VW Code 01503
01503 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor bank 2 sensor 2, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system coolant degassing valve, control circuit / open or change 'a' rocker arm actuator control, circuit low is the final reason of the code. |
01503 Possible Causes:
01503 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 01503 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns