Chevrolet · GMC · Holden · Buick — fault codes starting with C0

Fault codes

487

Block

C0

Make group

Chevrolet · GMC · Holden · Buick

Source language

English

The 487 Chevrolet · GMC · Holden · Buick fault codes that start with C0, with descriptions.

C00

Code	Description
C0056	Rear wheel speed sensor (both wheels) circuit range/performance
C0057	Rear wheel speed sensor (both wheels) circuit low
C0058	Rear wheel speed sensor (both wheels) circuit high
C0059	Rear wheel speed sensor (both wheels) circuit open
C0066	Left ABS solenoid/motor #2 circuit range/performance
C0067	Left ABS solenoid/motor #2 circuit low
C0070	Right ABS solenoid/motor #1 circuit malfunction
C0080	Left Rear ABS solenoid/motor #1 circuit malfunction
C0087	Left Rear ABS solenoid/motor #2 circuit low
C0088	Left Rear ABS solenoid/motor #2 circuit high

C01

Code	Description
C0100	Rear ABS (both wheels) solenoid/motor #1 circuit malfunction
C0101	Rear ABS (both wheels) solenoid/motor #1 circuit range/performance
C0102	Rear ABS (both wheels) solenoid/motor #1 circuit low
C0103	Rear ABS (both wheels) solenoid/motor #1 circuit high
C0104	Rear ABS (both wheels) solenoid/motor #1 circuit open
C0105	Rear ABS (both wheels) solenoid/motor #2 circuit malfunction
C0106	Rear ABS (both wheels) solenoid/motor #2 circuit range/performance
C0107	Rear ABS (both wheels) solenoid/motor #2 circuit low
C0108	Rear ABS (both wheels) solenoid/motor #2 circuit high
C0109	Rear ABS (both wheels) solenoid/motor #2 circuit open
C0111	Pump motor circuit range/performance
C0112	Pump motor circuit low
C0113	Pump motor circuit high
C0114	Pump motor circuit open
C0115	Pump motor malfunction
C0116	Pump motor relay circuit malfunction
C0117	Pump motor relay circuit range/performance
C0118	Pump motor relay circuit low
C0119	Pump motor relay circuit high
C0120	Pump motor relay circuit open
C0122	Valve relay circuit range/performance
C0123	Valve relay circuit low
C0124	Valve relay circuit high
C0125	Valve relay circuit open
C0126	Low brake fluid circuit malfunction
C0127	Low brake fluid circuit range/performance
C0128	Low brake fluid circuit low
C0129	Low brake fluid circuit high
C0130	Low brake fluid circuit open
C0131	ABS/TCS system pressure circuit malfunction; Traction Control System Pressure Circuit Calibration Not Learned; Traction Control System Pressure Circuit Not Plausible
C0132	ABS/TCS system pressure circuit range/performance
C0133	ABS/TCS system pressure circuit low
C0134	ABS/TCS system pressure circuit high
C0135	ABS/TCS system pressure circuit open
C0136	Base brake system pressure circuit malfunction
C0137	Base brake system pressure circuit range/performance
C0138	Base brake system pressure circuit low
C0139	Base brake system pressure circuit high
C0140	Base brake system pressure circuit open
C0141	LH TCS solenoid/motor #1 circuit malfunction
C0142	LH TCS solenoid/motor #1 circuit range/performance
C0143	LH TCS solenoid/motor #1 circuit low
C0144	LH TCS solenoid/motor #1 circuit high
C0145	LH TCS solenoid/motor #1 circuit open
C0146	LH TCS solenoid/motor #2 circuit malfunction
C0147	LH TCS solenoid/motor #2 circuit range/performance
C0148	LH TCS solenoid/motor #2 circuit low
C0149	LH TCS solenoid/motor #2 circuit high
C0150	LH TCS solenoid/motor #2 circuit open
C0151	RH TCS solenoid/motor #1 circuit malfunction
C0152	RH TCS solenoid/motor #1 circuit range/performance
C0153	RH TCS solenoid/motor #1 circuit low
C0154	RH TCS solenoid/motor #1 circuit high
C0155	RH TCS solenoid/motor #1 circuit open
C0156	RH TCS solenoid/motor #2 circuit malfunction
C0157	RH TCS solenoid/motor #2 circuit range/performance
C0158	RH TCS solenoid/motor #2 circuit low
C0159	RH TCS solenoid/motor #2 circuit high
C0160	RH TCS solenoid/motor #2 circuit open
C0162	ABS/TCS brake switch circuit range/performance
C0163	ABS/TCS brake switch circuit low
C0164	ABS/TCS brake switch circuit high
C0165	ABS/TCS brake switch circuit open
C0166	TCS priming line valve circuit malfunction
C0167	TCS priming line valve circuit range/performance
C0168	TCS priming line valve circuit low
C0169	TCS priming line valve circuit high
C0170	TCS priming line valve circuit open
C0171	TCS pilot valve circuit malfunction
C0172	TCS pilot valve circuit range/performance
C0173	TCS pilot valve circuit low
C0174	TCS pilot valve circuit high
C0175	TCS pilot valve circuit open
C0176	System thermal malfunction; Control Module Temperature Sensor High Temperature
C0177	System thermal range/performance
C0178	System thermal low
C0179	System thermal high
C0180	System thermal open
C0181	Throttle reduction motor circuit malfunction
C0182	Throttle reduction motor circuit range/performance
C0183	Throttle reduction motor circuit low
C0184	Throttle reduction motor circuit high
C0185	Throttle reduction motor circuit open
C0187	Lateral accelerometer circuit range/performance
C0188	Lateral accelerometer circuit low
C0189	Lateral accelerometer circuit high
C018B	Multi-Axis Acceleration Sensor Signal Not Plausible
C0190	Lateral accelerometer circuit open
C0191	4wd/AWD reference accelerometer circuit malfunction
C0192	4wd/AWD reference accelerometer circuit range/performance
C0193	4wd/AWD reference accelerometer circuit low
C0194	4wd/AWD reference accelerometer circuit high
C0195	4wd/AWD reference accelerometer circuit open
C0198	Yaw rate circuit low
C0199	Yaw rate circuit high
C019B	Yaw Rate Signal Not Plausible

