OBDII Network(U) Codes, OBDii codes, Fault codes , Trouble codes，Error code, diagnostic code,Manufacturer Codes
Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 Description Modules connected to the high speed
Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 GMC Description Modules connected to the high
Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 PONTIAC Description Modules connected to the high
Possible causes – Faulty Electronic Brake Control Module (EBCM) – EBCM harness is open or shorted– EBCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0121 SATURN Description Modules connected to the high
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 BUICK Description Modules connected to the high speed General
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 CADILLAC Description Modules connected to the high speed General
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 CHEVROLET Description Modules connected to the high speed General
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 Description Modules connected to the high speed General Motor
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 GMC Description Modules connected to the high speed General
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 PONTIAC Description Modules connected to the high speed General
Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 SATURN Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 BUICK Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 CADILLAC Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 CHEVROLET Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 Description Modules connected to the high speed General Motor
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 GMC Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 PONTIAC Description Modules connected to the high speed General
Possible causes – Faulty Instrument Panel Module (IPM)– IPM harness is open or shorted– IPM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0141 SATURN Description Modules connected to the high speed General
Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Tech notes There is a factory service bulletin
Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires) Tech notes There is a factory service bulletin