will 107.620B put my truck out of service
No. Across our inspection records, 107.620B has never resulted in an out-of-service placement. All 486 all-time citations for this code resulted in 0 out-of-service orders—a 0.0% OOS rate. This is significantly lower than the 31.4% average OOS rate across all FMCSR codes. You'll be cited and fined, but your truck stays on the road.