DTC B2229, B2231, B2233, B2235: Passenger-side air bag module (inflator no. 2) circuit malfunction: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC B2229, B2231, B2233, B2235 Detection Condition & Possible Causes

Courtesy of MAZDA MOTORS CORP.