VW Code 12120
12120 Description And Summary : |
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This code were stamped on VW Engine case camshaft position signal output, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system idle regulation lean operation: rpm too high and rough road / engine torque signal from abs; electrical malfunction will delay your vw fault. |
12120 Possible Causes:
12120 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 12120 Code
- Inspect all the connections power supply (b+) terminal 15, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns