P0520 Chevrolet Engine Oil Pressure Sensor/Switch Circuit Malfunction

P0520 Chevrolet Engine Oil Pressure Sensor/Switch Circuit Malfunction Possible causes – Low oil level or motor mechanical fault– Faulty oil pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0520 Chevrolet is detected when the circuit from oil pressure sensor to…

P0521 Chevrolet Engine Oil Pressure Sensor/Switch Circuit Range/Performance

P0521 Chevrolet Engine Oil Pressure Sensor/Switch Circuit Range/Performance Possible causes – Low oil level or motor mechanical fault– Faulty oil pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0521 Chevrolet is detected when the signal sent from oil pressure sensor…

P0522 Chevrolet Engine Oil Pressure Sensor Circuit Low Voltage

P0522 Chevrolet Engine Oil Pressure Sensor Circuit Low Voltage Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0522 Chevrolet is set when the Powertrain Control Module (PCM) senses…

P0523 Chevrolet Engine Oil Pressure Sensor/Switch Circuit High Voltage

P0523 Chevrolet Engine Oil Pressure Sensor/Switch Circuit High Voltage Possible causes – Low oil level or motor mechanical fault– Faulty Oil Pressure sensor– Oil Pressure Sensor harness is open or shorted– Oil Pressure Sensor circuit poor electrical connection What about the obd code? The P0523 Chevrolet is detected when the signal sent from oil pressure…

P0514 Chevrolet Temperature Sensor Rationality

P0514 Chevrolet Temperature Sensor Rationality Possible causes – Faulty Battery Temperature Sensor– Battery Temperature Sensor harness is open or shorted– Battery Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine overheating P0514 Chevrolet Description The Battery Temperature Sensor (BTS) is attached to the battery tray located…

P0515 Chevrolet Battery Temperature Sensor Circuit

P0515 Chevrolet Battery Temperature Sensor Circuit OBD Code: System: Subsystem:  P0515 Chevrolet – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Battery Temperature Sensor Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description:

P0516 Chevrolet Battery Temperature Sensor Circuit Low

P0516 Chevrolet Battery Temperature Sensor Circuit Low Possible causes – Faulty Battery Temperature Sensor– Battery Temperature Sensor harness is open or shorted– Battery Temperature Sensor circuit poor electrical connection What about the obd code? Battery temperature sensor output value is 0.2 V or less for 0.5 seconds or more with the ignition switch ON Symptoms…

P0517 Chevrolet Battery Temperature Sensor Circuit High

P0517 Chevrolet Battery Temperature Sensor Circuit High Possible causes – Faulty Battery Temperature Sensor– Battery Temperature Sensor harness is open or shorted– Battery Temperature Sensor circuit poor electrical connection What about the obd code? Battery temperature sensor output value is 4.8 V or more for 0.5 seconds or more with the ignition switch ON Symptoms…

P0518 Chevrolet Idle Air Control Circuit Intermittent

P0518 Chevrolet Idle Air Control Circuit Intermittent Possible causes – Faulty Idle Air Control Valve– Vacuum leak– Idle Air Control Valve harness is open or shorted– Idle Air Control Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0513 Chevrolet Incorrect Immobilizer Key

P0513 Chevrolet Incorrect Immobilizer Key Possible causes – Deterrent key not programmed to vheicle– Faulty Deterrent key– Fualty ignition switch– Poor electrical connection for Deterrent circuit components Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No or hard engine start situation P0513 Chevrolet Description The Engine Control Module (ECM), the Powertrain Interface…

P0510 Chevrolet Closed Throttle Position Switch Malfunction

P0510 Chevrolet Closed Throttle Position Switch Malfunction Possible causes – Throttle Position Switch (TPS) Adjustment– Faulty Throttle Position Switch (TPS)– Throttle Position Switch (TPS) harness open or shorted– Throttle Position Switch (TPS) circuit poor electrical connection Tech description Adjusting the Throttle Position Switch (TPS) may take care of the problem, if the problem persist the…

P0511 Chevrolet Idle Control System Malfunction

P0511 Chevrolet Idle Control System Malfunction Possible causes – Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve harness is open or shorted– Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve circuit poor electrical connection– Faulty Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve What about the obd code? The P0511 Chevrolet code…

P0512 Chevrolet Starter Request Circuit

P0512 Chevrolet Starter Request Circuit Possible causes – Open or short circuit condition– Poor electrical connection Tech description For models the P0512 Chevrolet code could be triggered by the immobilizer system. The immobilizer system is not receiving the signal from the antenna ring, replacing the antenna ring and clear the code usually takes care of…

P0509 Chevrolet Idle Air Control System Circuit High

P0509 Chevrolet Idle Air Control System Circuit High 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…

P050A Chevrolet Cold Start Idle Air Control System Performance

P050A Chevrolet Cold Start Idle Air Control System Performance OBD Code: System: Subsystem:  P050A Chevrolet – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cold Start Idle Air Control System Performance Location: Analysis: Possible Causes:       Tech description:

P050B Chevrolet Cold Start Ignition Timing Performance

P050B Chevrolet Cold Start Ignition Timing Performance OBD Code: System: Subsystem:  P050B Chevrolet – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cold Start Ignition Timing Performance Location: Analysis: Possible Causes:       Tech description:

P050C Chevrolet Cold Start Engine Coolant Temperature (ECT) Performance

P050C Chevrolet Cold Start Engine Coolant Temperature (ECT) Performance OBD Code: System: Subsystem:  P050C Chevrolet – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cold Start Engine Coolant Temperature (ECT) Performance Location: Analysis: Possible Causes:       Tech description:

P050D Chevrolet Cold Start Rough Idle

P050D Chevrolet Cold Start Rough Idle OBD Code: System: Subsystem:  P050D Chevrolet – (ASE)  Powertrain  Vehicle Speed Control, Idle Controls, and Auxiliary Inputs Trouble Code Description: Cold Start Rough Idle Location: Analysis: Possible Causes:       Tech description:

P0504 Chevrolet Brake Switch Circuit A / B Correlation

P0504 Chevrolet Brake Switch Circuit A / B Correlation Possible causes – Faulty stop lamp switch– Blown stop lamp bulb– Brake switch harness open or shorted– Brake switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0504 Chevrolet Description In addition to turning on the stop lamp, the…

P0505 Chevrolet Idle Air Control System

P0505 Chevrolet Idle Air Control System Possible causes – Electronic Throttle Control System (ETCS).– Air induction system– PCV hose connection What about the obd code? The ECM regulates the idle speed by opening and closing the throttle valve using the ETCS. The ECM concludes that the idle speed control ECM function is malfunctioning if: 1)…