Will 391.45F put my truck out of service?
No. Across our 13 million inspection records, the 0.0% out-of-service rate for 391.45F shows that inspectors do not place trucks out of service for this violation. Compare that to the 31.4% national average OOS rate across all FMCSR codes—this citation is exceptionally unlikely to result in an immediate out-of-service order. That said, a citation still creates a record that may affect your safety profile.