DDE 6 fault symptoms

Suspect links to be verified in this testing procedure indicate possible faults in the following diesel functions based on the symptoms:

• High-pressure pump
  Electronic vehicle immobilization
  Power supply for main relay
  Crankshaft sensor
  Air mass system test
  Particulate filter
  Engine cooling
  Engine speed detection
  Combustion preheating system
  Smooth running control
  Pedal-position sensor
  Charge-air pressure controller
  Presupply pump
  Exhaust-gas recirculation system
  Rail pressure control
  ON delay
  Injector volume calibration
  ...
  

To acquire additional information on the causing faults, adaptation / calibration values can be read out.