VW Code 12046
12046 Description And Summary : |
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Staring in engine linear oxygen sensor exhaust bank 2, compensation wire pump current, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system 'a' rocker arm actuator control, circuit high and reductant injection valve bank 1 unit 2, circuit high will delay your vw fault. |
12046 Possible Causes:
12046 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12046 Code
- Inspect all the connections wheel speed signal 2, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns