TruckCodex

393.9B-LIL — Lighting - Identification lamp(s) obscured

FMCSA violation code under Vehicle Maintenance. 1,554 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,554
Code
393.9B-LIL
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
1,554
Carriers Cited
1,463

Violation Description

Lighting - Identification lamp(s) obscured

About This Violation Code

Code 393.9B-LIL 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 393.9B in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,554
OOS Events
0
OOS Rate
0.0%
Top State (180d)
California
42 events

Top Enforcing States

Where 393.9B-LIL is most commonly cited (last 180 days)

1.California
42
OOS 0.0%
2.Arizona
30
OOS 0.0%
3.Florida
28
OOS 0.0%
4.New York
24
OOS 0.0%
5.Wisconsin
21
OOS 0.0%
6.Pennsylvania
19
OOS 0.0%
7.Maryland
18
OOS 0.0%
8.Massachusetts
16
OOS 0.0%
9.Washington
16
OOS 0.0%
10.Georgia
16
OOS 0.0%
11.Missouri
15
OOS 0.0%
12.US
12
OOS 0.0%
13.Virginia
11
OOS 0.0%
14.Minnesota
10
OOS 0.0%
15.Alaska
10
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 393.9B-LIL citations. Red bars mark months with OOS-triggering citations.

34
Apr
102
May
71
Jun
86
Jul
98
Aug
68
Sep
87
Oct
67
Nov
71
Dec
83
Jan
73
Feb
73
Mar
3
Apr

Most Active Stations

Inspection stations citing 393.9B-LIL most often (last 180 days)

1.ANCHORAGE AK
9
OOS 0.0%
2.PA
8
OOS 0.0%
3.PHOENIX AZ
6
OOS 0.0%
4.NJ
6
OOS 0.0%
5.H-ROWLEY
5
OOS 0.0%
6.LAREDO TX
5
OOS 0.0%
7.SPOTSYLVANIA COURTHOUSE VA
4
OOS 0.0%
8.YULEE FL
3
OOS 0.0%
9.YUMA AZ
3
OOS 0.0%
10.BOISE ID
3
OOS 0.0%

Often Cited Together

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

392.2-SLLSR57 co-occurrences396.17C-PI47 co-occurrences393.9A-LCL25 co-occurrences393.9B-LTSO20 co-occurrences396.5B-L19 co-occurrences393.9A-LLPL18 co-occurrences393.78A-WS18 co-occurrences393.47E17 co-occurrences393.75C-TAOTD-LT2/3216 co-occurrences392.2-SLL16 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 1,463 carriers total • Page 1 of 59

Top Carriers with 393.9B-LIL Violations

Showing 25 of 1,463

fmcsa-violations
Top Carriers with 393.9B-LIL Violations
#CarrierUSDOT# Violations
#1LADA TRANS INC29983816
#2BFI WASTE SERVICES LLC9620895
#3FEDERAL EXPRESS CORPORATION868764
#4BM 5 EXPRESS LLC42521143
#5SPLASH TRANSPORT INC17651503
#6WASTE MANAGEMENT INC OF FLORIDA8563513
#7WASTE PRO OF FLORIDA INC10026963
#8LEXI'S TOWING AND TRANSPORTATION SERVICE LLC10842513
#9NEW PRIME INC37063
#10SNOW WHITE INC16933903
#11PDL LOGISTICS LLC40822263
#12KLU TRANS LLC42630463
#13ROLLING FRITO LAY SALES LP9261503
#14MARTIN ORTIZ SOLIS31848592
#15ARMANDO GERARDO ALONSO RODRIGUEZ30160302
#16J B HUNT TRANSPORT INC808062
#17CONTAINERPORT GROUP INC2327342
#18SNAKE CREEK AG LLC38572102
#19HILCO TRANSPORT INC3284632
#20FRY ENTERPRISE LLC39653272
#21LA FE TRANSPORT INC33675502
#22SALSON LOGISTICS INC7077892
#23CHILO'S TRUCKING LLC11544602
#24REPUBLIC SERVICES OF FLORIDA LP4635952
#25JR SPEED TRANSPORT LLC41433502

Recent Inspections

Latest inspections where 393.9B-LIL was cited • 1,554 total events • Page 1 of 63

Recent Inspections with 393.9B-LIL

Showing 25 of 1,554

fmcsa-inspections
Recent Inspections with 393.9B-LIL
DateReport #StateLevelOOS
Apr 1, 202687477779MILevel 2No
Apr 1, 202687484408VALevel 2No
Apr 1, 202687482215FLLevel 2No
Mar 31, 202687476812MELevel 1No
Mar 31, 202687470261CALevel 1No
Mar 31, 202687458002IDLevel 2No
Mar 30, 202687436326PALevel 2No
Mar 30, 202687472676GALevel 1No
Mar 27, 202687434525WILevel 2No
Mar 26, 202687400400CTLevel 2No
Mar 26, 202687484041MDLevel 2No
Mar 26, 202687406589KYLevel 1No
Mar 25, 202687427176VALevel 2No
Mar 25, 202687424647CALevel 2No
Mar 25, 202687401935USLevel 1No
Mar 24, 202687393089UTLevel 2No
Mar 24, 202687389668USLevel 1No
Mar 24, 202687422714PALevel 1No
Mar 24, 202687447372MNLevel 1No
Mar 24, 202687402653AZLevel 2No
Mar 23, 202687369146USLevel 1No
Mar 21, 202687377840GALevel 2No
Mar 21, 202687369897IDLevel 2No
Mar 19, 202687332107AKLevel 1No
Mar 19, 202687348272AZLevel 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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