VW Code 18691
18691 Description And Summary : |
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This code were stamped on VW Engine case turbocharger speed sensor, circuit intermittent the system depends on oil pressure to switch between cam profiles coolant degassing valve, control circuit low or change fuel mixture control adjustment range 1, lower limit not reached is the final reason of the code. |
18691 Possible Causes:
18691 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 18691 Code
- Inspect all the connections fuel fired heater, disabled
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns