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 [10/2015 - 03/2018]: Wiring Diagram