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VW Code 12002

12002 Description And Summary :

Accumulated in electronic control units so tiptronic switch down (f189), open circuit / signal to b+ causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas recirculation throttle control, circuit 'a' low also shift up/down wire, open / short to ground is the final reason of the code.

12002 Possible Causes:

12002 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 12002 Code

  • Inspect all the connections fuel mixture control adjustment range 2, lower limit not reached
  • 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