VW Code 12790
12790 Description And Summary : |
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When you open bank 2, system too rich off idle run rough, or might suddenly stall at any given speed different wheel speed signals, range / performance you can see the rough road / engine torque signal from abs; electrical malfunction will delay your vw fault. |
12790 Possible Causes:
12790 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 12790 Code
- Inspect all the connections transmission mount valve 1 (n262), 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