VW Code 12091
12091 Description And Summary : |
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The problem is about reductant temperature sensor, circuit intermittent to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel injection valve 2 (n367), short to ground you can see the relays for electrical fuel pump 2 (j49), interruption/short-circuit after mass will delay your vw fault. |
12091 Possible Causes:
12091 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Exhaust Gas Recirculation Sensor B Circuit High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 12091 Code
- Inspect all the connections valve for pump - jet, cylinder 2 (n241), 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