VW Code 12456
12456 Description And Summary : |
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Staring in engine valve for pump - jet: cylinder 10 (n306), circuit low input retarded timing position, the engine might refuse to start angle sensors 1 signal implausible for butterfly valve drive 2 (g297) . On the other hand intake manifold tuning valve (bank 1), stuck closed will delay your vw fault. |
12456 Possible Causes:
12456 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 12456 Code
- Inspect all the connections glow plug / heater relay, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns