Tag: SUBARU

Possible causes – Faulty Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection When is the obd code mean? Vehicle speed over 35 MPH and down to 0 MPH 5 times-No change in brake switch input detected Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0719…

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 – Dirty transmission fluid– Low transmission fluid level– Faulty line pressure solenoid valve ‘A’– Line pressure solenoid valve ‘A’ harness is open or shorted– Line pressure solenoid valve ‘A’ circuit poor electrical connection When is the obd code mean? Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit…

Possible causes – Drive-by-wire control system malfunction– Throttle actuator malfunction– Throttle valve malfunction– PCM malfunction Tech description Dirty or clogged throttle body can triggered the P0638 code. Before replacing any parts try cleaning the throttle body and reset the engine light. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0638 SUBARU OBD…

Possible causes – Engine Control Module (ECM) may be faulty– ECM harness power supply circuit is open or shorted– ECM harness ground circuit is open or shorted 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…

Possible causes – Engine Control Module (ECM) not programed– ECM program– Faulty ECM– Wrong ECM Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0602 SUBARU OBD Code Description This diagnostic trouble code (DTC) indicates a programming error within the Engine Control Module (ECM).

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

Possible causes – Exhaust leak near rear O2 sensor– Faulty rear O2 sensor– Fuel contamination Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2097 SUBARU OBD Code Description The ECM has detected a fault with the downstream O2 sensor

Possible causes – Faulty Air Injection System Diagnosis Solenoid Valve– Air Injection System Diagnosis Solenoid Valve harness is open or shorted– Air Injection System Diagnosis Solenoid Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

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? The DTC P0413 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…