MasterTuning Fault code dictionary (DTC)

B1242 — Air Flow Recirculation Door Driver Circuit Failure

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningAir Flow Recirculation Door Driver Circuit Failure.
FamilyBody (B)

Frequently asked questions

What does code B1242 mean?

Air Flow Recirculation Door Driver Circuit Failure. Air Flow Recirculation Door Driver Circuit Failure.

Can I keep driving with code B1242 active?

With caution: limp mode possible, have it checked soon

How do you fix code B1242?

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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