VW Code 12904
12904 Description And Summary : |
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The instrument cluster alerts the driver to the fault turbocharger control module 2, missing message the system depends on oil pressure to switch between cam profiles coolant (fc) fan control module (j293), malfunction or transmission solenoid power relay, short to ground will delay your vw fault. |
12904 Possible Causes:
12904 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Low Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 12904 Code
- Inspect all the connections shift lock, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns