P1516 Chevrolet Idle Air Control Solenoid Signal 4 Circuit Low Input

P1516 Chevrolet Idle Air Control Solenoid Signal 4 Circuit Low Input Possible causes – Idle Air Control Solenoid valve harness is open or shorted – Idle Air Control Solenoid valve circuit poor electrical connection – faulty Idle Air Control Solenoid valve Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1516 Chevrolet Description…

P1517 Chevrolet Intake Manifold Runner Control Input Error

P1517 Chevrolet Intake Manifold Runner Control Input Error Possible causes – Intake Manifold Runner Control (IMRC) harness is open or shorted – Intake Manifold Runner Control (IMRC) circuit poor electrical connection – Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…

P1518 Chevrolet Throttle Actuator Control Module Performance

P1518 Chevrolet Throttle Actuator Control Module Performance Possible causes – Dead or weak battery – Poor circuit connection – Check Throttle Actuator Control (TAC) module connector for water – Faulty Throttle Actuator Control (TAC) module What about the obd code? The Engine Control Module (ECM) has detected a loss of data or invalid data from…

P1512 Chevrolet Idle Air Control Solenoid Signal 2 Circuit Low Input

P1512 Chevrolet Idle Air Control Solenoid Signal 2 Circuit Low Input Possible causes – Faulty ISC Solenoid– ISC Solenoid harness is open or shorted– ISC Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1512 Chevrolet Description Idle Speed Control (ISC) Solenoid

P1508 Chevrolet Idle Control System Circuit Open

P1508 Chevrolet Idle Control System Circuit Open Possible causes – Idle Air Control Valve harness is open or shorted– Idle Air Control Valve circuit poor electrical connection– Faulty Idle Air Control Valve Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine rough idle

P1504 Chevrolet Intake Air Control Circuit Malfunction

P1504 Chevrolet Intake Air Control Circuit Malfunction Possible causes – Idle Air Control Valve harness is open or shorted– Idle Air Control Valve circuit poor electrical connection– Faulty Idle Air Control Valve Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1504 Chevrolet Description The Idle Air Control Valve (IACV) is used to…

P1505 Chevrolet Idle Air Control System At Adaptive Clip

P1505 Chevrolet Idle Air Control System At Adaptive Clip Possible causes – Engine Light ON (or Service Engine Soon Warning Light) Tech description – Faulty Idle Speed Control Actuator (ISCA) valve– Idle Speed Control Actuator (ISCA) valve harness is open or shorted– Idle Speed Control Actuator (ISCA) valve circuit poor electrical connection P1505 Chevrolet Description…

P1506 Chevrolet Idle Air Control Overspeed Error

P1506 Chevrolet Idle Air Control Overspeed Error Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Tech description The P1506 Chevrolet code means that the engine idle is out of factory specification. Sometimes the Idle Air…