P0020 VOLKSWAGEN A Camshaft Position Actuator Circuit Bank 2

Possible causes – Faulty Camshaft Actuator– Dirty engine oil– Camshaft Position Actuator circuit is open or shorted– Camshaft Position Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of power– Engine rough idle

P0390 VOLKSWAGEN Camshaft Position Sensor B Circuit Bank 2

Possible causes – Faulty Camshaft Position Sensor– Camshaft Position Sensor harness is open or shorted– Camshaft Position Sensor circuit poor electrical connection– Faulty starter motor– Starting system circuit– Dead (Weak) battery Tech description Sometimes and in some models, low battery voltage or a weak starter can can trigger a Camshaft Position Sensor code. When is…

P0072 VOLKSWAGEN Ambient Air Temperature Sensor Circuit Low

Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit. Symptoms – Engine…

P0073 VOLKSWAGEN Ambient Air Temperature Sensor Circuit High Input

Possible causes – Faulty ambient air temperature sensor– Ambient air temperature sensor harness is open or shorted– Ambient air temperature sensor circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit. Symptoms – Engine…

P0069 VOLKSWAGEN Manifold Absolute Pressure/Barometric Pressure Correlation Error

Possible causes – Faulty Barometric Pressure (BARO) sensor– Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure sensor harness open or shorted to ground– Manifold Absolute Pressure sensor circuit poor electrical connection– Large vacuum leak When is the obd code mean? The Engine Control Module (ECM) has detected a correlation error between the Barometric Pressure…

P0724 VOLKSWAGEN Brake Switch B Circuit High

Possible causes – Faulty Brake Switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection– Misadjusted Brake Switch When is the obd code mean? The stop light switch does not turn off even once vehicle is driven. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Stop lights may…

P0598 VOLKSWAGEN Thermostat Heater Control Circuit Low

Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. When is the obd code mean? The P0598 is triggered when there is an open or short…

P0599 VOLKSWAGEN Thermostat Heater Control Circuit High

Possible causes – Failed Engine Cooling Thermostat– Engine Cooling Thermostat harness is open or shorted– Engine Cooling Thermostat circuit poor electrical connection Tech description If there are not coolant system leaks, replaced the thermostat to fix the problem. When is the obd code mean? The P0598 is triggered when there is an open or short…

P0645 VOLKSWAGEN A/C Clutch Relay Control Circuit

Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection When is the obd code mean? The P0645 code is stored if an open or short exists in A/C clutch relay control circuit. Symptoms – Engine Light ON (or Service…