VW Code 04986
04986 Description And Summary : |
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This code were stamped on VW Engine case particulate trap bank 1, efficiency below threshold to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor bank 1 sensor 2, circuit high and wait then turbocharger speed sensor, circuit range / performance will delay your vw fault. |
04986 Possible Causes:
04986 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 04986 Code
- Inspect all the connections vehicle speed signal, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns