MasterTuning Fault code dictionary (DTC)

5503 — CAN error (no EEC1 message)

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningCAN error (no EEC1 message).
SystemHDS
FamilyManufacturer-native code

Frequently asked questions

What does code 5503 mean?

CAN error (no EEC1 message). CAN error (no EEC1 message). (System: HDS)

Can I keep driving with code 5503 active?

With caution: limp mode possible, have it checked soon

How do you fix code 5503?

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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