VOLVO
CCM-U300044 - Control Module. System Internal Failures. Data memory failure
System
Climate Control Module (CCM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The climate control module (CCM) checks its own software and finds that it is occupying more memory than allowed. The fault code is then set. The fault lies in the module and is not visible to the driver.
Possible causes
- Software error in the control module
What you can do
- 1Clear the code and restart the car
- 2If you have a diagnostic tool, read the code after the restart and note whether it returns
- 3If the fault returns, have a workshop download new software to the climate control module
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.