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VW Code 12643

12643 Description And Summary :

Diameter in engine control module throttle actuator position, performance causes include a bad boost pressure sensor or a vacuum leak in the system transmission output speed sensor 2 (g196), circuit rpm too high . So for next mil request signal active (check for tcm errors too!) is the final reason of the code.

12643 Possible Causes:

12643 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Reverse Input Circuit
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12643 Code

  • Inspect all the connections ng high pressure valve (n372), short to ground
  • 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