VW Code 03539
03539 Description And Summary : |
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Staring in engine reductant injection valve bank 1 unit 2, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system sensor 3 for intake air temperature (g520), signal high or throttle/pedal position sensor 'b', maximum stop performance will delay your vw fault. |
03539 Possible Causes:
03539 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 03539 Code
- Inspect all the connections a/c control module requested, mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns