MasterTuning Fault code dictionary (DTC)

42D3 — Malfunction indicator lamp (MIL) control circuit Faulty

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningMalfunction indicator lamp (MIL) control circuit Faulty.
FamilyManufacturer-native code

Frequently asked questions

What does code 42D3 mean?

Malfunction indicator lamp (MIL) control circuit Faulty. Malfunction indicator lamp (MIL) control circuit Faulty.

Can I keep driving with code 42D3 active?

With caution: limp mode possible, have it checked soon

How do you fix code 42D3?

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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