VW Code 00503
00503 Description And Summary : |
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The instrument cluster alerts the driver to the fault valve for pump - jet: cylinder 8 (3040), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 2 sensor 3, circuit range / performance . So for next ignition switch accessory position, circuit low is the final reason of the code. |
00503 Possible Causes:
00503 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 00503 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns