178.405 — FMCSR Section Aggregate

FMCSR section <strong>178.405</strong> is a 49 CFR 178.405 heading whose specific sub-paragraphs (e.g. <code>178.405(a)</code>, <code>178.405(b)</code>) carry the enforcement citations. The section heading itself isn't an enforceable code, but each sub-paragraph cited under it does feed the carrier's Safety Measurement System (SMS) profile. This aggregate page reports <strong>16</strong> citations across <strong>1</strong> sub-paragraph variant of 178.405, including out-of-service rate, top enforcing states, most-cited carriers, and recent inspections. <strong>3</strong> of those (18.8%) resulted in Out-of-Service orders at the roadside. Pick a sub-paragraph row below to drill down to its specific definition, severity weight, and citation trend.

FMCSR section 178.405 is a 49 CFR 178.405 heading whose specific sub-paragraphs (e.g. 178.405(a), 178.405(b)) carry the enforcement citations. The section heading itself isn't an enforceable code, but each sub-paragraph cited under it does feed the carrier's Safety Measurement System (SMS) profile. This aggregate page reports 16 citations across 1 sub-paragraph variant of 178.405, including out-of-service rate, top enforcing states, most-cited carriers, and recent inspections. 3 of those (18.8%) resulted in Out-of-Service orders at the roadside. Pick a sub-paragraph row below to drill down to its specific definition, severity weight, and citation trend.

Section-level aggregate view

The FMCSA's violation dictionary tracks citations against specific paragraphs of each CFR section (178.405(a), 178.405(b), etc.). The section heading 178.405 itself isn't an enforceable code and has no FMCSA definition on file, but the numbers below aggregate every citation issued against a sub-paragraph in this section. Pick a sub-paragraph row to see its specific definition, citation trend, and co-occurring violations.

Total Events
16
Across all sub-paragraphs
OOS Orders
3
18.8% of events
Sub-paragraphs
1
Distinct variants cited
Carriers Cited
15
Unique USDOTs

Sub-paragraphs with citations

Top 1 variant of 178.405 that have recorded violations. Click a code to see its definition and detail page.

Code Label Events OOS OOS % Severity
178.405(c) 178.405(c) 16 3 18.8%

Most-cited carriers

Cited for any sub-paragraph of 178.405. Page 1 of 1.

Recent inspections

Most recent roadside inspections that cited any sub-paragraph of 178.405.

Inspection # Date State Level Variants cited OOS
82743521 Sep 24, 2024 MD L1 1
82576668 Sep 2, 2024 TX L1 1
81511510 Apr 30, 2024 TX L2 1
81533882 Apr 20, 2024 TX L2 1
81322127 Apr 8, 2024 TX L1 1
81188330 Mar 20, 2024 TX L1 1
81210887 Mar 19, 2024 TX L2 1
81001690 Feb 26, 2024 TX L2 1
80782060 Jan 4, 2024 TX L2 1
81001775 Nov 30, 2023 TX L2 1
79820296 Oct 3, 2023 IL L1 1 OOS
79910167 Aug 4, 2023 TX L2 1 OOS
79330956 Aug 3, 2023 AZ L1 1 OOS
79270075 Jul 27, 2023 KS L2 1
78679915 May 18, 2023 ID L1 1
78593288 May 8, 2023 LA L2 1

How to comply with FMCSR section 178.405

  1. Locate the regulation in the eCFR. Open https://www.ecfr.gov/current/title-49/section-178.405 on eCFR.gov to read the legal text the citation is written against. The eCFR is the National Archives' continuously updated electronic Code of Federal Regulations and is the canonical reference for any FMCSR section.
  2. Determine if your operation is subject. Confirm whether your operation is interstate (always subject to the FMCSR) or intrastate (subject when your state has adopted 49 CFR Part 350 by reference; most have). Intrastate operators in non-adopting states may be subject to a state analog instead of the federal rule.
  3. Identify the documented requirement. Read the regulation text from Step 1 and identify the specific equipment, driver document, or operational practice the rule covers. Citations under 178.405 hinge on whether that specific requirement was met at the moment of the inspection.
  4. Inspect or maintain to standard. Build a recurring inspection or training routine that catches this defect before a roadside inspector does. Because 178.405 is OOS-eligible, a single citation can park the truck or driver until the condition is corrected — pre-trip checks, scheduled PMs, and supervisor reviews are the cheap places to find it.
  5. Document compliance to demonstrate it on review. Keep a dated, signed record of each inspection, repair, training session, or filing tied to 178.405. During an FMCSA compliance review or a customer onboarding audit, the documentation is what proves the program runs — undocumented compliance is indistinguishable from non-compliance to the auditor.

