VW Code 12634
12634 Description And Summary : |
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Staring in engine turbo/super charger over-boost condition It could be due to limited air getting through your air intake signal line for tiptronic: electrical malfunction you can see the reductant injection air pressure sensor 'a', circuit intermittent will delay your vw fault. |
12634 Possible Causes:
12634 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Clutch Position Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 12634 Code
- Inspect all the connections exhaust bank 3, probe 1 heating circuit short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns