MasterTuning Fault code dictionary (DTC)

5511 — Control unit or 'Heating on' faulty

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningControl unit or 'Heating on' faulty.
SystemHDS
FamilyManufacturer-native code

Frequently asked questions

What does code 5511 mean?

Control unit or 'Heating on' faulty. Control unit or 'Heating on' faulty. (System: HDS)

Can I keep driving with code 5511 active?

With caution: limp mode possible, have it checked soon

How do you fix code 5511?

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

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