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Diagnostic Trouble Code (DTC) Definitions

NOTE: For testing procedure on any DTC starting with the prefix "P", such as P0102, see G -TESTS W/CODES - EEC-V article in ENGINE PERFORMANCE section.
MULTIPLEX COMMUNICATION NETWORK DTC DEFINITIONS

DTC Source Module Action
0000 PCM & ABS/TC Circuits 914 & 915 Okay
0001 PCM Go To Test A
0002 ABS/TC Go To Test B (System Okay, If Not Equipped With TC)
0003 ABS/TC Go To Test C (If Not Equipped With TC, Go To Test A)
0004 PCM & ABS/TC Circuits 914 & 915 Okay
0005 PCM Go To Test A
0006 ABS/TC Go To Test B (System Okay, If Not Equipped With TC)
0007 ABS/TC Go To Test C (If Not Equipped With TC, Go To Test A)
ISO 9141 DIAGNOSTIC COMMUNICATIONS NETWORK DTC DEFINITIONS

DTC Source Module Action
0000 ABS, GEM & Diagnostic Monitor System Okay
0001 ABS Go To Test D (System Okay, If Not Equipped With TC)
0002 GEM Go To Test E
0003 ABS & GEM Go To Test D (If Equipped With TC, Go To Test E)
0004 Diagnostic Monitor Go To Test F
0005 ABS & Diagnostic Monitor Go To Test D (If Equipped With TC, Go To Test F)
0006 GEM & Diagnostic Monitor Go To Test E
0007 ABS, GEM & Diagnostic Monitor Go To Test G
ANTI-LOCK BRAKE/TRACTION CONTROL (ABS/TC) MODULE DTC DEFINITIONS

DTC Source Module Description
B1342 ABS/TC (1) ECU Defective
C1095 ABS/TC (1) Hydraulic Pump Motor Circuit Failure
C1096 ABS/TC (1) Hydraulic Pump Motor Circuit Open
C1103 ABS/TC (1) Hydraulic Brake Switch Circuit Failure
C1104 ABS/TC (1) T/A Active Light Short To Battery
C1105 ABS/TC (1) T/A Disable Light Short To Battery
C1113 ABS/TC (1) ABS Power Relay Coil Short To Battery
C1115 ABS/TC (1) ABS Power Relay Output Short To Battery
C1140 ABS/TC (1) Hydraulic Brake Failure
C1141 ABS/TC (1) LF Tone Ring Missing Tooth Fault
C1142 ABS/TC (1) RF Tone Ring Missing Tooth Fault
C1143 ABS/TC (1) LR Tone Ring Missing Tooth Fault
C1144 ABS/TC (1) RR Tone Ring Missing Tooth Fault
C1145 ABS/TC (1) RF Speed Sensor Input Circuit Failure
C1148 ABS/TC (1) RF Speed Sensor Plausibility/ Coherency Fault
C1155 ABS/TC (1) LF Speed Sensor Input Circuit Failure
C1158 ABS/TC (1) LF Speed Sensor High Speed Coherency Fault
C1165 ABS/TC (1) RR Speed Sensor Input Circuit Failure
C1168 ABS/TC (1) RR Speed Sensor High Speed Coherency Fault
C1175 ABS/TC (1) LR Speed Sensor Input Circuit Failure
C1178 ABS/TC (1) LR Speed Sensor High Speed Coherency Fault
C1194 ABS/TC (1) LF Dump Valve Coil Circuit Failure
C1196 ABS/TC (1) LF Dump Valve Coil Short To Power
C1198 ABS/TC (1) LF Inlet Valve Coil Circuit Failure
C1200 ABS/TC (1) LF Inlet Valve Short To Power
C1210 ABS/TC (1) RF Dump Valve Coil Circuit Failure
C1212 ABS/TC (1) RF Dump Valve Short To Battery
C1214 ABS/TC (1) RF Inlet Valve Circuit Failure
C1220 ABS/TC (1) ABS Warning Light Short To Power
C1222 ABS/TC (1) Wheel Mismatch (Any Wheel)
C1225 ABS/TC (1) Brake Warning Light Short To Power
C1233 ABS/TC (1) LF Wheel Speed Signal Missing
C1234 ABS/TC (1) RF Wheel Speed Signal Missing
C1235 ABS/TC (1) LR Wheel Speed Signal Missing
C1236 ABS/TC (1) RR Wheel Speed Signal Missing
C1242 ABS/TC (1) LR Dump Valve Coil Circuit Failure
C1244 ABS/TC (1) LR Dump Valve Short To Power
C1246 ABS/TC (1) RR Dump Valve Coil Circuit Failure
C1248 ABS/TC (1) RR Dump Valve Short To Power
C1250 ABS/TC (1) LR Inlet Valve Circuit Failure
C1252 ABS/TC (1) LR Inlet Valve Circuit Short To Power
C1254 ABS/TC (1) RR Inlet Valve Coil Circuit Failure
C1256 ABS/TC (1) RR Inlet Valve Circuit Short To Power
C1446 ABS/TC (1) Brake Switch Circuit Failure
U1009 PCM (2) Actual Torque Value Invalid
U1027 PCM (2) Engine RPM Value Invalid
U1059 PCM (2) Transmission Configuration Missing Or Invalid
U1083 PCM (2) Engine Configuration Missing Or Invalid
U1608 PCM (2) Desired Torque Limit Value Missing Or Invalid
(1) See BRAKES - ANTI-LOCK article in BRAKES section for testing procedure.
(2) See TESTS W/CODES - EEC-V article in ENGINE PERFORMANCE section.
ANTI-LOCK BRAKE (ABS) CONTROL MODULE DTC DEFINITIONS

