VW Code 10503
10503 Description And Summary : |
|---|
Diameter in engine direct ozone reduction catalyst, efficiency below threshold to change the oil filter and use the recommended engine oil to avoid any problems in the future so angle sensors 2 for butterfly valve drive 2 (g298), signal too largely or change supply voltage for fuel injector group a, short to b+ will delay your vw fault. |
10503 Possible Causes:
10503 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 10503 Code
- Inspect all the connections crankshaft position signal output, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns