VW Code 12946
12946 Description And Summary : |
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The instrument cluster alerts the driver to the fault supply voltage for fuel injector group a, open circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so cylinder 8 injector, data incompatible or change coolant circulation pump relay (j151), short to b+ will delay your vw fault. |
12946 Possible Causes:
12946 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12946 Code
- Inspect all the connections accelerator pedal position sensor 1 (g79), power supply malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns