DTC B1127-11, B1127-12, B1127-13, B1127-19 Or B1127-1A: Passenger-Side Side Air Bag Module Circuit (Airbag) (Us): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1127:11, B1127:12, B1127:13, B1127:19 OR B1127:1A [SAS CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	B1127:11: Passenger-side side air bag module circuit short to body ground B1127:12: Passenger-side side air bag module circuit short to power supply B1127:13: Passenger-side side air bag module circuit open circuit or resistance high B1127:19: Short circuit to passenger-side side air bag module and other air bag module circuits B1127:1A: Passenger-side side air bag module circuit resistance low
Detection condition	WARNING: Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure. Resistance other than 0.81-9.85 ohms detected in passenger-side side air bag module circuit Wiring harness between the passenger-side side air bag module and SAS control module has a malfunction
Fail-safe	Not applicable
Possible cause	Passenger-side side air bag module connector (front seat connector) malfunction Open circuit in passenger-side side air bag module deployment signal circuit Short circuit to body ground in passenger-side side air bag module deployment signal circuit Short circuit to power supply in passenger-side side air bag module deployment signal circuit Short circuit to each other in passenger-side air bag module deployment signal circuit Short circuit to other air bag module circuits in passenger-side air bag module deployment signal circuit Passenger-side side air bag module malfunction SAS control module malfunction
Courtesy of MAZDA MOTORS CORP.