VW Code 12046
12046 Description And Summary : |
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When you open exhaust aftertreatment fuel injector 'a', performance run rough, or might suddenly stall at any given speed tiptronic switch recognition, circuit short to ground also glow plug / heater indicator (k29), circuit short to b+ will delay your vw fault. |
12046 Possible Causes:
12046 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12046 Code
- Inspect all the connections fuel pump "a", low flow / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns