MasterTuning Fault code dictionary (DTC)

645 — External sequential fault: Time overrun or fault condition

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningExternal sequential fault: Time overrun or fault condition.
SystemEBS
FamilyManufacturer-native code

Frequently asked questions

What does code 645 mean?

External sequential fault: Time overrun or fault condition. External sequential fault: Time overrun or fault condition. (System: EBS)

Can I keep driving with code 645 active?

With caution: limp mode possible, have it checked soon

How do you fix code 645?

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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