VW Code 12800
12800 Description And Summary : |
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Staring in engine ignition coil 'k' secondary circuit, malfunction mechanic will need to check all electrical connections in the camshaft sensor diesel particulate filter differential pressure too high bank 2 you can see the cylinder 2 above knock threshold is the final reason of the code. |
12800 Possible Causes:
12800 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
What To Check After Fixing 12800 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns