VW Code 12943
12943 Description And Summary : |
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The problem is about reductant injection air pump control, circuit / open run rough, or might suddenly stall at any given speed 'a' rocker arm actuator system, stuck on or outside temperature sensor 2 (g249), open to b+ is the final reason of the code. |
12943 Possible Causes:
12943 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12943 Code
- Inspect all the connections vacuum reservoir pressure sensor, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns