TruckCodex

393.9A-LLPL — Inoperable required lamps

FMCSA violation code under Vehicle Maintenance. 53,261 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
53,261
Code
393.9A-LLPL
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
3
Violation Group
—
Total Events
53,261
Carriers Cited
36,017

Violation Description

Operating a commercial motor vehicle with inoperable required lamps.

About This Violation Code

Code 393.9A-LLPL 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)
53,261
OOS Events
0
OOS Rate
0.0%
Top State (180d)
California
2,099 events

Top Enforcing States

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

1.California
2,099
OOS 0.0%
2.New York
1,978
OOS 0.0%
3.US
1,257
OOS 0.0%
4.Arizona
899
OOS 0.0%
5.Pennsylvania
831
OOS 0.0%
6.New Jersey
720
OOS 0.0%
7.Florida
646
OOS 0.0%
8.Maryland
517
OOS 0.0%
9.Washington
469
OOS 0.0%
10.Missouri
456
OOS 0.0%
11.Connecticut
406
OOS 0.0%
12.Wisconsin
374
OOS 0.0%
13.Alabama
368
OOS 0.0%
14.Colorado
338
OOS 0.0%
15.Ohio
331
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-LLPL citations. Red bars mark months with OOS-triggering citations.

1,465
Apr
3,019
May
2,797
Jun
3,146
Jul
3,103
Aug
3,002
Sep
3,001
Oct
2,358
Nov
2,458
Dec
2,600
Jan
2,720
Feb
2,837
Mar
129
Apr

Most Active Stations

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

1.NJ
451
OOS 0.0%
2.LAREDO TX
395
OOS 0.0%
3.BROWNSVILLE TX
291
OOS 0.0%
4.DESERT HILLS IF
242
OOS 0.0%
5.NOGALES AZ
210
OOS 0.0%
6.PA
193
OOS 0.0%
7.CORDELIA IF
173
OOS 0.0%
8.RAINBOW IF
141
OOS 0.0%
9.YUMA AZ
107
OOS 0.0%
10.SAN ONOFRE IF
100
OOS 0.0%

Often Cited Together

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

393.9A-LIL1,874 co-occurrences396.17C-PI1,597 co-occurrences392.2-SLLSR1,271 co-occurrences393.9A-LCL1,105 co-occurrences393.9A-LSML1,034 co-occurrences393.75A3-TAOL719 co-occurrences393.78A-WS670 co-occurrences393.9A-LRLI667 co-occurrences393.75C-TAOTD-LT2/32647 co-occurrences393.55E-B640 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 36,017 carriers total • Page 1 of 1441

Top Carriers with 393.9A-LLPL Violations

Showing 25 of 36,017

fmcsa-violations
Top Carriers with 393.9A-LLPL Violations
#CarrierUSDOT# Violations
#1JESUS PEDRO PEREZ CARRILLO1159851122
#2WESTERN EXPRESS INC511412114
#3FEDERAL EXPRESS CORPORATION86876105
#4OCTAVIO ANDRADE CORELLA55844095
#5TRANSPORTE INTERNACIONAL LOPEZ OCHOA SA DE C V104190792
#6TRANSPORTES EMMA S DE RL DE CV66475689
#7JOSE LUIS ARMENTA GAXIOLA153155969
#8RUBEN CARLOS TREVINO SANCHEZ164968962
#9RS TRANSFER SA DE CV115682562
#10GUILLERMO ESQUER GARCIA303689857
#11SWIFT TRANSPORTATION CO OF ARIZONA LLC5428356
#12ALFONSO GRIJALVA GRACIA98885747
#13FLAVIO FIGUEROA PORTILLO304425947
#14AUTOTRANSPORTES ROMEDU SA DE CV114825947
#15JORGE ARMANDO PINEDA CERVANTES233927846
#16LIPSA TRANSPORTES SA DE CV258414444
#17AUTO HAUL EXPRESS LLC432932543
#18J B HUNT TRANSPORT INC8080642
#19EVANS DELIVERY COMPANY INC3811141
#20UNITED PARCEL SERVICE INC2180039
#21KORAIMA EVELYN GRIJALVA DE LA ROSA374793439
#22JOSE JUAN ARMENTA SOTO200707839
#23ALFONSO FLORES CASTRO220219338
#24MARIO R GRIJALVA83704438
#25SERVICIOS RAPIDOS TREBOL SA DE CV82553538

Recent Inspections

Latest inspections where 393.9A-LLPL was cited • 53,261 total events • Page 1 of 2131

Recent Inspections with 393.9A-LLPL

Showing 25 of 53,261

fmcsa-inspections
Recent Inspections with 393.9A-LLPL
DateReport #StateLevelOOS
Apr 3, 202687484858NYLevel 1No
Apr 3, 202687489574CALevel 1No
Apr 3, 202687485665MALevel 1No
Apr 3, 202687485006PALevel 2No
Apr 3, 202687486888MILevel 2No
Apr 3, 202687485021USLevel 1No
Apr 3, 202687485348MOLevel 1No
Apr 2, 202687489562CALevel 2No
Apr 2, 202687480838CALevel 2No
Apr 2, 202687484225PALevel 2No
Apr 2, 202687476659ALLevel 2No
Apr 2, 202687476443USLevel 1No
Apr 2, 202687478024MILevel 2No
Apr 2, 202687481153CALevel 1No
Apr 2, 202687484625OHLevel 2No
Apr 2, 202687484801FLLevel 1No
Apr 2, 202687488454CALevel 5No
Apr 2, 202687488453CALevel 5No
Apr 2, 202687488452CALevel 5No
Apr 2, 202687488418CALevel 1No
Apr 2, 202687476761MALevel 2No
Apr 2, 202687476674PALevel 2No
Apr 2, 202687486868MILevel 1No
Apr 2, 202687489382CALevel 2No
Apr 2, 202687489383CALevel 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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