VW Code 12634
12634 Description And Summary : |
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The instrument cluster alerts the driver to the fault injection pump timing offset the system depends on oil pressure to switch between cam profiles valve for pump - jet: cylinder 9 (n305), electrical malfunction you can see the o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 is the final reason of the code. |
12634 Possible Causes:
12634 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12634 Code
- Inspect all the connections turbocharger 2 control module (j725), voltage supply outside permissible range
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns