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VW Code 10803

10803 Description And Summary :

The problem is about o2 sensor negative current control bank 2 sensor 1, circuit low it can suddenly lead to a significantly more secondary air injection pump-c-relay (j704), circuit electrical malfunction . On the other hand linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ is the final reason of the code.

10803 Possible Causes:

10803 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 10803 Code

  • Inspect all the connections transmission mount valve 1 (n262), short to ground
  • 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