393.45B2-B-VAC — Brake tubing/hoses inadequate

FMCSA violation code under Vehicle Maintenance. 3,029 events recorded in roadside inspections. Severity weight: 7.

Violation code 393.45B2-B-VAC is a Federal Motor Carrier Safety Regulations citation issued under 49 CFR 393.45. It tracks a specific compliance failure recorded against motor carriers and drivers during FMCSA roadside inspections. The code rolls up into the FMCSA Safety Measurement System (SMS) Vehicle Maintenance BASIC, which feeds the carrier's percentile ranking and prioritization for FMCSA interventions. It applies to interstate motor carriers, drivers, and the commercial motor vehicles they operate; intrastate operators are subject when their state has adopted Part 350 of the FMCSR by reference. It carries a severity weight of 7, 3,029 citations have been recorded against this code in the FMCSA inspection record.

Severity Weight
7
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
3,029
Code:
393.45B2-B-VAC
Code System:
FMCSR
BASIC Category:
Vehicle Maintenance
OOS Eligible:
No
Severity Weight:
7
Total Events:
3,029
Carriers Cited:
1,717

Ranks #453 of 3,146 FMCSR codes by citation frequency • OOS rate of 61.3% is above the FMCSR-wide average of 33.2%.

Violation Description

Commercial motor vehicle brake tubing or hoses are worn, chafed, crimped, or otherwise damaged.

About This Violation Code

Code 393.45B2-B-VAC falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (scale 1-10, higher = more severe).

When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.

Regulatory Reference

Federal Motor Carrier Safety Regulations

This violation references 49 CFR 393.45B2 in the Federal Motor Carrier Safety Regulations.

Events (all time)
3,029
OOS Events
1,856
OOS Rate
61.3%
Top State (180d)
California
813 events

Top Enforcing States

Where 393.45B2-B-VAC is most commonly cited (last 180 days)

1. California
813
OOS 50.3%
2. Kentucky
30
OOS 36.7%
3. Michigan
26
OOS 30.8%
4. Pennsylvania
17
OOS 58.8%
5. Connecticut
17
OOS 35.3%
6. Tennessee
17
OOS 100.0%
7. Iowa
14
OOS 14.3%
8. Ohio
6
OOS 100.0%
9. South Carolina
5
OOS 100.0%
10. Colorado
5
OOS 100.0%
11. Kansas
4
OOS 100.0%
12. US
4
OOS 100.0%
13. West Virginia
3
OOS 100.0%
14. Arizona
3
OOS 100.0%
15. Maryland
3
OOS 100.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.45B2-B-VAC citations. Red bars mark months with OOS-triggering citations.

116
2025-07
181
2025-08
80
2025-09
222
2025-10
170
2025-11
143
2025-12
174
2026-01
213
2026-02
217
2026-03
34
2026-04
169
2026-05
208
2026-06
32
2026-07

Most Active Stations

Inspection stations citing 393.45B2-B-VAC most often (last 180 days)

1. ca-i-5-s/b-santa-nella-scale
275
OOS 24.4%
3. ca-s/b-santa-nella-cvef
40
OOS 70.0%
4. MODESTO
14
OOS 42.9%
5. RAINBOW IF
11
OOS 100.0%
6. LONDON
9
OOS 22.2%
7. SB 99 JNO PELANDALE OC
8
OOS 62.5%
8. NB SANTA NELLA SCALES
8
OOS 37.5%
9. WB SR-140 JEO I-5
8
OOS 100.0%
10. CACHE CREEK
7
OOS 71.4%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 1,717 carriers total • Page 1 of 69

# Carrier USDOT # Violations
#1 EAGLE LINE LOGISTICS 3956602 11
#2 BAJWA FREIGHT LINES LLC 4409631 10
#3 J B HUNT TRANSPORT INC 80806 10
#4 EDMUNDO LAGARDA GUICHO 3322516 9
#5 DS XPRESS INCORPORATED 2143509 9
#6 ANTILLON TRANSPORTS COMPANY LLC 4190094 8
#7 FORWARD TRUCKING INC 3180712 8
#8 JTR ENTERPRISES LLC 897512 8
#9 JK TRANSPORT LLC 3074262 8
#10 THE WORLD IS URS TRUCKING INC 3881507 8
#11 MEY TRANSPORT INC 3136650 8
#12 SKS TRUCK LINE INC 3353546 8
#13 NORRIS MILK HAULING LTD 1243792 8
#14 H B T INC 1998882 7
#15 SPG TRANSPORTATION INC 2881143 7
#16 DIWAN TRANS INC 4190732 6
#17 MARVIN ANTONIO DIAZ MENDOZA 3511389 6
#18 NEW STAR DFH TRUCKING INC 3809678 6
#19 GARY GOMES TRANSPORTATION INC 1218684 6
#20 NEW LEGEND INC 1419483 6
#21 NARROW GATE LLC 3891471 6
#22 BUTTAR CARRIER INC 2641934 6
#23 PADILLA'S TRANSPORT LLC 3259265 6
#24 LASHER EXPRESS INC 2574221 6
#25 NEW BERN TRANSPORT CORPORATION 692947 6

Recent Inspections

Latest inspections where 393.45B2-B-VAC was cited • 3,029 total events • Page 1 of 122

Date Report # State Level OOS
88350323 KY Level 1 No
88348572 CA Level 2 Yes
88348547 CA Level 2 No
88348537 CA Level 2 No
88346412 IA Level 1 No
88339435 CA Level 1 Yes
88336723 CT Level 2 No
88332106 KY Level 1 No
88332085 KY Level 1 No
88324931 CA Level 1 Yes
88318315 CA Level 2 No
88318307 CA Level 2 No
88317489 CA Level 1 Yes
88320523 CO Level 2 Yes
88307495 CA Level 5 Yes
88307455 SC Level 2 Yes
88305900 CA Level 2 No
88304693 CA Level 5 Yes
88303139 MI Level 1 No
88315280 CA Level 1 Yes
88296125 KY Level 1 Yes
88294878 CA Level 2 No
88294875 CA Level 2 No
88286000 KY Level 1 Yes
88285643 CA Level 2 Yes

How to comply with violation code 393.45B2-B-VAC

  1. Locate the regulation in the eCFR. Open https://www.ecfr.gov/current/title-49/section-393.45 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 requirement carefully: "Commercial motor vehicle brake tubing or hoses are worn, chafed, crimped, or otherwise damaged." Map it to the specific equipment, driver document, or operational practice it covers.
  4. Inspect or maintain to standard. Build a recurring inspection, training, or filing routine that catches this gap before a roadside inspector does. Pre-trip checks, scheduled preventive maintenance, driver-qualification file audits, and supervisor reviews are the standard places this kind of issue is caught early.
  5. Document compliance to demonstrate it on review. Keep a dated, signed record of each inspection, repair, training session, or filing tied to 393.45B2-B-VAC. 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 393.45B2-B-VAC

What is FMCSA violation code 393.45B2-B-VAC?
Commercial motor vehicle brake tubing or hoses are worn, chafed, crimped, or otherwise damaged. The citation appears as code 393.45B2-B-VAC on roadside inspection reports issued by the Federal Motor Carrier Safety Administration and rolls up into the Vehicle Maintenance BASIC.
Is 393.45B2-B-VAC an out-of-service violation?
No. Code 393.45B2-B-VAC is not Out-of-Service eligible. A citation under this code is recorded on the inspection report and counts toward the carrier's BASIC percentile, but it does not by itself trigger an Out-of-Service order at the roadside.
What's the severity weight of 393.45B2-B-VAC?
393.45B2-B-VAC carries a severity weight of 7 on FMCSA's 1–10 scale. Higher weights indicate violations more strongly correlated with crash risk; FMCSA multiplies the weight by a time factor (3× for citations 0–6 months old, 2× for 6–12 months, 1× for 12–24 months) when computing the carrier's Safety Measurement System percentile.
How many inspections have cited 393.45B2-B-VAC?
3,029 inspections in our FMCSA mirror cite 393.45B2-B-VAC, of which 1,856 (61.3%) 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 393.45B2-B-VAC in?
393.45B2-B-VAC rolls up into the Vehicle Maintenance BASIC of FMCSA's Safety Measurement System. The BASIC determines how the citation feeds the carrier's percentile ranking — carriers with high percentiles in a BASIC are prioritized for FMCSA interventions including warning letters, focused investigations, and full compliance reviews.
What does a carrier do to fix 393.45B2-B-VAC?
Resolving a 393.45B2-B-VAC 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 393.45B2-B-VAC — 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 Vehicle Maintenance.
Where can I find the full text of 393.45B2-B-VAC?
The full regulatory text is published on eCFR.gov at 49 CFR 393.45. 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): Unsafe Driving, Hours-of-Service, Driver Fitness, Controlled Substances/Alcohol, Vehicle Maintenance, Hazardous Materials Compliance, and Crash Indicator. Each code carries a published severity weight (1–10) and an Out-of-Service eligibility flag.

Citations counted in the FMCSA Safety Measurement System (SMS) feed a 24-month rolling percentile rank for every motor carrier. Recent citations weigh more heavily than older ones — FMCSA applies a 3× multiplier to events 0–6 months old, 2× for 6–12 months, and 1× for 12–24 months. Carriers above the published intervention threshold for a given BASIC are prioritized for warning letters, focused investigations, and full compliance reviews.

TruckCodex mirrors the FMCSA Motor Carrier Management Information System (MCMIS) and the published violation dictionary on a daily refresh cycle. We do not author or modify violation records — every count, severity weight, and OOS flag on this page reflects what the FMCSA has on file. For real-time confirmation immediately before an enforcement decision, click through to the FMCSA Violations Search link above. Carriers who believe a citation was recorded in error can file a Request for Data Review through the FMCSA DataQs system.

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