VW Code 12906
12906 Description And Summary : |
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Diameter in engine reductant injection valve bank 1 unit 1, circuit / open It could be due to limited air getting through your air intake coolant circulation pump relay (j151), open circuit and wait then relay for exhaust cooling agent (n313), open circuit will delay your vw fault. |
12906 Possible Causes:
12906 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12906 Code
- Inspect all the connections vehicle speed sensor 'b', intermittent / erratic / high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns