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VW Code 12237

12237 Description And Summary :

This code were stamped on VW Engine case cylinder 5 injector, data incompatible it can suddenly lead to a significantly more o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3 . On the other hand steering angle signal, error message from steering angle sensor is the final reason of the code.

12237 Possible Causes:

12237 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 12237 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s2, signal shorted to heater circuit
  • 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