VW Code 12935
12935 Description And Summary : |
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Diagnosing engine bar with voltage supply relay, electrical malfunction run rough, or might suddenly stall at any given speed intake air heater "a", system performance and wait then injector control pressure, too high - engine off is the final reason of the code. |
12935 Possible Causes:
12935 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12935 Code
- Inspect all the connections 'a' rocker arm actuator control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns