GMC fault codes

Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.

GMC shares fault-code data with GM. Data may not cover GMC-specific systems.

Codes 17,703

Code	Description	Brands	System
U1502	SW row LIN timeout/Not equipped	15	Network
U1503	Implausible data length from FCM	12	Network
U1504	RLS LIN timeout/Not equipped	15	Network
U1505	CAN communication	14	Network
U1506	Sunroof LIN timeout/Not equipped	10	Network
U1507	LIN transmission bit error	14	Network
U1508	Software is not compatible with the engine management ECU	14	Network
U1509	P/W(AS) LIN timeout/Not equipped	11	Network
U150A	No description available	8	Network
U150B	Column SW LIN checksum error	11	Network
U150C	P/W SW (DR) LIN checksum error	11	Network
U150E	P/W SW (RL) LIN checksum error	9	Network
U150F	EEPROM Check Code Error	9	Network
U1510	Lokal databus 10	12	Network
U1511	Lost communication with ECM	14	Network
U1512	Lost Communication with Device on LIN Bus	9	Network
U1513	Lost communication with TCU	14	Network
U1514	Lost Communication with Device on LIN Bus	10	Network
U1515	Lost communication with ABS	10	Network
U1516	LIN bus 1 kaotas side seadmega 6	10	Network
U1517	Lost communication with BCM	10	Network
U1518	Communication error	14	Network
U1519	Communication error	14	Network
U151A	Lost Communication with Device on LIN Bus	9	Network
U151B	Lost Communication with Device on LIN Bus	7	Network
U151C	Lost Communication with Device on LIN Bus	6	Network
U151D	Lost Communication with Device on LIN Bus	8	Network
U151E	Lost Communication with Device on LIN Bus	8	Network
U151F	Lost Communication with Device on LIN Bus	6	Network
U1520	LIN bus 2 kaotas side seadmega 0	9	Network
U1521	LIN bus 2 kaotas side seadmega 1	11	Network
U1522	LIN bus 2 kaotas side seadmega 2	11	Network
U1523	LIN bus 2 kaotas side seadmega 3	11	Network
U1524	LIN bus 2 kaotas side seadmega 4	11	Network
U1525	Intake Air Heater Circuit. Sensor C. Operation Failure	9	Network
U1526	DC/DC Converter. Temperature Sensor. Sensor C. Low Signal	8	Network
U1527	LIN bus 2 kaotas side seadmega 7	9	Network
U1528	LIN bus 2 kaotas side seadmega 8	7	Network
U1529	LIN bus 2 kaotas side seadmega 9	7	Network
U152A	Lost Communication with Device on LIN Bus	6	Network
U152B	Lost Communication with Device on LIN Bus	6	Network
U152C	Lost Communication with Device on LIN Bus	6	Network
U152D	Lost Communication with Device on LIN Bus	6	Network
U152E	Lost Communication with Device on LIN Bus	6	Network
U152F	Lost Communication with Device on LIN Bus	7	Network
U1530	Kolom ECU LIN checksumfout	11	Network
U1531	RCM LIN checksumfejl	10	Network
U1532	RLS LIN checksumfejl	10	Network
U1533	Sunroof ECU LIN checksum error	11	Network
U1534	P/W SW (DR) LIN checksum error	11	Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.