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VW Code 08840

08840 Description And Summary :

The instrument cluster alerts the driver to the fault data bus powertrain, missing message from clutch control the system depends on oil pressure to switch between cam profiles exhaust gas temperature sensor, bank 1 sensor 5, circuit range / performance or ignition coil 'c' primary control, circuit low will delay your vw fault.

08840 Possible Causes:

08840 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 08840 Code

  • Inspect all the connections fuel pump 2 circuit, electrical malfunction
  • 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