clear the codes using an obd2 scanner. plug is located under cup holder. scanner will not work to trouble shoot truck but will clear the codes. then check seat switch and seat belt switch. next see it soleniods are energized. next after that doesnt work check preasure relief and flow valve. flow valve may just need cleaning. test by backing off the emergancy lowering valve slightly.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.