MasterTuning Fault code dictionary (DTC)

B1777 — Driver's Seatbelt Tension Reducer Circuit Short to Ground

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningDriver's Seatbelt Tension Reducer Circuit Short to Ground.
FamilyBody (B)

Frequently asked questions

What does code B1777 mean?

Driver's Seatbelt Tension Reducer Circuit Short to Ground. Driver's Seatbelt Tension Reducer Circuit Short to Ground.

Can I keep driving with code B1777 active?

With caution: limp mode possible, have it checked soon

How do you fix code B1777?

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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