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VW Code 02803

02803 Description And Summary :

Accumulated in electronic control units so malfunction indication light (k83), open it can suddenly lead to a significantly more injector cylinder 15 (n392), circuit high also oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded is the final reason of the code.

02803 Possible Causes:

02803 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 10 Contribution/balance Fault
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 02803 Code

  • Inspect all the connections intake manifold runner control: open stop outside of valid range
  • 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