DTC B1881, B1882, B1883, B1886: Passenger-Side Pre-Tensioner Seat Belt Circuit Resistance High; Passenger-Side Pre-Tensioner Seat Belt Circuit Short To Power Supply; Passenger-Side Pre-Tensioner Seat Belt Circuit Short To Body Ground; Passenger-Side Pre-Tensioner Seat Belt Circuit Resistance Low: Notes

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

Fig 1: DTC B1881, B1882, B1883, B1886 - Detection Condition And Possible Cause Chart

Courtesy of MAZDA MOTORS CORP.