VW Code 12780
12780 Description And Summary : |
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The problem is about intake manifold tuning valve (bank 1), stuck closed mechanic will need to check all electrical connections in the camshaft sensor 'a' rocker arm actuator system, stuck on or intake air heater "a", circuit low will delay your vw fault. |
12780 Possible Causes:
12780 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 12780 Code
- Inspect all the connections fuel pump 2 circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns