GM fault codes

17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters

Shared-name brands using this data:

Codes 17,703

Code	Description	Brands	System
U1169	Loss of Communications with MMM	11	Network
U116A	Anti-lock brake system (ABS3) CAN frame reception timeout	11	Network
U116B	Quick Charger CHG-CAN timeout	9	Network
U116C	No description available	7	Network
U116D	No description available	6	Network
U116E	No description available	7	Network
U116F	No description available	6	Network
U1170	PHEV LIN bit error	15	Network
U1171	Loss of serial communications for class 2 devices	9	Network
U1172	BMU LIN checksum error	10	Network
U1173	Loss of serial communications for class 2 devices	13	Network
U1174	Loss of serial communications for class 2 devices	9	Network
U1175	Electronic parking LIN slave not responding	14	Network
U1176	Loss of RFA communications	16	Network
U1177	Loss of serial communications for class 2 devices	6	Network
U1178	Loss of serial communications for class 2 devices	6	Network
U1179	Loss of serial communications for class 2 devices	8	Network
U1180	Loss of serial communications for class 2 devices	11	Network
U1181	Loss of serial communications for class 2 devices	10	Network
U1182	Loss of serial communications for class 2 devices	5	Network
U1183	Loss of serial communications for class 2 devices	5	Network
U1184	Loss of serial communications for class 2 devices	7	Network
U1185	Loss of serial communications for class 2 devices	8	Network
U1186	Loss of serial communications for class 2 devices	10	Network
U1187	Loss of serial communications for class 2 devices	9	Network
U1188	CAN hybrid network	10	Network
U1189	Loss of serial communications for class 2 devices	7	Network
U118B	No description available	7	Network
U1190	Loss of serial communications for class 2 devices	14	Network
U1191	Loss of serial communications for class 2 devices	10	Network
U1192	Loss of VTD Class 2 Serial Data Com	8	Network
U1193	Loss of VIM Class 2 Communication	8	Network
U1194	Loss of serial communications for class 2 devices	10	Network
U1195	Loss of serial communications for class 2 devices	10	Network
U1196	Loss of serial communications for class 2 devices	9	Network
U1197	Loss of serial communications for class 2 devices	8	Network
U1198	Coding not allowed	13	Network
U1199	Loss of serial communications for class 2 devices	12	Network
U119C	Implausible coding data	8	Network
U119D	No description available	6	Network
U119E	No description available	6	Network
U119F	No description available	6	Network
U11A5	CMU06 CAN timeout	8	Network
U11A7	CMU08 CAN timeout	8	Network
U11A8	CMU09 CAN timeout	8	Network
U11A9	CMU10 CAN timeout	8	Network
U11AA	CMU11 CAN timeout	8	Network
U11AC	Current sensor module lost	8	Network
U11AD	PTC heater lost	8	Network
U11AE	CMU01 CAN timeout	8	Network

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