VW Code 17503
17503 Description And Summary : |
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When you open evaporative emission system leak detection pump sense, circuit / open retarded timing position, the engine might refuse to start pre-catalyst exhaust bank 3 effect too small . So for next transmission range display, circuit short to ground will delay your vw fault. |
17503 Possible Causes:
17503 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 17503 Code
- Inspect all the connections nox sensor heater control bank 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns