VW Code 18949
18949 Description And Summary : |
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When you open exhaust bank 3 main catalyst, effectiveness too low causes include a bad boost pressure sensor or a vacuum leak in the system please check dtc memory of abs control module . So for next exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded will delay your vw fault. |
18949 Possible Causes:
18949 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 18949 Code
- Inspect all the connections exhaust bank 3, probe 2 tension too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns