Auxiliary Cabin Heater Control Module: Testing and Inspection

Downloading software and replacing the control module

Replacing the control module
New software can be downloaded into the combustion preheater module (CPM). When ordering software, the hardware and the software in the car is compared to the information in the Volvo central database. If the comparison is OK the software is downloaded to the control module.
If the comparison between the car and Volvo central database is not OK, the database is updated with the car configuration. When this is complete the software is downloaded.
The controller area network (CAN) is used for a total software reload.

Add accessories
The following accessories can be ordered to add functions:
- engine coolant heater
- parking heater
- upgrading to the parking heater from the engine coolant heater.