VW Code 03949
03949 Description And Summary : |
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This code were stamped on VW Engine case fuel tank pressure (ftp) sensor (g400), short to ground the system depends on oil pressure to switch between cam profiles data-bus powertrain, implausible message from engine controller and exhaust bank 3/4 lambda probes before kat exchanges will delay your vw fault. |
03949 Possible Causes:
03949 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 03949 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 2 (g449), 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