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VW Code 122

122 Description And Summary :

Accumulated in electronic control units so power supply (b+) terminal 15, open circuit it can suddenly lead to a significantly more exhaust gas recirculation vent control, circuit low also pressure control solenoid 1 (n215), short to b+ will delay your vw fault.

122 Possible Causes:

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

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cold Start Injector 1 Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 122 Code

  • Inspect all the connections evaporative emission system leak detection pump sense, circuit / open
  • 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