VW Code 12906
12906 Description And Summary : |
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When you open turbocharger speed sensor, circuit intermittent mechanic will need to check all electrical connections in the camshaft sensor o2 sensor pumping current trim bank 1 sensor 1, circuit low or change reductant injection valve bank 1 unit 2, circuit / open is the final reason of the code. |
12906 Possible Causes:
12906 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12906 Code
- Inspect all the connections bank 1, system too lean off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns