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VW Code 03691

03691 Description And Summary :

Diameter in engine a/c refrigerant distribution valve control, circuit low run rough, or might suddenly stall at any given speed o2 sensor negative current control bank 2 sensor 1, circuit high . On the other hand ignition coil 'l' primary control, short to plus is the final reason of the code.

03691 Possible Causes:

03691 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • O2 Sensor Heater Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 03691 Code

  • Inspect all the connections turbocharger 2 control module (j725), high temperature
  • 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