C02

Code	Description
C0201	ABS enable relay contact circuit malfunction
C0202	ABS enable relay contact circuit range/performance
C0203	ABS enable relay contact circuit low
C0204	ABS enable relay contact circuit high
C0206	ABS enable relay coil circuit malfunction
C0207	ABS enable relay coil circuit range/performance
C0208	ABS enable relay coil circuit low
C0209	ABS enable relay coil circuit high
C0211	Left ESB malfunction
C0212	Left ESB will not hold motor
C0213	Right ESB malfunction
C0214	Right ESB will not hold motor
C0216	Rear ESB (both wheels) will not hold motor
C0217	Left ABS channel will not move
C0218	Right ABS channel will not move
C0219	Rear ABS channel will not move
C0220	Left ABS channel in release too long
C0221	Right ABS channel in release too long
C0222	Rear ABS channel in release too long
C0223	Left ABS channel motor free spins
C0224	Right ABS channel motor free spins
C0225	Rear ABS channel motor free spins
C0226	Left TCS channel will not move
C0227	Right TCS channel will not move
C0228	Left Rear ABS channel in release too long
C0229	Right Rear ABS channel in release too long
C0230	Left TCS channel motor free spins
C0231	Right TCS channel motor free spins
C0232	EBCM turned on red brake warning lamp
C0233	Open brake switch contacts during deceleration
C0234	Open brake switch contacts when ABS was required
C0235	C0233 or C0234 set in previous or current ignition cycle
C0236	TCS RPM signal circuit malfunction
C0237	TCS throttle position signal malfunction
C0238	TCS throttle position sensor comparison malfunction
C0239	TCS spark retard monitoring malfunction
C0240	PCM traction control not allowed
C0241	PCM indicated requested torque malfunction
C0242	PCM indicated TCS malfunction
C0243	Engine drag control malfunction
C0244	PWM delivered torque malfunction
C0246	Invalid Data Received From Electronic Brake Control Module Malfunction
C0247	MSVA1 actuator fault (ohmic)
C0248	MSVA1 actuator fault (command vs. feedback current)
C0249	Left normal force fault
C0250	Right normal force fault
C0251	RTD indicated fault
C0252	ABC sensors uncorrelated
C0253	Centering fault
C0254	Steering sensor/lateral accelerometer bias fault
C0255	TCM to ABS/TC PWM signal malfunction
C0256	Valve relay contact circuit malfunction
C0257	Valve relay contact circuit range/performance
C0258	Valve relay contact circuit low
C0259	Valve relay contact circuit high
C0260	Valve relay contact circuit open
C0261	Valve relay coil circuit malfunction
C0262	Valve relay coil circuit range/performance
C0263	Valve relay coil circuit low
C0264	Valve relay coil circuit high
C0268	Class 2 data error reported
C0269	Class 2 data invalid
C0277	Brake Pedal Position Sensor Circuit Low Voltage/Open; Brake Pedal Position Sensor Circuit High Voltage; Brake Pedal Position Sensor Circuit Too Fast Transitions; Brake Pedal Position Sensor Circuit Calibration Not Learned
C027B	Low Brake Pedal Feel After Master Cylinder Repairs
C0280	Stability System Active Too Long
C0287	Longitudinal Acceleration Sensor Circuit Calibration Not Learned; Longitudinal Acceleration Sensor Circuit Not Plausible
C0297	Brake Applied Output Circuit Short to Ground; Brake Applied Output Circuit

C03

Code	Description
