What does fault code MMM-4000 mean?

Diagnostic fault code details for MMM-4000 (Volvo C30 (2007–2013), Volvo C30 Electric (2011–2013), Volvo C70 (2006–2013)). Repair service at OBD Tuning.

VOLVO

MMM-4000 - Control module. Internal fault

System

Multi Media Module (MMM)

Volvo models this fault code applies to

Applies to the following models:

6 models

C30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013), XC90 (2003–)

Show models by year and engine (6)

What does this fault code mean?

The multimedia module (MMM) checks communication with the built-in TMC receiver, which picks up traffic information. The code is set when that communication is disturbed or absent.

Possible causes

Damaged multimedia module (MMM)

What you can do

1Erase the code, switch the ignition off and on again, and check whether traffic information is shown
2Check that the navigation works normally after the restart
3If the code returns, have a workshop replace the multimedia module (MMM)

Symptoms you may notice2

Traffic information is not displayed or not updated
The navigation does not work

General guidance for car owners. Diagnosis on the car can point to a different cause.