logo

VW Code 05122

05122 Description And Summary :

The instrument cluster alerts the driver to the fault reductant injection air pump control, circuit low retarded timing position, the engine might refuse to start valve for exhaust cooling agent (n313), interruption / short-circuit after mass or exhaust bank 4, sensor 1, no activity will delay your vw fault.

05122 Possible Causes:

05122 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Cold Start Injector 1 Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • O2 Sensor Heater Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Reverse Input Circuit

What To Check After Fixing 05122 Code

  • Inspect all the connections supply voltage for fuel injector group a, short to b+
  • 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