C0301	Rear propshaft signal circuit range/performance
C0302	Rear propshaft signal circuit low
C0303	Rear propshaft signal circuit high
C0304	Rear propshaft signal circuit open
C0306	Motor A/B circuit malfunction
C0307	Motor A/B circuit range/performance
C0308	Motor A/B circuit low
C0309	Motor A/B circuit high
C0310	Motor A/B circuit open
C0311	Motor ground circuit malfunction
C0312	Motor ground circuit range/performance
C0313	Motor ground circuit low
C0314	Motor ground circuit high
C0315	Motor ground circuit open
C0316	Motor circuit malfunction
C0317	Motor circuit range/performance
C0318	Motor circuit low
C0319	Motor circuit high
C0320	Motor circuit open
C0321	Transfer case lock circuit malfunction
C0322	Transfer case lock circuit range/performance
C0323	Transfer case lock circuit low
C0324	Transfer case lock circuit high
C0325	Transfer case lock circuit open
C0326	Transfer case lock system malfunction
C0328	Encoder circuit range/performance
C0329	Encoder circuit low
C0330	Encoder circuit high
C0331	Encoder circuit open
C0332	Encoder power circuit low
C0333	Encoder ground circuit high
C0334	Encoder channel P input circuit malfunction
C0335	Encoder channel P input circuit range/performance
C0336	Encoder channel P input circuit low
C0337	Encoder channel P input circuit high
C0338	Encoder channel P input circuit open
C0339	Encoder channel C input circuit malfunction
C0341	Encoder channel C input circuit low
C0342	Encoder channel C input circuit high
C0343	Encoder channel C input circuit open
C0344	Encoder channel B input circuit malfunction
C0345	Encoder channel B input circuit range/performance
C0346	Encoder channel B input circuit low
C0347	Encoder channel B input circuit high
C0348	Encoder channel B input circuit open
C0349	Encoder channel A input circuit malfunction
C0350	Encoder channel A input circuit range/performance
C0351	Encoder channel A input circuit low
C0352	Encoder channel A input circuit high
C0353	Encoder channel A input circuit open
C0354	Park switch circuit malfunction
C0355	Park switch circuit range/performance
C0356	Park switch circuit low
C0357	Park switch circuit high
C0358	Park switch circuit open
C0359	4LO discrete output circuit malfunction
C0360	4LO discrete output circuit range/performance
C0361	4LO discrete output circuit low
C0362	4LO discrete output circuit high
C0363	4LO discrete output circuit open
C0364	Front axle control circuit malfunction
C0365	Front axle control circuit range/performance
C0366	Front axle control circuit low
C0367	Front axle control circuit high
C0368	Front axle control circuit open
C0369	ATC relay circuit malfunction
C0370	ATC relay circuit range/performance
C0371	ATC relay circuit low
C0372	ATC relay circuit high
C0373	ATC relay circuit open
C0375	Intermittent system malfunction
C0376	Front/Rear propshaft speed mismatch detected
C0377	Front/Rear propshaft speed mismatch intermittent
C0378	Front axle switch circuit malfunction
C0379	Front axle system malfunction
C0380	Mode switch power circuit low
C0381	Motor system malfunction
C0382	4LO discrete input circuit malfunction
C0383	4LO discrete input circuit range/performance
C0384	4LO discrete input circuit low
C0385	4LO discrete input circuit high
C0386	4LO discrete input circuit open

