TruckCodex

393.9(b) — 393.9(b)

FMCSA violation code under Vehicle Maintenance. 1,477 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,477
Code
393.9(b)
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
1,477
Carriers Cited
1,245

About This Violation Code

Code 393.9(b) falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS).

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 393.9 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,477
OOS Events
326
OOS Rate
22.1%
Top State (180d)
—

Top Carriers Cited

Ranked by frequency • 1,245 carriers total • Page 1 of 50

Top Carriers with 393.9(b) Violations

Showing 25 of 1,245

fmcsa-violations
Top Carriers with 393.9(b) Violations
#CarrierUSDOT# Violations
#1CURBSIDE WASTE INC22959927
#2AMERICAN BUILDERS & CONTRACTORS SUPPLY CO INC2510006
#3G&S AUTO SALES OF BAXLEY INC28757065
#4RS TRANSFER SA DE CV11568255
#5G-A & A FORCE TRANSPORTATION LLC37245754
#6METROPLEX GUNITE LP13049944
#7ALL STAR STORAGE & CONTAINER SALES LLC29341254
#8PARCEL SOLUTIONS LLC41029064
#9LADA TRANS INC29983814
#10MYSTIC TRANSPORTS LLC39450314
#11WESTMORELAND TRANSPORTATION INC11070714
#12LCT GROUP INC36971114
#13UNIVERSAL AUTO AND RECYCLING GRP LLC42150154
#14SITEWORK EXCAVATING LLC30667144
#15UNIVERSAL J&S CONSTRUCTION INC34359374
#16JUAN'S TRUCKING LLC24163024
#17TB2 TRANSPORTS LLC42651834
#18HIGH PLAINS TRANSPORT INC33793073
#19AUTO FLETES INTERNACIONALES FAJARDO S DE RL DE CV34081533
#20BLUESCOPE RECYCLING AND MATERIALS TRANSPORT LLC37697003
#21CROSSCOUNTRY FREIGHT SOLUTIONS INC3133783
#22LAPIN SEPTIC TANK SERVICE INC8356633
#23LADD SUPPLY COMPANY INC4797733
#24CANDID TRUCKING INCORPORATED31225623
#25L & L CARTAGE SERVICES INC9744143

Recent Inspections

Latest inspections where 393.9(b) was cited • 1,477 total events • Page 1 of 60

Recent Inspections with 393.9(b)

Showing 25 of 1,477

fmcsa-inspections
Recent Inspections with 393.9(b)
DateReport #StateLevelOOS
Oct 14, 202482908161SCLevel 5No
Oct 14, 202482900246NVLevel 2Yes
Oct 14, 202482913342CALevel 2No
Oct 14, 202482910860KSLevel 2No
Oct 14, 202482908312MALevel 2No
Oct 12, 202482897813USLevel 1No
Oct 11, 202482883140SCLevel 2No
Oct 11, 202482902187CALevel 1No
Oct 11, 202482887792OKLevel 1No
Oct 11, 202482905796WILevel 1No
Oct 10, 202482880722NVLevel 2No
Oct 10, 202482890824DCLevel 2No
Oct 10, 202482876750USLevel 1No
Oct 10, 202482902427CALevel 1Yes
Oct 10, 202482885901VALevel 2No
Oct 10, 202482892372WALevel 2Yes
Oct 10, 202482890237CALevel 2No
Oct 10, 202482893861NVLevel 1Yes
Oct 10, 202482876668USLevel 1No
Oct 10, 202482903384CALevel 1No
Oct 9, 202482876906ORLevel 2Yes
Oct 9, 202482872606CALevel 2No
Oct 9, 202482882244CALevel 5No
Oct 9, 202482875876UTLevel 2No
Oct 9, 202482866508MDLevel 2Yes

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness

Related records

CategoryAll Vehicle Maintenance Violations
Browse all violation codes in the Vehicle Maintenance BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
Inspection levels and procedures
ToolSearch Carriers
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