Possible causes – Faulty Skip Shift Lamp– Skip Shift Lamp harness is open or shorted– Skip Shift Lamp circuit poor electrical connection When is the obd code mean? When the Powertrain Control Module (PCM) commands the control circuit to a component OFF, the voltage potential of the circuit should be high (near battery voltage). If…
Tag: CHEVROLET
P0803 CHEVROLET Skip Shift Solenoid Control Circuit
Possible causes – Faulty Skip Shift Solenoid– Skip Shift Solenoid harness is open or shorted– Skip Shift Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0803 CHEVROLET OBD Code Description An ignition voltage is supplied to the Skip Shift solenoid coil. The Powertrain Control Module (PCM) controls…
P0300 CHEVROLET Cylinder Misfire Detected Random Cylinders
Possible causes – Faulty spark plug (s) – Faulty ignition coil (s) – Clogged or faulty fuel injector (s)– Intake air leak– Fuel injectors harness is open or shorted– Fuel Injectors circuit poor electrical connection– Ignition coils harness is open or shorted– Ignition coils circuit poor electrical connection– Insufficient cylinders compression– Incorrect fuel pressure Tech…
P0159 CHEVROLET HO2S22 slow response sensor
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the O2 Sensor 2 usually takes…
P0160 CHEVROLET O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…
P0157 CHEVROLET HO2S Circuit Low Voltage Bank 2 Sensor 2
Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…
C0235 CHEVROLET Open Or Grounded Rear Speed Signal Circuit
Possible causes – Faulty Rear Speed Sensor– Rear Speed Sensor harness is open or shorted– Rear Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0235 CHEVROLET OBD Code Description
C0236 CHEVROLET Missing Rear Speed Sensor Signal
Possible causes – Faulty Rear Speed Sensor– Rear Speed Sensor harness is open or shorted– Rear Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0236 CHEVROLET OBD Code Description
C0237 CHEVROLET Erratic Rear Speed Signal
Possible causes – Faulty Rear Speed Sensor– Rear Speed Sensor harness is open or shorted– Rear Speed Sensor circuit poor electrical connection– Faulty EBCM Symptoms – ABS Warning Light ON C0237 CHEVROLET OBD Code Description
C0055 CHEVROLET Rear Wheel Speed Sensor Circuit
Possible causes – Faulty Rear Wheel Speed Sensor– Rear Wheel Speed Sensor harness is open or shorted– Rear Wheel Speed Sensor circuit poor electrical connection Symptoms – Antilock Brake System (ABS) warning light ON C0055 CHEVROLET OBD Code Description