Tag: CHEVROLET

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The AIR Pressure Sensor is reporting a pressure greater than or less than expected during the system monitor test Symptoms – Engine Light ON (or Service Engine…

Possible causes – Faulty AIR Pressure Sensor– AIR Pressure Sensor harness is open or shorted– AIR Pressure Sensor circuit poor electrical connection When is the obd code mean? The PCM has detected a high voltage condition on the AIR Pressure Sensor signal circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2433…

Possible causes – Dirty throttle body– Electric throttle control actuator misadjusted or damaged– Faulty Electric throttle control actuator– Intake air leak– Poor electrical connection to the Intake Air Control (IAC) valve Tech description If there are no intake leaks, clean throttle body, adjust engine idle and erase engine code. If the code comes back you…

Possible causes – EGR passage clogged– Faulty EGR Valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection Tech description EGR flow malfunction could be caused by a clogged EGR valve or EGR tube. Before replacing any parts try cleaning the EGR valve, tube and passages. When is the…

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…