MasterTuning Fault code dictionary (DTC)

23 — Door closing warning device door 4

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningDoor closing warning device door 4.
SystemMTS
FamilyManufacturer-native code

Frequently asked questions

What does code 23 mean?

Door closing warning device door 4. Door closing warning device door 4. (System: MTS)

Can I keep driving with code 23 active?

With caution: limp mode possible, have it checked soon

How do you fix code 23?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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Where to get it fixed