MasterTuning Fault code dictionary (DTC)

B1799 — Lamp Turn Signal Front Output Circuit Open

Severity: Informational Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningLamp Turn Signal Front Output Circuit Open.
FamilyBody (B)

Frequently asked questions

What does code B1799 mean?

Lamp Turn Signal Front Output Circuit Open. Lamp Turn Signal Front Output Circuit Open.

Can I keep driving with code B1799 active?

With caution: limp mode possible, have it checked soon

How do you fix code B1799?

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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