Code Definition

B1880 — Seatbelt Passenger Pretensioner Circuit Failure

System: Body  |  Type: Manufacturer-Specific  |  Make: Ford

About B1880

B1880 is a manufacturer-specific body diagnostic trouble code recorded for Ford vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1880 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B1880 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

B1880 is set by the Restraints Control Module (RCM) when it detects an electrical fault in the passenger side seat belt pretensioner squib circuit during its continuous SRS self test. This is the passenger side counterpart to B1876 and indicates the measured squib resistance is outside the narrow window required for reliable deployment, or that the RCM has detected an open or out of range condition that does not specifically classify as a hard open, short to battery or short to ground. The pretensioner is a pyrotechnic device built into the passenger seat belt retractor or buckle that fires du...

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