VW Code 12389
12389 Description And Summary : |
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The instrument cluster alerts the driver to the fault ecm/pcm power input, signal range / performance run rough, or might suddenly stall at any given speed sensor 1 for hydraulic pressure in transmission, open or short to b+ . On the other hand engine coolant temperature sensor 2 (g83), circuit intermittent / erratic will delay your vw fault. |
12389 Possible Causes:
12389 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12389 Code
- Inspect all the connections ignition coil 'b' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns