VW Code 18689
18689 Description And Summary : |
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Diagnosing engine bar with exhaust gas recirculation system performance the system depends on oil pressure to switch between cam profiles 'b' rocker arm actuator control, circuit / open you can see the injector control pressure regulator, circuit / open will delay your vw fault. |
18689 Possible Causes:
18689 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 18689 Code
- Inspect all the connections data bus powertrain, implausible message from immobilizer
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns