VOLVO
MMM-B1A891B - Satellite Antenna. General Electrical Failures. Circuit resistance above threshold
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?
Although the code is named high resistance, it applies to communication with the built-in GPS receiver, which is disturbed or absent. The multimedia module (MMM) checks that communication while the ignition is on.
Possible causes
- Damaged multimedia module (MMM)
What you can do
- 1Erase the code, switch the ignition off and on again, and check whether it comes back
- 2Check whether the position on the map is correct after a restart
- 3If the code returns, have a workshop check the multimedia module (MMM), since the GPS receiver is built into it
Symptoms you may notice2
- The car position on the map is incorrect
- The navigation does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.