What 393.106C1 means in plain language
This citation addresses the structural component at the front of your cargo area—typically called a headerboard or bulkhead. When you're hauling freight, this barrier prevents cargo from shifting forward into the cab during hard braking or collision. The regulation requires that this structure be present and in adequate condition whenever your load requires it for safe securement.
A missing or inadequate headerboard/bulkhead is a securement failure. It doesn't matter how well you've tied down your freight with straps or chains; if the front-end structure that's supposed to contain it is broken, missing, or doesn't meet the load requirements, you're in violation. Inspectors check that the component exists, is structurally sound, and is appropriate for the cargo weight and type you're carrying.
What our enforcement data actually shows
Across our 13 million roadside inspection records, 393.106C1 carries an out-of-service rate of 94.7%—far above the all-FMCSR average of 31.4%. In plain terms: if you're cited for this violation, there's a very high likelihood the inspector will place your vehicle out of service on the spot.
Our data shows 76 all-time citations for this code, with 51 citations in the last 12 months and 16 in the last 90 days. This makes 393.106C1 ranked #1505 of 3,036 FMCSR codes by citation volume—not the most common violation, but one that carries severe enforcement consequences when it does occur.
The monthly trend over the past year shows clustering in certain months: we recorded 8 citations in February 2026 and March 2026, with lower counts in other periods. This suggests the violation is sporadic but, when inspectors do flag it, enforcement is nearly automatic.
Who gets cited most
Texas leads by a significant margin with 27 citations in the last 180 days, resulting in 25 out-of-service orders (92.6% OOS rate). Iowa follows with 3 citations, both out of service (100.0% rate), and Illinois and North Carolina each show 1 citation with 100% OOS rate.
The concentration in Texas reflects both higher inspection volume in that state and the prevalence of heavy freight operations. The perfect OOS rate in Iowa, Illinois, and North Carolina suggests inspectors there apply this violation only in clear-cut cases where the deficiency is undisputable.
Our data shows fleets such as Premier Expediting Services LLC with 2 all-time citations for this code. No single carrier dominates; most citations are distributed across different operators, indicating the violation is tied to vehicle condition rather than a particular fleet's practices.
How severe is this compared to similar codes
In the Vehicle Maintenance category, 393.106C1 stands out for its enforcement intensity. Consider these peer codes:
- 393.9 (Inoperable required lamps): 180,097 citations all-time, but only a 6.9% OOS rate. Lamps fail frequently and inspectors often issue citations without placing the vehicle out of service if the driver commits to repair.
- 393.78 (Windshield condition defective): 157,894 citations all-time with just a 0.3% OOS rate. Windshield damage is typically a correctable violation.
- 396.3(a)(1) (Inspection/repair/maintenance general): 236,919 citations with a 45.3% OOS rate—still far below 393.106C1's 94.7%.
The high OOS rate for 393.106C1 reflects the safety-critical nature of cargo containment. A missing or failed headerboard is not a warning sign—it's an immediate safety hazard that regulators treat as a reason to remove the vehicle from service until corrected.
How to avoid it
Pre-trip inspection actions:
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Walk the entire front end of your cargo box or flatbed. Check that your headerboard or bulkhead is present, structurally intact (no cracks, bends, or separation from the frame), and securely mounted. If you haul different cargo types, verify the height and strength of the barrier is appropriate for your load.
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Inspect before accepting a loaded vehicle. If you inherit a truck from another driver or shift, don't assume the securement structure is safe. Climb up and visually verify the condition.
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Know the weight and type of cargo you're hauling. Oversized or abnormally heavy loads may require reinforcement or a stronger headerboard than your vehicle currently has. Confirm during loading that your rig is spec'd for the job.
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Address brake and suspension issues promptly. Our inspection records show that 392.2RG (fatigue), 393.95A (fire extinguisher), and 393.48A (brake defects) commonly appear in the same inspections as headerboard violations. A vehicle in marginal mechanical condition is more likely to be scrutinized for cargo securement.
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Check warning device placement. The data indicates 393.95F (stopped vehicle warning devices) co-occurs with this code. Ensure reflectors, triangles, or flares are properly positioned so your load is visible if you're stopped roadside—this limits the chance of a secondary inspection that might uncover the headerboard defect.
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Photograph your securement before rolling. If your headerboard is older or showing minor wear, document its condition on the day of loading. If cited, you'll have evidence of the baseline state.
The 94.7% out-of-service rate tells you this is not a citation you can talk down or negotiate at roadside. Prevention through regular, honest pre-trip inspection is your only practical defense.