MasterTuning Fault code dictionary (DTC)

0404 — Exhaust Gas Recirculation 2

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningExhaust Gas Recirculation 2.
SystemDDE 4
FamilyManufacturer-native code

Frequently asked questions

What does code 0404 mean?

Exhaust Gas Recirculation 2. Exhaust Gas Recirculation 2. (System: DDE 4)

Can I keep driving with code 0404 active?

With caution: limp mode possible, have it checked soon

How do you fix code 0404?

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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