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VW Code 05643

05643 Description And Summary :

Diameter in engine data bus powertrain, implausible message of the a/c control module causes include a bad boost pressure sensor or a vacuum leak in the system exhaust pressure regulator vent solenoid, control circuit high also coolant circulation pump relay (j151), short to ground is the final reason of the code.

05643 Possible Causes:

05643 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Turbocharger Boost Sensor A Circuit Low
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 05643 Code

  • Inspect all the connections throttle/pedal position sensor / switch 'd', circuit
  • 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