TruckCodex

393.9H — Inoperable head lamps

FMCSA violation code under Vehicle Maintenance. 25,067 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
25,067
Code
393.9H
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
25,067
Carriers Cited
15,873

Violation Description

Inoperable head lamps

About This Violation Code

Code 393.9H 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 393.9H in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
25,067
OOS Events
188
OOS Rate
0.7%
Top State (180d)
Texas
6,235 events

Top Enforcing States

Where 393.9H is most commonly cited (last 180 days)

1.Texas
6,235
OOS 0.3%
2.North Carolina
341
OOS 4.1%
3.Iowa
273
OOS 0.7%
4.New Mexico
223
OOS 4.0%
5.Illinois
142
OOS 5.6%
6.Kentucky
10
OOS 10.0%

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

Citation Trend (12 months)

Monthly count of 393.9H citations. Red bars mark months with OOS-triggering citations.

614
Apr
1,360
May
1,267
Jun
1,527
Jul
1,387
Aug
1,322
Sep
1,456
Oct
1,220
Nov
1,287
Dec
1,311
Jan
1,443
Feb
1,319
Mar
45
Apr

Most Active Stations

Inspection stations citing 393.9H most often (last 180 days)

1.PHARR POE
222
OOS 0.0%
2.COLUMBIA POE
217
OOS 0.9%
3.VETERANS POE
211
OOS 0.0%
4.YSLETA POE
186
OOS 1.1%
5.US281 SB FALFURRIAS SCALE
136
OOS 0.0%
6.BOTA POE
128
OOS 0.0%
7.CAMINO REAL POE
114
OOS 0.0%
8.INDIOS POE
108
OOS 0.9%
9.IH30 WB MT PLEASANT SCALE
55
OOS 0.0%
10.US77 RIVIERA SCALE
52
OOS 0.0%

Often Cited Together

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

393.92,194 co-occurrences392.2RG921 co-occurrences393.78867 co-occurrences393.9TS815 co-occurrences396.17C678 co-occurrences393.47E651 co-occurrences396.5B518 co-occurrences393.45B2UV516 co-occurrences393.11456 co-occurrences396.3A1454 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 15,873 carriers total • Page 1 of 635

Top Carriers with 393.9H Violations

Showing 25 of 15,873

fmcsa-violations
Top Carriers with 393.9H Violations
#CarrierUSDOT# Violations
#1EVANS DELIVERY COMPANY INC3811153
#2CNC LOGISTICS S DE RL DE CV272620350
#3JESUS MA VALDEZ GARCIA253478448
#4OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV68342848
#5RS TRANSFER SA DE CV115682545
#6TRANSPORTES DE CARGA SAUL SALINAS SA DE CV55767639
#7SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV81817539
#8VRP TRANSPORTES DE MEXICO S DE RL DE CV66205837
#9GULF WINDS INTERNATIONAL INC69014733
#10SERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CV55734131
#11AGGREGATE HAULERS I L P102148531
#12TRANSPORTE INTERNACIONAL LOPEZ OCHOA SA DE C V104190730
#13FEDERAL EXPRESS CORPORATION8687630
#14ISABEL CRISTINA PEREZ GARCIA407007528
#15FLETES MEXICO CHIHUAHUA SA DE CV105311827
#16AUTOLINEAS PERZA SA DE CV334693927
#17AUTOTRANSPORTES VARELA DAVILA SA DE CV171682427
#18WESTERN EXPRESS INC51141226
#19ALFREDO GARCIA GARCIA354008626
#20TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V71112526
#21LUCIO VALENZUELA ZAMORA386234625
#22CELEDONIO CASTILLO BENAVIDES203083325
#23MULTISERVICIOS EXPRESS DEL NORESTE SA DE CV86337925
#24AUTOTRANSPORTES FRONTERIZOS MG SA DE CV177053424
#25TRANSPORTES CRUZADOS SA DE CV169461124

Recent Inspections

Latest inspections where 393.9H was cited • 25,067 total events • Page 1 of 1003

Recent Inspections with 393.9H

Showing 25 of 25,067

fmcsa-inspections
Recent Inspections with 393.9H
DateReport #StateLevelOOS
Apr 2, 202687486770ILLevel 1No
Apr 2, 202687486761ILLevel 1No
Apr 2, 202687488344TXLevel 1No
Apr 2, 202687488395TXLevel 2No
Apr 2, 202687485915NCLevel 2No
Apr 2, 202687486456NCLevel 2No
Apr 2, 202687486475NCLevel 2No
Apr 2, 202687486566NCLevel 1No
Apr 2, 202687487464TXLevel 2No
Apr 2, 202687487698TXLevel 1No
Apr 2, 202687487882TXLevel 2No
Apr 2, 202687488055TXLevel 2No
Apr 2, 202687488083TXLevel 1No
Apr 1, 202687487718TXLevel 2No
Apr 1, 202687488228TXLevel 2No
Apr 1, 202687488074TXLevel 2No
Apr 1, 202687487894TXLevel 2No
Apr 1, 202687487835TXLevel 2No
Apr 1, 202687487683TXLevel 2No
Apr 1, 202687487668TXLevel 2No
Apr 1, 202687487647TXLevel 2No
Apr 1, 202687487631TXLevel 1No
Apr 1, 202687487606TXLevel 1No
Apr 1, 202687487447TXLevel 2No
Apr 1, 202687487444TXLevel 2No

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
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