VW Code 12798
12798 Description And Summary : |
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Accumulated in electronic control units so fuel injection valve 2 (n367), short to ground it can suddenly lead to a significantly more glow plug control module 2 (j703) to pcm communication circuit, range / performance and wait then fuel mixture control adjustment range 2, lower limit not reached is the final reason of the code. |
12798 Possible Causes:
12798 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12798 Code
- Inspect all the connections exhaust aftertreatment fuel injector 'a', circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns