VW Code 12800
12800 Description And Summary : |
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Diameter in engine pressure control valve 1 (n215), open / short to ground run rough, or might suddenly stall at any given speed o2 sensor reference voltage bank 1 sensor 1, performance and fuel pump circuit, electrical malfunction will delay your vw fault. |
12800 Possible Causes:
12800 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12800 Code
- Inspect all the connections load signal from alternator terminal df, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns