VW Code 12906
12906 Description And Summary : |
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The problem is about fuel shutoff valve "b" control, circuit low the system depends on oil pressure to switch between cam profiles hydraulic actuator valve (n331), electrical malfunction you can see the intake manifold runner control, lower stop not reached is the final reason of the code. |
12906 Possible Causes:
12906 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12906 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns