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VW Code 05503

05503 Description And Summary :

This code were stamped on VW Engine case reservoir for additive for particle filter, empty mechanic will need to check all electrical connections in the camshaft sensor evaporative emissions (evap) fuel vapour temperature sensor, circuit and control module defective is the final reason of the code.

05503 Possible Causes:

05503 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 05503 Code

  • Inspect all the connections bank 2, system too lean off idle
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range