LCM Diagnostic Trouble Code (DTC) Index

DTC	Description	Source	Action
B1342	ECU is Defective	LCM	CLEAR the DTCs. RETRIEVE the DTCs. IF DTC B1342 is retrieved, REPLACE the LCM. REFER to MODULE--LIGHTING CONTROL (LCM) article.
B1312	Lamp Headlamp Input Circuit Short to Battery	LCM	REFER to EXTERIOR LIGHTING article.
B1334	Decklid Ajar Rear Door Circuit Short to Ground	LCM	REFER to KEYLESS ENTRY/COMPUTER OPERATED LOCKS article.
B1352	Ignition Key-In Circuit Failure	LCM	REFER to WARNING DEVICES article.
B1359	Ignition Run/Acc Circuit Failure	LCM	REFER to WARNING DEVICES article.
B1462	Safety Belt Switch Circuit Failure	LCM	REFER to INSTRUMENT CLUSTER article.
B1483	Brake Pedal Input Circuit Failure	LCM	Refer to EXTERIOR LIGHTING article.
B1498	Decklid Punch-Out Sensor Ground Short	LCM	Refer to ANTI-THEFT - PERIMETER article.
B1509	Flash-to-Pass Switch Circuit Short to Battery	LCM	Refer to EXTERIOR LIGHTING article.
B1522	Hood Switch Circuit Short to Ground	LCM	Refer to ANTI-THEFT - PERIMETER article.
B1555	Ignition Run/Start Circuit Failure	LCM	Refer to INTERIOR LIGHTING article.
B1566	Door Ajar Circuit Short to Ground	LCM	Refer to INTERIOR LIGHTING article.
B1569	Lamp Headlamp High Beam Circuit Short to Battery	LCM	Refer to EXTERIOR LIGHTING article.
B1577	Lamp Park Input Circuit Short to Battery	LCM	Refer to EXTERIOR LIGHTING article.
B1582	Dim Panel Increase Input Circuit Short to Ground	LCM	Refer to INSTRUMENT CLUSTER & PANEL ILLUMINATION article.
B1586	Dim Panel Decrease Input Circuit Short to Ground	LCM	Refer to INSTRUMENT CLUSTER & PANEL ILLUMINATION article.
B1590	Autolamp Delay Increase Circuit Short to Ground	LCM	Refer to EXTERIOR LIGHTING article.
B1594	Autolamp Delay Decrease Circuit Short to Ground	LCM	Refer to EXTERIOR LIGHTING article.
B1676	Battery Pack Voltage Out of Range	LCM	Refer to EXTERIOR LIGHTING article.
B1807	Lamp Tail Output Circuit Open	LCM	Refer to EXTERIOR LIGHTING article.
U1123	SCP (J1850) Invalid or Missing Data for Odometer	ABS/TC	CARRY OUT the ABS/TC self-test. REFER to ANTI-LOCK CONTROL - TRACTION CONTROL .
U1181	SCP (J1850) Invalid or Missing Data for Personalization (Memory) Features	VIC, DDM	CARRY OUT the VIC and DDM self-test. Refer to KEYLESS ENTRY/COMPUTER OPERATED LOCKS article.
U1262	SCP (J1850) Communication Bus Fault	SCP	Refer to MODULE COMMUNICATIONS NETWORK article.