DTC B1877, B1878, B1879, B1885: Driver Side Pre-Tensioner Seat Belt Circuit Resistance High; Driver Side Pre-Tensioner Seat Belt Circuit Short To Power Supply; Driver Side Pre-Tensioner Seat Belt Circuit Short To Body Ground; Driver 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.