DTC Source Module Description
B1342 ABS (1) ECU Defective
C1095 ABS (1) Hydraulic Pump Motor Circuit Failure
C1096 ABS (1) Hydraulic Pump Motor Circuit Open
C1113 ABS (1) ABS Power Relay Coil Short To Battery
C1115 ABS (1) ABS Power Relay Output Short To Battery
C1145 ABS (1) RF Speed Sensor Input Circuit Failure
C1148 ABS (1) RF Speed Sensor Plausibility/ Coherency Fault
C1155 ABS (1) LF Speed Sensor Input Circuit Failure
C1158 ABS (1) LF Speed Sensor High Speed Coherency Fault
C1165 ABS (1) RR Speed Sensor Input Circuit Failure
C1168 ABS (1) RR Speed Sensor High Speed Coherency Fault
C1175 ABS (1) LR Speed Sensor Input Circuit Failure
C1178 ABS (1) LR Speed Sensor High Speed Coherency Fault
C1194 ABS (1) LF Dump Valve Coil Circuit Failure
C1196 ABS (1) LF Dump Valve Coil Short To Power
C1198 ABS (1) LF Inlet Valve Coil Circuit Failure
C1200 ABS (1) LF Inlet Valve Short To Power
C1210 ABS (1) RF Dump Valve Coil Circuit Failure
C1212 ABS (1) RF Dump Valve Short To Battery
C1214 ABS (1) RF Inlet Valve Circuit Failure
C1220 ABS (1) ABS Warning Light Short To Power
C1222 ABS (1) Wheel Mismatch (Any Wheel)
C1225 ABS (1) Brake Warning Light Short To Power
C1233 ABS (1) LF Wheel Speed Signal Missing
C1234 ABS (1) RF Wheel Speed Signal Missing
C1235 ABS (1) LR Wheel Speed Signal Missing
C1236 ABS (1) RR Wheel Speed Signal Missing
C1242 ABS (2) LR Dump Valve Coil Circuit Failure
C1244 ABS (1) LR Dump Valve Short To Power
C1246 ABS (2) RR Dump Valve Coil Circuit Failure
C1248 ABS (1) RR Dump Valve Short To Power
C1250 ABS (2) LR Inlet Valve Circuit Failure
C1252 ABS (1) LR Inlet Valve Circuit Short To Power
C1254 ABS (2) RR Inlet Valve Coil Circuit Failure
C1256 ABS (1) RR Inlet Valve Circuit Short To Power
(1) See BRAKES - ANTI-LOCK article in BRAKES section for testing procedure.
(2) Clear and recheck DTCs. If same DTC returns, replace ABS control module.
AIR BAG DIAGNOSTIC MONITOR DTC DEFINITIONS

