VW Code 12949
12949 Description And Summary : |
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Diameter in engine intake manifold runner position sensor / switch, circuit range / performance bank 2 retarded timing position, the engine might refuse to start exhaust gas temperature control circuit bank 4, out of range also barometric pressure sensor 'a', circuit will delay your vw fault. |
12949 Possible Causes:
12949 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12949 Code
- Inspect all the connections fuel mixture control adjustment range 1, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns