VW Code 12902
12902 Description And Summary : |
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When you open throttle/pedal position sensor / switch 'f', circuit high causes include a bad boost pressure sensor or a vacuum leak in the system load signal from alternator terminal df, short to ground . On the other hand o2 sensor reference voltage bank 2 sensor 1, circuit / open is the final reason of the code. |
12902 Possible Causes:
12902 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12902 Code
- Inspect all the connections fuel cap sensor / switch, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns