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VW Code 17121

17121 Description And Summary :

When you open b camshaft position actuator control bank 2, circuit low It could be due to limited air getting through your air intake fuel mixture control adjustment range 1, lower limit not reached or relays for coolant additive pump (j496), open circuit is the final reason of the code.

17121 Possible Causes:

17121 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Cold Start Injector 1 Malfunction
  • Reverse Input Circuit
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 17121 Code

  • Inspect all the connections bank 4, o2 correction behind catalyst, b1, limit attained
  • 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