DTC Source Module (1) Description
B1867 AIR BAG Low Battery Voltage
B1869 AIR BAG Air Bag Indicator Circuit Open
B1913 AIR BAG Driver/Passenger Air Bag Circuit Shorted To Ground
B1914 AIR BAG Primary Crash Sensors Shorted To Ground
B1921 AIR BAG Faulty Air Bag Monitor Ground Circuit Open
B1922 AIR BAG Safing Sensor Output Circuit Shorted To Voltage
B1923 AIR BAG Memory Clear Circuit Short To Power
B1924 AIR BAG System Disarm Failure/Internal Air Bag Monitor Fault
B1932 AIR BAG High Resistance Or Open In Driver's Side Air Bag Circuit
B1933 AIR BAG High Resistance Or Open In Passenger's Side Air Bag Circuit
B1934 AIR BAG Low Resistance Or Short In Driver's Side Air Bag Circuit
B1935 AIR BAG Low Resistance Or Short In Passenger's Side Air Bag Circuit
B1941 AIR BAG Primary Crash Sensor No. 1 Feed/ Return Circuit Open
B1942 AIR BAG Primary Crash Sensor No. 2 Feed/ Return Circuit Open
B1944 AIR BAG Primary Crash Sensor No. 1 Ground/ Improper Mounting
B1945 AIR BAG Primary Crash Sensor No. 2 Ground/ Improper Mounting
(1) See AIR BAG RESTRAINT SYSTEM article for testing procedures.
GENERIC ELECTRONIC MODULE (GEM) DTC DEFINITIONS

