VW Code 03806
03806 Description And Summary : |
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When you open nox sensor heater sense bank 1, circuit low It could be due to limited air getting through your air intake torque management feedback signal "b" or please check dtc memory of engine ecu will delay your vw fault. |
03806 Possible Causes:
03806 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 03806 Code
- Inspect all the connections starter relay 2, electrical malfunction in circuit (relay stuck / does not switch)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns