DTC B1920-77: Short in Rear Pretensioner Squib RH Circuit; DTC B1921-77: Open in Rear Pretensioner Squib RH Circuit; DTC B1922-77: Short to GND in Rear Pretensioner Squib RH Circuit; DTC B1923-77: Short to B+ in Rear Pretensioner Squib RH Circuit [03/2018 - 08/2019]: Wiring Diagram