chevrolet OBDii codes, Fault codes , Trouble codes，Error code, diagnostic code,Manufacturer Codes
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1686 CHEVROLET Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Secondary Air Injection check valve bank 2– Secondary Air Injection (AIR) pump electrical circuit fault – Blocked Secondary Air Injection (AIR) system – Faulty Secondary Air Injection (AIR) pump When is the code detected? The P1415 code
Possible causes – Secondary Air Injection check valve bank 2– Secondary Air Injection (AIR) pump electrical circuit fault – Blocked Secondary Air Injection (AIR) system – Faulty Secondary Air Injection (AIR) pump When is the code detected? The P1416 code
Possible causes – Sensor using 5 volt reference line shorted to ground– Circuit short to ground When is the code detected? If the voltage is out of tolerance, the PCM will set DTC P1639. Symptoms – Engine Light ON (or
Possible causes – Trailer towing may set code– Check transmission fluid level– Internal transmission fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1870 CHEVROLET Description Transmission is in 4th gear with Torque Converter Clutch (TCC) engaged
Possible causes – Turbocharger Boost Control Position Sensor harness is open or shorted– Turbocharger Boost Control Position Sensor circuit poor electrical connection– Faulty Turbocharger Boost Control Position Sensor When is the code detected? The ECM has detected a high voltage
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1130 CHEVROLET Description The Heated Oxygen Sensor (HO2S) is monitored for switching. The test fails when the HO2S does not switch due to circuit or fuel at or exceeding
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1131 CHEVROLET Description A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P160C CHEVROLET Description The control functions for the fuel injection system are integrated in the Engine Control Module (ECM). During the manufacturing process, each injector’s flow rate is measured
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) CHEVROLET Technical Service Bulletins for P1631 code 2003 CHEVROLET SSR ENGINE AND ENGINE COOLING:ENGINE 2004 CHEVROLET SSR ENGINE AND ENGINE COOLING:ENGINE
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)