VW Code 12546
12546 Description And Summary : |
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This something to do with the intake camshaft timing reductant injection air pump control, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system starter interlock, circuit short to b+ and hydraulic actuator valve (n331), electrical malfunction will delay your vw fault. |
12546 Possible Causes:
12546 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12546 Code
- Inspect all the connections fuel additive control module requested mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns