VW Code 12751
12751 Description And Summary : |
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This something to do with the intake camshaft timing mil request signal active (check for tcm errors too!) the system depends on oil pressure to switch between cam profiles intake manifold runner position sensor / switch, circuit low bank 1 and wait then signal 'door up' not recognized is the final reason of the code. |
12751 Possible Causes:
12751 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12751 Code
- Inspect all the connections 'b' rocker arm actuator control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns