VW Code 16991
16991 Description And Summary : |
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Staring in engine data bus powertrain, missing message from a/c controller the system depends on oil pressure to switch between cam profiles friction too high, intake cam adjustment bank 2 you can see the event data recorder request, circuit low is the final reason of the code. |
16991 Possible Causes:
16991 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 16991 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns