VOLVO
MMM-U220044 - Control Module Configuration Memory Corrupt. System Internal Failures. Data memory failure
System
Multi Media Module (MMM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (4)
What does this fault code mean?
The data memory in the multimedia module (MMM) has a fault. The code is set when the module finds an internal fault, and the navigation may then be unable to store saved locations properly.
Possible causes
- Damaged multimedia module (MMM)
What you can do
- 1After erasing the code, save a location in the navigation, restart the car and see whether the location is still there
- 2If the locations still disappear, have a workshop replace the multimedia module (MMM)
Symptoms you may notice2
- Saved locations in the navigation disappear
- New locations cannot be saved
General guidance for car owners. Diagnosis on the car can point to a different cause.