TruckCodex

393.9A-LCL — Inoperable required lamps

FMCSA violation code under Vehicle Maintenance. 62,384 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
62,384
Code
393.9A-LCL
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
3
Violation Group
—
Total Events
62,384
Carriers Cited
39,995

Violation Description

Operating a commercial motor vehicle with inoperable required lamps.

About This Violation Code

Code 393.9A-LCL falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 3 (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 393.9A in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
62,384
OOS Events
3
OOS Rate
0.0%
Top State (180d)
California
2,838 events

Top Enforcing States

Where 393.9A-LCL is most commonly cited (last 180 days)

1.California
2,838
OOS 0.0%
2.New York
1,414
OOS 0.0%
3.US
1,371
OOS 0.0%
4.Florida
1,088
OOS 0.0%
5.Maryland
965
OOS 0.0%
6.New Jersey
847
OOS 0.0%
7.Arizona
711
OOS 0.0%
8.Washington
655
OOS 0.0%
9.Pennsylvania
538
OOS 0.0%
10.Georgia
527
OOS 0.0%
11.Michigan
436
OOS 0.0%
12.Ohio
435
OOS 0.0%
13.Wisconsin
419
OOS 0.0%
14.Connecticut
418
OOS 0.0%
15.Missouri
390
OOS 0.0%

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

Citation Trend (12 months)

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

1,634
Apr
3,462
May
3,322
Jun
3,525
Jul
3,518
Aug
3,596
Sep
3,340
Oct
2,747
Nov
2,907
Dec
2,954
Jan
2,977
Feb
3,439
Mar
149
Apr

Most Active Stations

Inspection stations citing 393.9A-LCL most often (last 180 days)

1.NJ
528
OOS 0.0%
2.LAREDO TX
447
OOS 0.0%
3.CORDELIA IF
256
OOS 0.0%
4.BROWNSVILLE TX
209
OOS 0.0%
5.DESERT HILLS IF
187
OOS 0.0%
6.NOGALES AZ
185
OOS 0.0%
7.BALTIMORE MD
154
OOS 0.0%
8.RAINBOW IF
143
OOS 0.0%
9.SAN ONOFRE IF
139
OOS 0.0%
10.PHARR TX
130
OOS 0.0%

Often Cited Together

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

393.9A-LIL3,118 co-occurrences396.17C-PI1,439 co-occurrences392.2-SLLSR1,172 co-occurrences393.9A-LSML1,165 co-occurrences393.9A-LLPL1,008 co-occurrences393.75A3-TAOL756 co-occurrences393.78A-WS748 co-occurrences393.9A-LRLI747 co-occurrences393.47E705 co-occurrences393.55E-B656 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 39,995 carriers total • Page 1 of 1600

Top Carriers with 393.9A-LCL Violations

Showing 25 of 39,995

fmcsa-violations
Top Carriers with 393.9A-LCL Violations
#CarrierUSDOT# Violations
#1FEDERAL EXPRESS CORPORATION86876152
#2JESUS PEDRO PEREZ CARRILLO115985196
#3SWIFT TRANSPORTATION CO OF ARIZONA LLC5428394
#4TRANSPORTES EMMA S DE RL DE CV66475690
#5WESTERN EXPRESS INC51141283
#6OCTAVIO ANDRADE CORELLA55844080
#7ALFONSO GRIJALVA GRACIA98885776
#8LIPSA TRANSPORTES SA DE CV258414471
#9TRANSPORTES DE CARGA SAUL SALINAS SA DE CV55767670
#10UNITED PARCEL SERVICE INC2180066
#11TRANSPORTE INTERNACIONAL LOPEZ OCHOA SA DE C V104190760
#12J B HUNT TRANSPORT INC8080660
#13JOSE LUIS ARMENTA GAXIOLA153155957
#14DANIEL ERNESTO PENA COTA164763954
#15AUTOTRANSPORTES ROMEDU SA DE CV114825953
#16EVANS DELIVERY COMPANY INC3811152
#17LAZARO TERAN QUIROZ206823348
#18VRP TRANSPORTES DE MEXICO S DE RL DE CV66205847
#19JORGE ARMANDO PINEDA CERVANTES233927847
#20TRANSPORTE INTERNACIONAL JONICK LOPEZ SA DE CV82098145
#21ALMA LUZ SANTOS SALDIVAR180607145
#22JESUS DAVID BALDERRAMA FIGUEROA294899444
#23CENTRAL TRANSPORT LLC66117343
#24AUTOTRANSPORTES FRONTERIZOS MG SA DE CV177053443
#25KORAIMA EVELYN GRIJALVA DE LA ROSA374793440

Recent Inspections

Latest inspections where 393.9A-LCL was cited • 62,384 total events • Page 1 of 2496

Recent Inspections with 393.9A-LCL

Showing 25 of 62,384

fmcsa-inspections
Recent Inspections with 393.9A-LCL
DateReport #StateLevelOOS
Apr 3, 202687489575CALevel 1No
Apr 3, 202687485073KSLevel 2No
Apr 3, 202687489501CALevel 2No
Apr 3, 202687489412CALevel 2No
Apr 3, 202687485090USLevel 1No
Apr 3, 202687485667MALevel 2No
Apr 3, 202687486871MILevel 2No
Apr 3, 202687489424CALevel 2No
Apr 3, 202687489413CALevel 2No
Apr 3, 202687485011USLevel 2No
Apr 3, 202687485105USLevel 1No
Apr 2, 202687476294USLevel 1No
Apr 2, 202687476275USLevel 1No
Apr 2, 202687476224ALLevel 2No
Apr 2, 202687476140PALevel 1No
Apr 2, 202687488806CALevel 1No
Apr 2, 202687484711VALevel 2No
Apr 2, 202687484975VALevel 1No
Apr 2, 202687488741CALevel 5No
Apr 2, 202687480566CALevel 2No
Apr 2, 202687484801FLLevel 1No
Apr 2, 202687480493CALevel 1No
Apr 2, 202687480269CALevel 1No
Apr 2, 202687480339CALevel 3No
Apr 2, 202687477408OKLevel 1No

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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