DTC Source Module Description
B1302 GEM (1) Delayed Accessory Relay Coil Circuit Failure
B1304 GEM (1) Delayed Accessory Relay Coil Circuit Short To Battery
B1312 GEM (2) Headlight Input Short To Power
B1313 GEM (3) Battery Saver Relay Coil Circuit Failure
B1315 GEM (3) Battery Saver Relay Coil Circuit Short To Battery
B1317 GEM (3) Battery Voltage High
B1318 GEM (3) Battery Voltage Low
B1322 GEM (3) Door Ajar Driver Circuit Short To Ground
B1323 GEM (4) Door Ajar Lamp Circuit Failure
B1325 GEM (4) Door Ajar Lamp Circuit Short To Battery
B1330 GEM (3) Door Ajar Passenger Circuit Short To Ground
B1334 GEM (3) Decklid Ajar Circuit Short To Ground
B1335 GEM (3) Sliding Door Ajar Circuit Failure
B1340 GEM (5) Chime Request Input Short To Ground
B1342 GEM (6) GEM Internal Failure
B1345 GEM (1) Rear Defogger Switch Short To Ground
B1347 GEM (1) Rear Defogger Relay Output Circuit Failure
B1349 GEM (1) Rear Defogger Relay Output Circuit Short To Battery
B1352 GEM (5) Ignition Key In Circuit Failure
B1355 GEM (7) Ignition RUN Circuit Failure
B1359 GEM (7) Ignition RUN/ACC Circuit Failure
B1371 GEM (3) Illuminated Entry Relay Coil Circuit Failure
B1373 GEM (3) Illuminated Entry Relay Short To Battery
B1392 GEM (8) Memory Door Lock Relay Coil Circuit Failure
B1394 GEM (8) Memory Door Lock Relay Coil Circuit Short To Power
B1396 GEM (8) Lock Circuit Short To Battery
B1397 GEM (8) Unlock Circuit Short To Battery
B1398 GEM (1) Driver Window One Touch Relay Circuit Failure
B1400 GEM (1) Driver Window One Touch Relay Circuit Short To Battery
B1404 GEM (1) Driver Window Down Circuit Open
B1405 GEM (1) Driver Window Down Circuit Short To Battery
B1408 GEM (1) Driver Window Up Circuit Short To Battery
B1410 GEM (1) Driver Power Window Motor Circuit Failure
B1426 GEM (5) Seat Belt Lamp Circuit Short To Battery
B1428 GEM (5) Seat Belt Lamp Circuit Failure
B1431 GEM (9) Wiper Run Relay Circuit Failure
B1432 GEM (9) Wiper Run Relay Circuit Short To Battery
B1434 GEM (9) Wiper HI/LO Speed Relay Circuit Failure
B1436 GEM (9) Wiper HI/LO Speed Relay Short To Battery
B1438 GEM (9) Wiper Mode Select Switch Circuit Failure
B1441 GEM (9) Wiper Mode Select Switch Short To Ground
B1446 GEM (9) Wiper Front Park Sense Circuit Failure
B1448 GEM (9) Wiper Front Park Sense Circuit Short To Battery
B1450 GEM (9) Wiper/Washer Delay Switch Circuit Failure
B1453 GEM (9) Wiper/Washer Delay Switch Circuit Short To Ground
B1456 GEM (9) Low Washer Fluid Light Short To Battery
B1458 GEM (9) Wiper/Washer Pump Motor Relay Circuit Failure
B1460 GEM (9) Wiper Washer Pump Motor Relay Short To Battery
B1462 GEM (5) Seat Belt Switch Circuit Failure
B1466 GEM (9) Wiper HI/LO Speed Not Switching
B1467 GEM (9) Wiper Motor Circuit Short To Battery
B1473 GEM (9) Wiper LO Speed Motor Circuit Failure
B1474 GEM (3) Battery Saver Output Circuit Short To Battery
B1475 GEM (1) Delayed Accessory Relay Short To Battery
B1476 GEM (9) Wiper High Speed Motor Circuit Failure
C1724 GEM (10) Height Sensor Power Circuit Failure
C1763 GEM (10) Height Sensor High Signal Short To Ground
C1768 GEM (10) Height Sensor Low Signal Short To Ground
C1770 GEM (10) Air Suspension Vent Solenoid Circuit Failure
C1772 GEM (10) Air Suspension Vent Solenoid Short To Power
C1790 GEM (10) LR Air Spring Solenoid Circuit Failure
C1792 GEM (10) LR Air Spring Solenoid Short To Power
C1795 GEM (10) RR Air Spring Solenoid Circuit Failure
C1797 GEM (10) RR Air Spring Solenoid Short To Power
C1813 GEM (10) Air Suspension Vent Requirement Exceeds Max Time
C1818 GEM (10) Air Compressor Requirement Exceeds Max Time
C1830 GEM (10) Air Compressor Relay Coil Circuit Failure
C1832 GEM (10) Air Compressor Relay Coil Short To Power
C1840 GEM (10) Air Suspension Service Switch Failure
C1850 GEM (10) Air Suspension Warning Light Circuit Failure
C1852 GEM (10) Air Suspension Warning Light Short To Power
(1) See POWER WINDOWS article for test procedure.
(2) Information not available from manufacturer.
(3) See wiring diagram in SYSTEM WIRING DIAGRAMS article in WIRING DIAGRAMS section.
(4) See INSTRUMENT PANEL - ELECTRONIC article for test procedure.
(5) See wiring diagram in SYSTEM WIRING DIAGRAMS article.
(6) Clear and recheck DTCs. If DTC B1342 returns, replace GEM.
(7) See STEERING COLUMN SWITCHES article for test procedure.
(8) See DOOR LOCKS & TRUNK RELEASE - POWER article for test procedure.
(9) See WIPER/WASHER SYSTEM article for test procedure.
(10) See SUSPENSION - ELECTRONIC article in SUSPENSION section.
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