Fault-Tracing Information

• Check the oil level in the coupling (Active on Demand Coupling).
• Check Differential electronic module (DEM) for damage to connector, oxidation, and pins.

  If the oil level is correct and no visual damage was found on Differential electronic module (DEM), change the oil and the oil filter.

  Other information 

  • Checking the oil level
  • see CHECKING WIRING AND TERMINALS
  • see OIL FILTER CLUTCH FOUR WHEEL DRIVE (2009)
  Fig 1: Differential Electronic Module

  Courtesy of VOLVO CARS CORPORATION
  Fig 2: Oil Filter

  Courtesy of VOLVO CARS CORPORATION

Has the fault been remedied? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION