

VDM

⁽²⁾ Disable Switch - Circuit Failure

C1842

VDM

⁽²⁾ Disable Switch - Short-To-Power

C1843

VDM

⁽²⁾ Disable Switch - Short-To-Ground

C1873

VDM

⁽²⁾ RF Air Spring Solenoid - Circuit Failure

C1876

VDM

⁽²⁾ RF Air Spring Solenoid - Short-To-Ground

C1877

VDM

⁽²⁾ LF Air Spring Solenoid - Circuit Failure

C1880

VDM

⁽²⁾ LR Air Spring Solenoid - Short-To-Ground

C1882

VDM

⁽²⁾ RF Height Sensor - Open Circuit

C1883

VDM

⁽²⁾ RF Height Sensor - Short-To-Power

C1884

VDM

⁽²⁾ RF Height Sensor - Short-To-Ground

C1886

VDM

⁽²⁾ RR Height Sensor - Open Circuit

C1887

VDM

⁽²⁾ RR Height Sensor - Short-To-Power

C1888

VDM

⁽²⁾ RR Height Sensor - Short-To-Ground

C1890

VDM

⁽²⁾ LF Height Sensor - Open Circuit

C1891

VDM

⁽²⁾ LF Height Sensor - Short-To-Power

C1892

VDM

⁽²⁾ LF Height Sensor - Short-To-Ground

C1894

VDM

⁽²⁾ LR Height Sensor - Open Circuit

C1895

VDM

⁽²⁾ LR Height Sensor - Short-To-Power

C1896

VDM

⁽²⁾ LR Height Sensor - Short-To-Ground

C1898

VDM

⁽¹⁾⁽²⁾ VAPSI - Circuit Loop Open

C1901

VDM

⁽²⁾ RR Shock Actuator - Circuit Failure

C1904

VDM

⁽²⁾ RR Shock Actuator - Short-To-Ground

C1905

VDM

⁽²⁾ LR Shock Actuator - Circuit Failure

C1908

VDM

⁽²⁾ LR Shock Actuator - Short-To-Ground

C1909

VDM

⁽²⁾ RF Shock Actuator - Circuit Failure

C1912

VDM

⁽²⁾ RF Shock Actuator - Short-To-Ground

C1913

VDM

⁽²⁾ LF Shock Actuator - Circuit Failure

C1916

VDM

⁽²⁾ LF Shock Actuator - Short-To-Ground

C1929

VDM

⁽²⁾ Front Compressor Relay - Circuit Failure

C1931

VDM

⁽²⁾ Front Compressor Relay - Short-To-Power

U1023

PCM

⁽³⁾ Engine RPM Signal Not Received

U1039

ABS

⁽³⁾ Vehicle Speed High Resolution Signal Missing

U1181

DDM

⁽³⁾ Memory Setting Signal Missing

U1199

DDM

⁽³⁾ Door Ajar Signal Missing

U1736

VIC

⁽³⁾ Integrated Chassis Warning Signal Not Acknowledged

⁽¹⁾	See SEATS - POWER article in the ACCESSORIES/SAFETY EQUIPMENT section for testing procedure.

⁽²⁾	See SUSPENSION - ELECTRONIC AIR article in the SUSPENSION section for testing procedure.

⁽³⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.

