MasterTuning Fault code dictionary (DTC)

4338 — Radiator blind Output stage overheated

Severity: Critical Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningRadiator blind Output stage overheated.
FamilyManufacturer-native code

Frequently asked questions

What does code 4338 mean?

Radiator blind Output stage overheated. Radiator blind Output stage overheated.

Can I keep driving with code 4338 active?

With caution: limp mode possible, have it checked soon

How do you fix code 4338?

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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