Diagnostic Trouble Code (DTC) Index

DTC INDEX

DTC	Description	Possible Source	Action
C1095	Pump motor circuit fault	Pump motor to control module circuit; high resistance, open circuit, short circuit to ground, short circuit to B+ Pump motor supply circuit open circuit Pump motor failure	For control module circuit tests, GO to Pinpoint Test PINPOINT TEST G219985P1: C1095; PUMP MOTOR FAULT
C1137	Control module circuit failure	Control module ground circuits; high resistance, open circuit, short circuit to B+ Control module power circuits; high resistance, open circuit, short circuit to ground Control module failure	For control module circuit tests, GO to PINPOINT TEST G219985P2: C1137; CONTROL MODULE CIRCUIT FAILURE
C1145	Right-hand front wheel speed sensor (WSS) circuit failure	Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For right-hand front WSS circuit tests, GO to PINPOINT TEST G219985P3: C1145, C1234; RIGHT-HAND FRONT WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE .
C1155	Left-hand front wheel speed sensor (WSS) circuit failure	Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For left-hand front WSS circuit tests, GO to Pinpoint Test PINPOINT TEST G219985P4: C1155, C1233; LEFT-HAND FRONT WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE .
C1165	Right-hand rear wheel speed sensor (WSS) circuit failure	Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For right-hand rear WSS circuit tests, GO to PINPOINT TEST G219985P5: C1165, C1235; RIGHT-HAND REAR WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE .
C1175	Left-hand rear wheel speed sensor (WSS) circuit failure	Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For left-hand rear WSS circuit tests, GO to Pinpoint Test PINPOINT TEST G219985P6: C1175, C1236; LEFT-HAND REAR WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE .
C1233	Left-hand front wheel speed sensor signal failure	Wheel speed sensor gap incorrect Foreign matter on sensor face Missing tooth on sensor wheel Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For left-hand front WSS circuit tests, GO to PINPOINT TEST G219985P4: C1155, C1233; LEFT-HAND FRONT WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE . For sensor and wheel information, REFER to WHEEL SPEED SENSOR and WHEEL SPEED SENSOR RING .
C1234	Right-hand front wheel speed sensor signal failure	Wheel speed sensor gap incorrect Foreign matter on sensor face Missing tooth on sensor wheel Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For right-hand front WSS circuit tests, GO to PINPOINT TEST G219985P3: C1145, C1234; RIGHT-HAND FRONT WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE . For sensor and wheel information, REFER to WHEEL SPEED SENSOR and WHEEL SPEED SENSOR RING .
C1235	Right-hand rear wheel speed sensor signal failure	Wheel speed sensor gap incorrect Foreign matter on sensor face Missing tooth on sensor wheel Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For right-hand rear WSS circuit tests, GO to PINPOINT TEST G219985P5: C1165, C1235; RIGHT-HAND REAR WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE . For sensor and wheel information, REFER to WHEEL SPEED SENSOR and WHEEL SPEED SENSOR RING .
C1236	Left-hand rear wheel speed sensor signal failure	Wheel speed sensor gap incorrect Foreign matter on sensor face Missing tooth on sensor wheel Wheel speed sensor circuit; open circuit, short circuit Wheel speed sensor to control module circuit; high resistance, open circuit, short circuit to ground Wheel speed sensor failure Control module failure	For left-hand rear WSS circuit tests, GO to Pinpoint Test PINPOINT TEST G219985P6: C1175, C1236; LEFT-HAND REAR WHEEL SPEED SENSOR (WSS) ELECTRICAL FAILURE . For sensor and wheel information, REFER to WHEEL SPEED SENSOR and WHEEL SPEED SENSOR RING .
C1267	Modulator valve fault	Modulator valve failure Supply circuit fault (fuse, etc) Control module failure	For module supply circuit tests, REFER to POWER SUPPLY/GROUND TEST INDEX .
B1342	CAN circuit malfunction	CAN open circuit fault CAN short circuit fault Control module failure	For CAN circuit tests, REFER to DIAGNOSIS AND TESTING .
B1676	Supply voltage out of range	Battery to control module B+ supply circuit; open circuit, high resistance Battery failure, loose connections Charging system failure Control module failure	Check the battery condition and charging system, REFER to GENERATORS & REGULATORS and BATTERY, MOUNTINGS & CABLES .