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
B11E0	Rear HVAC Status Lamp #1	12	Body
B11E1	Rear HVAC Status Lamp #2	15	Body
B11E2	Rear HVAC Status Lamp #3	12	Body
B11E3	Rear HVAC Damper Motor	12	Body
B11E4	Rear Air Distribution Damper Motor	11	Body
B11E5	Left HVAC Damper Position Sensor	11	Body
B11E6	Right HVAC Damper Position Sensor	11	Body
B11E7	Air Distribution Damper Position Sensor	12	Body
B11E8	ABS Power Supply	12	Body
B11E9	Left Rear Door Ajar Switch	11	Body
B11EA	Right Rear Door Ajar Switch	11	Body
B11EB	Rear HVAC Temperature Control Input	10	Body
B11EC	Automatic temperature control module - Blower control module input	11	Body
B11ED	Internal low frequency drive circuit failure	10	Body
B11EE	Power Liftgate Pinch Sensor Right-Circuit Short to Ground	9	Body
B11EF	Sensor Ground B	9	Body
B11F0	Air intake damper position sensor	14	Body
B1200	Climate Control Pushbutton Circuit Failure	32	Body
B1201	Fuel Sender Circuit Failure	32	Body
B1202	Fuel Sender Circuit Open	28	Body
B1203	Fuel Sender Circuit Short To Ground	30	Body
B1204	Fuel Sender Circuit Short To Battery	22	Body
B1205	Instrument cluster ECU failure	22	Body
B1206	Head-up display electronic control unit failure	21	Body
B1207	Blind spot monitoring function configuration fault	25	Body
B1208	Parking assist function configuration fault	23	Body
B1209	Vehicle distance warning function or adaptive cruise control function information failure	22	Body
B120A	Passenger Seat Cushion Temperature Sensor	17	Body
B120B	Passenger Seat Back Temperature Sensor	15	Body
B120D	Frontal damage check required	13	Body
B120E	Right thermal electric device control	16	Body
B120F	Driver Seatbelt Pretensioner Igniter Connecting to Battery	13	Body
B1210	Right Front Exterior Antenna	24	Body
B1211	Driver safety belt retractor pretensioner deployment control	24	Body
B1212	Driver Seatbelt Buckle Pretensioner Deployment Control	21	Body
B1213	PTC heating component fault	22	Body
B1214	Passenger Seatbelt Retractor Pretensioner Deployment Control	21	Body
B1215	External Memory Card	22	Body
B1216	Tailgate latch close microswitch	19	Body
B1217	Passive Key-in Ignition Output	19	Body
B1218	No data flow in electronic stability program	18	Body
B1219	Semi-automatic parking system electric power steering (EPS) status information failure	19	Body
B121A	Keypad Illumination Output	16	Body
B121B	IGBT 2 drive function failure	12	Body
B121D	Rear HVAC Mode Control Input	15	Body
B121E	Mute Switch	11	Body
B121F	Automatic vehicle speed adjustment request status and received information failure	11	Body
B1220	Hydraulic Proportional Valve	22	Body
B1221	Internal left front parking assist sensor failure	23	Body
B1222	External left front parking assist sensor failure	22	Body

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