POWERTRAIN CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

P0102

PCM

⁽¹⁾ MAF Sensor Circuit - Low Input

P0103

PCM

⁽¹⁾ MAF Sensor Circuit - High Input

P0112

PCM

⁽¹⁾ IAT Sensor Circuit - Low Input

P0113

PCM

⁽¹⁾ IAT Sensor Circuit - High Input

P0117

PCM

⁽¹⁾ ECT Sensor Circuit - Low Input

P0118

PCM

⁽¹⁾ ECT Sensor Circuit - High Input

P0121

PCM

⁽¹⁾ In-Range Operating TP Sensor Circuit Failure

P0122

PCM

⁽¹⁾ TP Sensor Circuit - Low Input

P0123

PCM

⁽¹⁾ TP Sensor Circuit - High Input

P0125

PCM

⁽¹⁾ Coolant Temperature Too Low To Enter Closed Loop

P0126

PCM

⁽¹⁾ Coolant Temperature Too Low For Stable Operation

P0131

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) Low Voltage

P0132

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) - High Signal Voltage

P0133

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) Slow Response

P0135

PCM

⁽¹⁾ Upstream O2 Sensor Heater (Bank 1) Circuit Malfunction

P0136

PCM

⁽¹⁾ Downstream O2 Sensor (Bank 1) - Circuit Malfunction

P0138

PCM

⁽¹⁾ Downstream O2 Sensor (Bank 1) - High Signal Voltage

P0141

PCM

Downstream O2 Sensor Heater (Bank 1) - Circuit Malfunction

P0151

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) - Low Signal Voltage

P0152

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) - High Signal Voltage

P0153

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) Slow Response

P0155

PCM

⁽¹⁾ Upstream O2 Sensor Heater (Bank 2) Circuit Malfunction

P0156

PCM

⁽¹⁾ Downstream O2 Sensor (Bank 2) - Circuit Malfunction

P0158

PCM

⁽¹⁾ Downstream O2 Sensor Heater (Bank 2) - Sensor Voltage High

P0161

PCM

⁽¹⁾ Downstream O2 Sensor Heater (Bank 2) Circuit Malfunction

P0171

PCM

⁽¹⁾ Adaptive Fuel System (Bank 1) Too Lean

P0172

PCM

⁽¹⁾ Adaptive Fuel System (Bank 1) - Too Rich

P0174

PCM

⁽¹⁾ Adaptive Fuel System (Bank 2) Too Lean

P0175

PCM

⁽¹⁾ Adaptive Fuel System (Bank 2) Too Rich

P0222

PCM

⁽¹⁾ TP Sensor B - Signal Low

P0223

PCM

⁽¹⁾ TP Sensor B - Signal High

P0230

PCM

⁽¹⁾ Fuel Pump Primary Circuit Malfunction

P0231

PCM

⁽¹⁾ Fuel Pump Secondary Circuit Low

P0232

PCM

⁽¹⁾ Fuel Pump Secondary Circuit High

P0300

PCM

⁽¹⁾ Random Misfire Detected

P0301

PCM

⁽¹⁾ Cylinder No. 1 Misfire Detected

P0302

PCM

⁽¹⁾ Cylinder No. 2 Misfire Detected

P0303

PCM

⁽¹⁾ Cylinder No. 3 Misfire Detected

P0304

PCM

⁽¹⁾ Cylinder No. 4 Misfire Detected

P0305

PCM

⁽¹⁾ Cylinder No. 5 Misfire Detected

P0306

PCM

⁽¹⁾ Cylinder No. 6 Misfire Detected

P0307

PCM

⁽¹⁾ Cylinder No. 7 Misfire Detected

P0308

PCM

⁽¹⁾ Cylinder No. 8 Misfire Detected

P0340

PCM

⁽¹⁾ CMP Sensor Circuit Malfunction

P0350

PCM

⁽¹⁾ Ignition Coil Primary Circuit Malfunction

P0351

PCM

⁽¹⁾ Ignition Coil A Primary Circuit Malfunction

P0352

PCM

⁽¹⁾ Ignition Coil B Primary Circuit Malfunction

P0353

PCM

⁽¹⁾ Ignition Coil Primary Circuit Malfunction

P0354

PCM

⁽¹⁾ Ignition Coil Primary Circuit Malfunction

P0400

PCM

⁽¹⁾ EGR Flow Malfunction

P0401

PCM

⁽¹⁾ Insufficient EGR Flow Detected

P0402

PCM

⁽¹⁾ Excess EGR Flow Detected

P0411

PCM

⁽¹⁾ Secondary Air Injection - Incorrect Flow

P0412

PCM

⁽¹⁾ Secondary Air Injection - Control Valve Malfunction

P0420

PCM

⁽¹⁾ Catalyst System Efficiency Below Threshold (Bank 1)

P0430

PCM

⁽¹⁾ Catalyst System Efficiency Below Threshold (Bank 2)

P0443

PCM

⁽¹⁾ EVAP Purge Solenoid Or Valve Malfunction

P0505

PCM

⁽¹⁾ IAC System Malfunction

P0603

PCM

⁽¹⁾ PCM Keep Alive Memory Test Error

P0605

PCM

⁽¹⁾ PCM Read Only Memory Test Error

P0703

PCM

⁽¹⁾ Brake On/Off Switch Input Malfunction

P0707

PCM

⁽¹⁾ TR Sensor Circuit - Signal Low

⁽¹⁾	See TESTS W/CODES - EEC-V article in the ENGINE PERFORMANCE section for testing procedure.

