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VW Code 16991

16991 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range