MasterTuning Fault code dictionary (DTC)

4258 — Control Unit Internal 23

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningControl Unit Internal 23.
FamilyManufacturer-native code

Frequently asked questions

What does code 4258 mean?

Control Unit Internal 23. Control Unit Internal 23.

Can I keep driving with code 4258 active?

With caution: limp mode possible, have it checked soon

How do you fix code 4258?

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.

Need help with this fault?

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