TruckCodex

393.55E — Coupling device/towing methods defective

FMCSA violation code under Vehicle Maintenance. 36,541 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
36,541
Code
393.55E
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
36,541
Carriers Cited
15,303

Violation Description

Coupling devices or towing methods on commercial motor vehicle are defective or inadequate.

About This Violation Code

Code 393.55E falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (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 393.55E in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
36,541
OOS Events
5
OOS Rate
0.0%
Top State (180d)
Texas
10,658 events

Top Enforcing States

Where 393.55E is most commonly cited (last 180 days)

1.Texas
10,658
OOS 0.0%
2.New Mexico
709
OOS 0.0%
3.Illinois
126
OOS 0.0%
4.Iowa
79
OOS 0.0%
5.Kentucky
19
OOS 0.0%
6.North Carolina
14
OOS 0.0%
7.Pennsylvania
4
OOS 0.0%
8.Wyoming
1
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 393.55E citations. Red bars mark months with OOS-triggering citations.

889
Apr
2,035
May
2,009
Jun
2,128
Jul
2,016
Aug
1,973
Sep
2,158
Oct
1,906
Nov
1,945
Dec
2,032
Jan
2,219
Feb
2,537
Mar
61
Apr

Most Active Stations

Inspection stations citing 393.55E most often (last 180 days)

1.YSLETA POE
1,108
OOS 0.0%
2.PHARR POE
959
OOS 0.0%
3.VETERANS POE
733
OOS 0.0%
4.BOTA POE
547
OOS 0.0%
5.US281 SB FALFURRIAS SCALE
451
OOS 0.2%
6.COLUMBIA POE
415
OOS 0.0%
7.SAN JON PORT OF ENTRY
247
OOS 0.0%
8.INDIOS POE
238
OOS 0.0%
9.US77 RIVIERA SCALE
198
OOS 0.0%
10.TEXICO PORT OF ENTRY
118
OOS 0.0%

Often Cited Together

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

393.93,704 co-occurrences393.45B2UV1,857 co-occurrences396.3A11,195 co-occurrences393.47E1,090 co-occurrences392.2RG1,060 co-occurrences393.111,043 co-occurrences393.781,031 co-occurrences396.5B904 co-occurrences396.17C853 co-occurrences393.75C750 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 15,303 carriers total • Page 1 of 613

Top Carriers with 393.55E Violations

Showing 25 of 15,303

fmcsa-violations
Top Carriers with 393.55E Violations
#CarrierUSDOT# Violations
#1SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV818175341
#2TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V711125260
#3OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV683428227
#4TRANSPORTES AGUILA DE CIUDAD JUAREZ SA DE CV555365205
#5SERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CV557341200
#6TRANSPORTE INTERNACIONAL LOPEZ OCHOA SA DE C V1041907188
#7AUTOTRANSPORTES ROMEDU SA DE CV1148259187
#8VRP TRANSPORTES DE MEXICO S DE RL DE CV662058179
#9RUBEN CARLOS TREVINO SANCHEZ1649689174
#10RS TRANSFER SA DE CV1156825163
#11TRANSPORTES DE CARGA SAUL SALINAS SA DE CV557676156
#12FLETES MEXICO CHIHUAHUA SA DE CV1053118155
#13SERGIO VARELA MALDONADO725226152
#14TRANSPORTATION AND CARGO SOLUTIONS S DE RL DE CV779973123
#15SERVICIOS ESPECIALIZADOS ALANIS SA DE CV559477118
#16FLETES Y ACARREOS DE REYNOSA SA DE CV851574103
#17AUTOTRANSPORTES VARELA DAVILA SA DE CV1716824101
#18SERVICIO BINACIONAL DE TRANSPORTE RAMOS SA DE CV62469599
#19AUTOTRANSPORTES FRONTERIZOS MG SA DE CV177053498
#20FLETES SOTELO SA DE CV25892390
#21AUTOFLETES GOMEZ LEAL SA DE CV208530890
#22TRANSPORTES LARMEX SA DE CV243635390
#23BORDER EXPRESS DE MEXICO SA DE CV169217988
#24TRANSPORTES SOTO E HIJOS S A DE C V82445486
#25ANTRIAVI SA DE CV352490782

Recent Inspections

Latest inspections where 393.55E was cited • 36,541 total events • Page 1 of 1462

Recent Inspections with 393.55E

Showing 25 of 36,541

fmcsa-inspections
Recent Inspections with 393.55E
DateReport #StateLevelOOS
Apr 2, 202687488082TXLevel 2No
Apr 2, 202687487494TXLevel 1No
Apr 2, 202687487733TXLevel 2No
Apr 2, 202687487732TXLevel 2No
Apr 2, 202687486822ILLevel 2No
Apr 2, 202687487659TXLevel 2No
Apr 2, 202687486760ILLevel 1No
Apr 2, 202687488093TXLevel 2No
Apr 2, 202687487642TXLevel 2No
Apr 2, 202687486314NCLevel 2No
Apr 2, 202687487921TXLevel 1No
Apr 2, 202687487260TXLevel 2No
Apr 2, 202687488342TXLevel 2No
Apr 2, 202687487493TXLevel 1No
Apr 2, 202687487147TXLevel 1No
Apr 2, 202687488127TXLevel 2No
Apr 2, 202687488045TXLevel 2No
Apr 1, 202687487339TXLevel 2No
Apr 1, 202687487948TXLevel 1No
Apr 1, 202687487905TXLevel 2No
Apr 1, 202687487238TXLevel 2No
Apr 1, 202687487197TXLevel 2No
Apr 1, 202687487140TXLevel 2No
Apr 1, 202687487125TXLevel 2No
Apr 1, 202687487053TXLevel 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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