C04

Code	Description
C044A	Steering System Engine Speed Signal Circuit Invalid Data
C0451	Steering assist control solenoid/motor/actuator circuit range/performance
C0452	Steering assist control solenoid/motor/actuator circuit low
C0453	Steering assist control solenoid/motor/actuator circuit high
C0454	Steering assist control solenoid/motor/actuator circuit open
C0456	Steering position sensor circuit range/performance; Steering Position Sensor Calibration not Learned
C0457	Steering position sensor circuit low
C0458	Steering position sensor circuit high
C0459	Steering position sensor circuit open
C0461	Steering position sensor range/performance
C0462	Steering position sensor low
C0463	Steering position sensor high
C0464	Steering position sensor open
C0465	Steering rate of change sensor circuit malfunction
C0466	Steering rate of change sensor circuit range/performance
C0467	Steering rate of change sensor circuit low
C0468	Steering rate of change sensor circuit high
C0469	Steering rate of change sensor circuit open
C0470	Steering position & rate of change sensor circuit #1 malfunction
C0471	Steering position & rate of change sensor circuit #1 range/performance
C0472	Steering position & rate of change sensor circuit #1 low
C0473	Steering position & rate of change sensor circuit #1 high
C0474	Steering position & rate of change sensor circuit #1 open
C0475	Electric Steering Motor Circuit Malfunction; Electric Steering Motor Circuit Protection Time-Out
C0476	Electric steering motor circuit range/performance
C0477	Electric steering motor circuit low
C0478	Electric steering motor circuit high
C0479	Electric steering motor circuit open
C047A	Electric Steering Motor Position Sensor Circuit Malfunction
C0480	Electric hydraulic steering motor circuit malfunction
C0481	Electric hydraulic steering motor circuit range/performance
C0482	Electric hydraulic steering motor circuit low
C0483	Electric hydraulic steering motor circuit high
C0484	Electric hydraulic steering motor circuit open
C0485	Electric hydraulic steering temperature sensor circuit malfunction
C0486	Electric hydraulic steering temperature sensor circuit range/performance
C0487	Electric hydraulic steering temperature sensor circuit low
C0488	Electric hydraulic steering temperature sensor circuit high
C0489	Electric hydraulic steering temperature sensor circuit open
C0490	Steering column lock solenoid circuit malfunction
C0491	Steering column lock solenoid circuit range/performance
C0492	Steering column lock solenoid circuit low
C0493	Steering column lock solenoid circuit high
C0494	Steering column lock solenoid circuit open
C0495	EVO tracking error
C0496	Steering assist control solenoid/motor/actuator feed circuit malfunction
C0497	Steering assist control solenoid/motor/actuator feed circuit range/performance
C0498	Steering assist control solenoid/motor/actuator feed circuit low
C0499	Steering assist control solenoid/motor/actuator feed circuit high

