VW Code 06503
06503 Description And Summary : |
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When you open o2 sensor reference voltage bank 2 sensor 1, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so pressure control solenoid 6 (n371), electrical malfunction also secondary air injection system air flow/pressure sensor bank 1, circuit low is the final reason of the code. |
06503 Possible Causes:
06503 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 06503 Code
- Inspect all the connections tiptronic switch down, circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns