Points to observe when replacing the control module
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
When transferring a control module from one car to another, remember to note any diagnostic trouble codes and the operating hours before removing the control module from the car.
Always check the control module connectors for bent or damaged terminals. This may have been the cause of the fault.
For the location of the components, see Engine coolant heater, component location