C06

Code	Description
C0670	Left combination accel/position sensor circuit malfunction; Left Front Acceleration or Position Sensor Circuit Short to Ground; Left Front Acceleration or Position Sensor Circuit High Voltage/Open; Left Front Acceleration or Position Sensor Circuit Too Slow Transitions
C0671	Left combination accel/position sensor circuit range/performance
C0672	Left combination accel/position sensor circuit low
C0673	Left combination accel/position sensor circuit high
C0674	Left combination accel/position sensor circuit open
C0675	Right combination accel/position sensor circuit malfunction; Right Front Acceleration or Position Sensor Circuit Short to Ground; Right Front Acceleration or Position Sensor Circuit High Voltage/Open; Right Front Acceleration or Position Sensor Circuit Too Slow Transitions
C0676	Right combination accel/position sensor circuit range/performance
C0677	Right combination accel/position sensor circuit low
C0678	Right combination accel/position sensor circuit high
C0679	Right combination accel/position sensor circuit open
C0680	Left Rear combination accel/position sensor circuit malfunction
C0681	Left Rear combination accel/position sensor circuit range/performance
C0682	Left Rear combination accel/position sensor circuit low
C0683	Left Rear combination accel/position sensor circuit high
C0684	Left Rear combination accel/position sensor circuit open
C0685	Right Rear combination accel/position sensor circuit malfunction
C0686	Right Rear combination accel/position sensor circuit range/performance
C0687	Right Rear combination accel/position sensor circuit low
C0688	Right Rear combination accel/position sensor circuit high
C0689	Right Rear combination accel/position sensor circuit open
C0690	Damper control relay circuit malfunction
C0691	Damper control relay circuit range/performance
C0692	Damper control relay circuit low
C0693	Damper control relay circuit high
C0694	Damper control relay circuit open
C0695	Position sensor overcurrent (8 volt supply)
C0696	Position sensor overcurrent (5 volt supply)
C0697	Level control accessory inflator switch circuit malfunction
C0698	Level control accessory inflator switch circuit range/performance
C0699	Level control accessory inflator switch circuit low

C07

Code	Description
C0700	Level control accessory inflator switch circuit high
C0701	Level control accessory inflator switch circuit open
C0702	Level control accessory valve circuit malfunction
C0703	Level control accessory valve circuit range/performance
C0704	Level control accessory valve circuit low
C0705	Level control accessory valve circuit high
C0706	Level control accessory valve circuit open
C0707	Excessive compressor activity
C0708	Excessive compressor exhaust valve activity
C0709	Excessive compressor activity, vehicle moving
C0711	Level control air pressure sensor circuit malfunction
C0720	Engine Torque Management Feedback Signal Invalid Data
C0751	Left low tire pressure sensor range/performance
C0752	Left low tire pressure sensor low
C0753	Left low tire pressure sensor high
C0754	Left low tire pressure sensor circuit open
C0755	Right low tire pressure sensor malfunction; Right Front Tire Pressure Sensor Low Voltage; Right Front Tire Pressure Sensor Too Few Pulses; Right Front Tire Pressure Sensor Internal Malfunction
C0756	Right low tire pressure sensor range/performance
C0757	Right low tire pressure sensor low
C0758	Right low tire pressure sensor high
C0759	Right low tire pressure sensor circuit open
C0760	Left Rear low tire pressure sensor malfunction; Left Rear Tire Pressure Sensor Low Voltage; Left Rear Tire Pressure Sensor Too Few Pulses; Left Rear Tire Pressure Sensor Internal Malfunction
C0761	Left Rear low tire pressure sensor range/performance
C0762	Left Rear low tire pressure sensor low
C0763	Left Rear low tire pressure sensor high
C0764	Left Rear low tire pressure sensor circuit open
C0766	Right Rear low tire pressure sensor range/performance
C0767	Right Rear low tire pressure sensor low
C0769	Right Rear low tire pressure sensor circuit open
C0770	Left tire pressure low
C0771	Right tire pressure low
C0772	Left Rear tire pressure low
C0773	Right Rear tire pressure low
C0774	Low tire pressure system malfunction
C0775	Tire Pressure Monitoring System Sensors Malfunction
C0776	Low tire pressure system transmitter synchronization failure
C0777	Low tire pressure system transmitter ID invalid
C0778	TIM switch circuit malfunction
C0779	TIM signal fault
C078A	Tire Pressure Indicator Module Internal Malfunction

