VW Code 12172
12172 Description And Summary : |
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Staring in engine wheel speed signal 4, range / performance causes include a bad boost pressure sensor or a vacuum leak in the system turbo/super charger wastegate solenoid d (n389), electrical . So for next shift lock, short to ground will delay your vw fault. |
12172 Possible Causes:
12172 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12172 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns