logo

VW Code 12191

12191 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust gas temperature sensor bank 2 sensor 3, circuit high retarded timing position, the engine might refuse to start injector cylinder 15 (n392), open circuit . On the other hand actuator supply voltage "b", circuit /open is the final reason of the code.

12191 Possible Causes:

12191 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 1 Injector Circuit Low
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 12191 Code

  • Inspect all the connections ignition switch run/start position, circuit low
  • 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