VW Code 18986
18986 Description And Summary : |
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The problem is about torque management request input signal b, high the system depends on oil pressure to switch between cam profiles controller pin coding, implausible signal . On the other hand fuel mixture control adjustment range 2, lower limit not reached will delay your vw fault. |
18986 Possible Causes:
18986 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 18986 Code
- Inspect all the connections ignition switch accessory position, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns