Tag: CHEVROLET

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2432 CHEVROLET OBD Code Description The Secondary Air Injection (AIR) System aids in the reduction of hydrocarbon exhaust emissions during a cold…

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? If the fault detection circuit senses a voltage other than what is expected, the fault line status changes causing the code P0412 to set. Symptoms – Engine…

Possible causes – EGR volume control valve stuck open or closed– Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? An improper voltage signal is sent to Powertrain…

Possible causes – EGR volume control valve stuck open or closed– Faulty EGR volume control solenoid valve– EGR volume control solenoid valve harness is open or shorted– EGR volume control solenoid valve circuit poor electrical connection– EGR temperature sensor and circuit When is the obd code mean? The PCM calculates an error based on the…

Possible causes – Engine Control Module (ECM) Harness power supply circuit is open or shorted– Engine Control Module (ECM) Programming– Faulty Engine Control Module (ECM) Tech description Check the PCM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the PCM….

Possible causes – Engine Control Module (ECM) programm error– Wrong Engine Control Module (ECM)– Faulty Engine Control Module (ECM) Tech description This code means that there may be an internal problem with the Engine Control Module (ECM). Start by checking battery charge and connections. Try clearing the code and re test. Symptoms – Engine Light…

Possible causes – Dirty Oil– Low engine oil level– Faulty Exhaust Camshaft Position Actuator Solenoid– Exhaust Camshaft Position Actuator Solenoid harness is open or shorted– Exhaust Camshaft Position Actuator Solenoid circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description There is a factory service bulletin for the following Chevrolet models: 2004-2009 Chevrolet TrailBlazer2004-2009…

Possible causes – Dirty Oil– Low engine oil level– Faulty Exhaust Camshaft Position Actuator Solenoid– Exhaust Camshaft Position Actuator Solenoid harness is open or shorted– Exhaust Camshaft Position Actuator Solenoid circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0013 CHEVROLET OBD Code Description…

Possible causes – Dirty Oil– Low engine oil level– Faulty Intake Camshaft Position Actuator Solenoid– Intake Camshaft Position Actuator Solenoid harness is open or shorted– Intake Camshaft Position Actuator Solenoid circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? The ECM has detected a fault in the Camshaft Acutator…

Possible causes – Dirty Oil– Low engine oil level– Faulty Intake Camshaft Position Actuator Solenoid– Intake Camshaft Position Actuator Solenoid harness is open or shorted– Intake Camshaft Position Actuator Solenoid circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0011 CHEVROLET OBD Code Description