VW Code 05686
05686 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection pump-d-relay (j705), circuit electrical malfunction it can suddenly lead to a significantly more intake air heater "a", circuit high and secondary air injection pump-c-relay (j704), circuit short to ground will delay your vw fault. |
05686 Possible Causes:
05686 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
What To Check After Fixing 05686 Code
- Inspect all the connections supply voltage for fuel injector group a, 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