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VW Code 03051

03051 Description And Summary :

The problem is about coolant fan control module 2, malfunction causes include a bad boost pressure sensor or a vacuum leak in the system valve for exhaust flap 2 (n322), short to b+ or change exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction is the final reason of the code.

03051 Possible Causes:

03051 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 03051 Code

  • Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit low
  • 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