Code Definition

B1915 — Airbag Driver Circuit Failure

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

About B1915

B1915 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 B1915 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.

B1915 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

DTC B1915 indicates that the Restraint Control Module (RCM) has detected a general failure in the driver airbag squib (deployment loop) circuit that does not match a specific short to ground, short to battery, or open circuit pattern. The driver airbag squib loop runs from the RCM through the floor and column harness, up the steering column through the clockspring rotary coupler, and out to the inflator initiator inside the driver airbag module. The RCM applies a precise low level diagnostic current to this loop on every ignition cycle and measures the resulting voltage drop to confirm the inf...

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