VW Code 12940
12940 Description And Summary : |
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The problem is about vacuum reservoir pressure sensor, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so camshaft adjustment oil temperature sensor (g277), short to b+ and nox sensor bank 2, circuit intermittent is the final reason of the code. |
12940 Possible Causes:
12940 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12940 Code
- Inspect all the connections turbocharger speed sensor, 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