POWERTRAIN CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

P0708

PCM

⁽¹⁾ TR Sensor Circuit - Signal High

P0712

PCM

⁽¹⁾ TFT Sensor Circuit - Signal Low

P0713

PCM

⁽¹⁾ TFT Sensor Circuit - Signal High

P0715

PCM

⁽¹⁾ Turbine Shaft Speed Sensor Circuit Malfunction

P0720

PCM

⁽¹⁾ Output Shaft Speed Sensor Circuit Malfunction

P0731

PCM

⁽¹⁾ Incorrect Ratio For First Gear

P0732

PCM

⁽¹⁾ Incorrect Ratio For Second Gear

P0733

PCM

⁽¹⁾ Incorrect Ratio For Third Gear

P0734

PCM

⁽¹⁾ Incorrect Ratio For Fourth Gear

P0736

PCM

⁽¹⁾ Incorrect Ratio For Reverse Gear

P0741

PCM

⁽¹⁾ TCC Mechanical System Performance

P0743

PCM

⁽¹⁾ TCC Electrical System Malfunction

P0746

PCM

⁽¹⁾ Electronic Pressure Control Solenoid Performance

P0750

PCM

⁽¹⁾ Shift Solenoid No. 1 Circuit Malfunction

P0751

PCM

⁽¹⁾ Shift Solenoid No. 1 Performance

P0755

PCM

⁽¹⁾ Shift Solenoid No. 2 Circuit Malfunction

P0756

PCM

⁽¹⁾ Shift Solenoid No. 2 Performance

P0760

PCM

⁽¹⁾ Shift Solenoid No. 3 Circuit Malfunction

P0761

PCM

⁽¹⁾ Shift Solenoid No. 3 Performance

P0781

PCM

⁽¹⁾ 1-2 Shift Error

P0782

PCM

⁽¹⁾ 2-3 Shift Error

P0783

PCM

⁽¹⁾ 3-4 Shift Error

P1000

PCM

⁽¹⁾ Monitor Testing Not Complete

P1100

PCM

⁽¹⁾ MAF Sensor Signal Intermittent

P1101

PCM

⁽¹⁾ MAF Sensor Out Of Range

P1112

PCM

⁽¹⁾ IAT Sensor Signal Intermittent

P1116

PCM

⁽¹⁾ ECT Sensor Out Of Range

P1117

PCM

⁽¹⁾ ECT Sensor Signal Intermittent

P1120

PCM

⁽¹⁾ TP Sensor - Signal Low

P1121

PCM

⁽¹⁾ TP Sensor Inconsistent With MAF Sensor

P1124

PCM

⁽¹⁾ TP Sensor Out Of Range

P1125

PCM

⁽¹⁾ TP Sensor Signal Intermittent

P1130

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) - Not Switching Adaptive Fuel At Limit

P1131

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) - Not Switching, Lean Condition

P1132

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 1) - Not Switching, Rich Condition

P1150

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) - Not Switching Adaptive Fuel At Limit

P1151

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) - Not Switching, Lean Condition

P1152

PCM

⁽¹⁾ Upstream O2 Sensor (Bank 2) - Not Switching, Rich Condition

P1157

PCM

⁽¹⁾ Downstream O2 Sensor (Bank 2) - Not Switching, Lean Condition

P1158

PCM

⁽¹⁾ Downstream O2 Sensor (Bank 2) - Not Switching, Rich Condition

P1220

PCM

⁽¹⁾ Series Throttle Control Malfunction

P1224

PCM

⁽¹⁾ TP Sensor Signal Out Of Range

P1233

PCM

⁽¹⁾ Fuel Pump Driver Module Offline

P1234

PCM

⁽¹⁾ Fuel Pump Driver Module Offline

P1235

PCM

⁽¹⁾ Fuel Pump Control Out Of Range

P1236

PCM

⁽¹⁾ Fuel Pump Control Out Of Range

P1237

PCM

⁽¹⁾ Fuel Pump Secondary Circuit Malfunction

P1238

PCM

⁽¹⁾ Fuel Pump Secondary Circuit Malfunction

P1260

PCM

⁽¹⁾ Theft Detected - Engine Disabled

P1270

PCM

⁽¹⁾ Engine Or Vehicle Speed Limiter Reached

P1351

PCM

⁽¹⁾ IDM Circuit Input Malfunction

P1358

PCM

⁽¹⁾ IDM Signal Out Of Range

P1359

PCM

⁽¹⁾ SPOUT Circuit Malfunction

P1390

PCM

⁽¹⁾ Octane Adjust Signal Out Of Range

P1400

PCM

⁽¹⁾ DPFE Sensor - Signal Low

P1401

PCM

⁽¹⁾ DPFE Sensor - Signal High

P1403

PCM

⁽¹⁾ DPFE Sensor - Hoses Reversed

P1405

PCM

⁽¹⁾ DPFE Sensor - Upstream Hose Off Or Plugged

P1406

PCM

⁽¹⁾ DPFE Sensor - Downstream Hose Off Or Plugged

P1407

PCM

⁽¹⁾ No EGR Flow Detected

P1408

PCM

⁽¹⁾ EGR Flow Out Of Range

⁽¹⁾	See TESTS W/CODES - EEC-V article in the ENGINE PERFORMANCE section for testing procedure.

POWERTRAIN CONTROL MODULE DTC DEFINITIONS

DTC

Source Module

Description

P1409

PCM

⁽¹⁾ EVR Control Circuit Malfunction

P1413

PCM

⁽¹⁾ Secondary Air Injection Monitor - Signal Low

P1414

PCM

⁽¹⁾ Secondary Air Injection Monitor - Signal High

P1443

PCM

⁽¹⁾ EVAP Purge Solenoid Or Control Valve Malfunction

P1444

PCM

⁽¹⁾ EVAP Purge Flow Sensor - Signal Low

P1445

PCM

⁽¹⁾ EVAP Purge Flow Sensor - Signal High

P1460

PCM

⁽¹⁾ WAC Circuit Malfunction

P1461

PCM

⁽¹⁾ A/C Pressure Sensor - Signal Low

P1462

PCM

⁽¹⁾ A/C Pressure Sensor - Signal High

P1463

PCM

⁽¹⁾ A/C Pressure Sensor - Insufficient Pressure Change

P1469

PCM

⁽¹⁾ A/C - Low Cycling Period

P1473

PCM

⁽¹⁾ Fan Secondary High With Fans Off

P1480

PCM

⁽¹⁾ Fan Secondary Low With Low Fan On

P1481

PCM

⁽¹⁾ Fan Secondary Low With High Fan On

P1505

PCM

⁽¹⁾ IAC System At Adaptive Clip

P1506

PCM

⁽¹⁾ IAC System - Overspeed Error

P1506

PCM

⁽¹⁾ IAC System - Underspeed Error

P1518

PCM

⁽¹⁾ IMRC System - Valve Stuck Open

P1519

PCM

⁽¹⁾ IMRC System - Valve Stuck Closed

P1520

PCM

⁽¹⁾ IMRC System - Circuit Malfunction

P1605

PCM

⁽¹⁾ PCM Keep Alive Power Test Error

P1650

PCM

⁽¹⁾ Power Steering Pressure Switch Out Of Range

P1651

PCM

⁽¹⁾ Power Steering Pressure Switch Input Malfunction

P1701

PCM

⁽¹⁾ Reverse Engagement Error

P1703

PCM

⁽¹⁾ Brake On/Off Switch Out Of Range

P1705

PCM

⁽¹⁾ Transmission Range Switch Out Of Range

P1709

PCM

⁽¹⁾ Park/Neutral Position Switch Out Of Range

P1711

PCM

⁽¹⁾ Transmission Fluid Temperature Sensor Out Of Range

P1741

PCM

⁽¹⁾ Torque Converter Clutch Control Error

P1742

PCM

⁽¹⁾ Torque Converter Clutch Solenoid Failure (MIL On)

P1743

PCM

⁽¹⁾ Torque Converter Clutch Solenoid Failure (TCIL On)

P1744

PCM

⁽¹⁾ Torque Converter Clutch Mechanically Stuck Off

P1746

PCM

⁽¹⁾ Electronic Pressure Control Solenoid Open Circuit (Low Input)

P1747

PCM

⁽¹⁾ Electronic Pressure Control Solenoid Failed Low

P1751

PCM

⁽¹⁾ Shift Solenoid No. 1 Performance

P1756

PCM

⁽¹⁾ Shift Solenoid No. 2 Performance

P1761

PCM

⁽¹⁾ Shift Solenoid No. 3 Performance

P1780

PCM

⁽¹⁾ Transmission Control Switch Out Of Range

P1783

PCM

⁽¹⁾ Transmission Over-Temperature Condition

U1039

ABS

⁽²⁾ Vehicle Speed High Resolution Signal Missing Or Invalid

U1051

LCM

⁽³⁾ Brake Switch Signal Missing Or Invalid

U1135

LCM

⁽⁴⁾ Ignition Switch Signal Missing

U1451

LCM

⁽⁴⁾ Anti-Theft Status Signal Missing

⁽¹⁾	See TESTS W/CODES - EEC-V article in the ENGINE PERFORMANCE section for testing procedure.

⁽²⁾	See testing procedures for DTC's C1145, C1155, C1165 and C1175 in ANTI-LOCK BRAKE SYSTEM article in the BRAKES section.

⁽³⁾	See testing procedures for DTC B1485 in LAMP CONTROL SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.

⁽⁴⁾	Check source control module for DTC's and repair as necessary. If no codes are found, check data bus wires for open or short. See COMMUNICATION NETWORK DIAGNOSTICS in this article.