VW Code 12689
12689 Description And Summary : |
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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