Frequently asked questions about 178.405

What is FMCSA violation code 178.405?
Code 178.405 is the FMCSA citation for "FMCSR Section 178.405 (aggregate)". It appears on roadside inspection reports issued by the Federal Motor Carrier Safety Administration.
Is 178.405 an out-of-service violation?
Yes. Code 178.405 is Out-of-Service eligible. When this violation is found at a roadside inspection, the inspector can place the driver or vehicle out of service immediately under the CVSA Out-of-Service Criteria, blocking continued operation until the condition is corrected.
What's the severity weight of 178.405?
FMCSA hasn't published a severity weight for 178.405 in the snapshot we mirror. Severity weights run from 1 to 10 on FMCSA's published violation table; codes without a weight are typically administrative or duplicative of weighted codes that already feed the BASIC percentile.
How many inspections have cited 178.405?
16 inspections in our FMCSA mirror cite 178.405, of which 3 (18.8%) resulted in Out-of-Service orders. The Recent Inspections table on this page lists the most recent citations with date, state, level, and OOS flag — click any row to see the full inspection report.
Which BASIC category is 178.405 in?
The BASIC category for 178.405 isn't on file in our snapshot of the FMCSA dictionary. The seven BASICs are Unsafe Driving, Hours-of-Service, Driver Fitness, Controlled Substances/Alcohol, Vehicle Maintenance, Hazardous Materials Compliance, and Crash Indicator — see the link to the FMCSA Violations Search on this page for the canonical assignment.
What does a carrier do to fix 178.405?
Resolving a 178.405 citation has two parts: (1) correct the underlying condition immediately — repair the equipment defect, retrain the driver, file the missing form, or update the maintenance record — and (2) document the correction in the carrier's compliance file, ideally with date, time, and the name of the person who performed the work. Carriers that believe the citation was recorded in error can file a Request for Data Review through the FMCSA DataQs system within 24 months of the inspection date.
Where can I find related violation codes?
The "Often Cited Together" panel on this page lists violations frequently appearing on the same inspection as 178.405 — these usually share a root cause (for example, an HOS violation paired with a logbook error). The All Violation Codes index links to every code in the system, and the BASIC category page lists every code in this BASIC.
Where can I find the full text of 178.405?
The full regulatory text is published on eCFR.gov at 49 CFR 178.405. The eCFR is the official, continuously updated electronic Code of Federal Regulations maintained by the National Archives. The TruckCodex page mirrors enforcement data; the eCFR has the legal text the citation is written against.

About FMCSA violation codes

Every violation found during an FMCSA roadside inspection is recorded under a code drawn from the Federal Motor Carrier Safety Regulations — the codified safety rules motor carriers, drivers, and commercial motor vehicles must comply with in interstate commerce. Codes roll up into one of seven Behavior Analysis and Safety Improvement Categories (BASICs). Each code carries a published severity weight (1–10) and an Out-of-Service eligibility flag.

Section headings (like the one on this page) aren't themselves enforceable codes — FMCSA inspectors cite the specific paragraph that the carrier failed, and FMCSA's violation dictionary tracks each paragraph as its own row. The aggregate view here sums citations issued against every sub-paragraph of 178.405, including out-of-service rate, top enforcing states, most-cited carriers, and recent inspections. Pick a sub-paragraph above to see its specific definition, severity weight, and citation trend.

TruckCodex mirrors the FMCSA Motor Carrier Management Information System (MCMIS) and the published violation dictionary on a daily refresh cycle. Carriers who believe a citation was recorded in error can file a Request for Data Review through the FMCSA DataQs system within 24 months of the inspection date.

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