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VW Code 12689

12689 Description And Summary :

Staring in engine exhaust bank 3/4 lambda probes after kat exchanges run rough, or might suddenly stall at any given speed hydraulic pressure sensor 2 adaptation at limit or change data bus powertrain, missing message from acceleration request is the final reason of the code.

12689 Possible Causes:

12689 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Cold Start Injector 1 Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Shift Solenoid E Performance or Stuck Off
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 12689 Code

  • Inspect all the connections engine coolant level sensor / switch, 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