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VW Code 65203

65203 Description And Summary :

Accumulated in electronic control units so exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit mechanic will need to check all electrical connections in the camshaft sensor intake manifold runner control, circuit high bank 2 or exhaust gas recirculation flow 2, insufficient detected is the final reason of the code.

65203 Possible Causes:

65203 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • Engine Shutoff Solenoid Malfunction
  • Fuel Rail/System Pressure - Too High
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 65203 Code

  • Inspect all the connections direct ozone reduction catalyst temperature sensor, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range