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VW Code 08408

08408 Description And Summary :

The problem is about vehicle speed sensor 'b', intermittent / erratic / high causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, performance also please check dtc memory of instrument cluster will delay your vw fault.

08408 Possible Causes:

08408 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Reverse Input Circuit
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 08408 Code

  • Inspect all the connections transmission control unit (j217), programming error
  • 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

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