will 395.34(c) put my truck out of service
No. A 395.34(c) citation will not place your truck out of service. Across our inspection records, 0 out of 199 all-time citations for this violation resulted in an out-of-service order—an OOS rate of 0.0%. This is significantly lower than the 31.4% average OOS rate across all FMCSR codes, making 395.34(c) one of the least severe enforcement actions you can receive. You'll be cited, but your vehicle stays operational.