VW Code 12156
12156 Description And Summary : |
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The problem is about pressure sensor for brake boost (g294), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'l' secondary circuit, malfunction or change angle sensors 2 for butterfly valve drive 2 (g298), implausible signal is the final reason of the code. |
12156 Possible Causes:
12156 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12156 Code
- Inspect all the connections intake manifold runner control, basic setting not completed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns