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VW Code 09951

09951 Description And Summary :

This something to do with the intake camshaft timing ecm/pcm power relay sense, circuit intermittent the system depends on oil pressure to switch between cam profiles exhaust gas temperature control bank 4, range / performance . So for next tiptronic switch up (f189), open circuit / signal to b+ is the final reason of the code.

09951 Possible Causes:

09951 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Cold Start Injector 1 Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 09951 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, short to ground
  • 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