C08

Code	Description
C0801	Device power #1 (low current #1) circuit range/performance
C0802	Device power #1 (low current #1) circuit low
C0803	Device power #1 (low current #1) circuit high
C0804	Device power #1 (low current #1) circuit open
C0805	Device power #2 (low current #2) circuit malfunction
C0806	Device power #2 (low current #2) circuit range/performance
C0807	Device power #2 (low current #2) circuit low
C0808	Device power #2 (low current #2) circuit high
C0809	Device power #2 (low current #2) circuit open
C0810	Device power #3 (high current #1) circuit malfunction
C0811	Device power #3 (high current #1) circuit range/performance
C0812	Device power #3 (high current #1) circuit low
C0813	Device power #3 (high current #1) circuit high
C0814	Device power #3 (high current #1) circuit open
C0815	Device power #4 (high current #2) circuit malfunction
C0816	Device power #4 (high current #2) circuit range/performance
C0817	Device power #4 (high current #2) circuit low
C0818	Device power #4 (high current #2) circuit high
C0819	Device power #4 (high current #2) circuit open
C0820	Device ground #1 (chassis gnd #1) circuit malfunction
C0821	Device ground #1 (chassis gnd #1) circuit range/performance
C0822	Device ground #1 (chassis gnd #1) circuit low
C0823	Device ground #1 (chassis gnd #1) circuit high
C0824	Device ground #1 (chassis gnd #1) circuit open
C0825	Device ground #2 (chassis gnd #2) circuit malfunction
C0826	Device ground #2 (chassis gnd #2) circuit range/performance
C0827	Device ground #2 (chassis gnd #2) circuit low
C0828	Device ground #2 (chassis gnd #2) circuit high
C0829	Device ground #2 (chassis gnd #2) circuit open
C0830	Device ground #3 (signal gnd #1) circuit malfunction
C0831	Device ground #3 (signal gnd #1) circuit range/performance
C0832	Device ground #3 (signal gnd #1) circuit low
C0833	Device ground #3 (signal gnd #1) circuit high
C0834	Device ground #3 (signal gnd #1) circuit open
C0835	Device ground #4 (signal gnd #2) circuit malfunction
C0836	Device ground #4 (signal gnd #2) circuit range/performance
C0837	Device ground #4 (signal gnd #2) circuit low
C0838	Device ground #4 (signal gnd #2) circuit high
C0839	Device ground #4 (signal gnd #2) circuit open
C0840	Device ignition 0 (UNLOCK/ON/START) circuit malfunction
C0841	Device ignition 0 (UNLOCK/ON/START) circuit range/performance
C0842	Device ignition 0 (UNLOCK/ON/START) circuit low
C0843	Device ignition 0 (UNLOCK/ON/START) circuit high
C0844	Device ignition 0 (UNLOCK/ON/START) circuit open
C0845	Device ignition 1 (ON/START) circuit malfunction
C0846	Device ignition 1 (ON/START) circuit range/performance
C0847	Device ignition 1 (ON/START) circuit low
C0848	Device ignition 1 (ON/START) circuit high
C0849	Device ignition 1 (ON/START) circuit open
C0850	Device ignition 3 (ON) circuit malfunction
C0851	Device ignition 3 (ON) circuit range/performance
C0852	Device ignition 3 (ON) circuit low
C0853	Device ignition 3 (ON) circuit high
C0854	Device ignition 3 (ON) circuit open
C0855	Device ignition ACC circuit malfunction
C0856	Device ignition ACC circuit range/performance
C0857	Device ignition ACC circuit low
C0858	Device ignition ACC circuit high
C0859	Device ignition ACC circuit open
C0860	Device ignition START circuit malfunction
C0861	Device ignition START circuit range/performance
C0862	Device ignition START circuit low
C0863	Device ignition START circuit high
C0864	Device ignition START circuit open
C0865	Device voltage reference input #1 circuit malfunction
C0866	Device voltage reference input #1 circuit range/performance
C0867	Device voltage reference input #1 circuit low
C0868	Device voltage reference input #1 circuit high
C0869	Device voltage reference input #1 circuit open
C0870	Device voltage reference output #1 circuit malfunction; Control Module Voltage Reference Output Circuit Low Voltage; Control Module Voltage Reference Output Circuit High Voltage
C0871	Device voltage reference output #1 circuit range/performance
C0872	Device voltage reference output #1 circuit low
C0873	Device voltage reference output #1 circuit high
C0874	Device voltage reference output #1 circuit open
C0875	Device voltage reference input #2 circuit malfunction
C0876	Device voltage reference input #2 circuit range/performance
C0877	Device voltage reference input #2 circuit low
C0878	Device voltage reference input #2 circuit high
C0879	Device voltage reference input #2 circuit open
C0880	Device voltage reference output #2 circuit malfunction
C0881	Device voltage reference output #2 circuit range/performance
C0882	Device voltage reference output #2 circuit low
C0883	Device voltage reference output #2 circuit high
C0884	Device voltage reference output #2 circuit open
C0885	Device voltage reference input #3 circuit malfunction
C0886	Device voltage reference input #3 circuit range/performance
C0887	Device voltage reference input #3 circuit low
C0888	Device voltage reference input #3 circuit high
C0889	Device voltage reference input #3 circuit open
C0890	Device voltage reference output #3 circuit malfunction; Control Module Voltage Reference Output 3 Circuit Low Voltage; Control Module Voltage Reference Output 3 Circuit High Voltage
C0891	Device voltage reference output #3 circuit range/performance
C0892	Device voltage reference output #3 circuit low
C0893	Device voltage reference output #3 circuit high
C0894	Device voltage reference output #3 circuit open
C0895	Device voltage malfunction
C0896	Device voltage range/performance
C0897	Device power moding malfunction
C0898	Device power and/or ground circuit malfunction
C0899	Device #1 voltage low

C09

Code	Description
C0900	Device #1 voltage high
C0901	Device #2 voltage low
C0902	Device #2 voltage high
C0903	Ignition-switched power relay #1 circuit malfunction
C0904	Ignition-switched power relay #1 circuit range/performance
C0905	Ignition-switched power relay #1 circuit low
C0906	Ignition-switched power relay #1 circuit high
C0907	Ignition-switched power relay #1 circuit open
C0908	Ignition-switched power relay #2 circuit malfunction
C0909	Ignition-switched power relay #2 circuit range/performance
C0910	Ignition-switched power relay #2 circuit low
C0911	Ignition-switched power relay #2 circuit high
C0912	Ignition-switched power relay #2 circuit open
C0913	Intermittent device voltage range/performance

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Makes that use these codes

• Chevrolet36 models
• GMC13 models
• Holden10 models
• Buick10 models
• Daewoo9 models
• Pontiac9 models
• Cadillac6 models
• Saturn6 models
• Oldsmobile4 models
• Hummer2 models

Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.