TruckCodex

393.53B — Steering system components worn

FMCSA violation code under Vehicle Maintenance. 41,722 events recorded in roadside inspections. Severity weight: 7.

Severity Weight
7
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
41,722
Code
393.53B
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
7
Violation Group
—
Total Events
41,722
Carriers Cited
20,486

Violation Description

Steering system components (universal joints, ball joints, tie rods, drag links, pitman arms) are worn, fatigued, or defective.

About This Violation Code

Code 393.53B falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (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 393.53B in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
41,722
OOS Events
0
OOS Rate
0.0%
Top State (180d)
Texas
11,560 events

Top Enforcing States

Where 393.53B is most commonly cited (last 180 days)

1.Texas
11,560
OOS 0.0%
2.New Mexico
555
OOS 0.0%
3.Illinois
145
OOS 0.0%
4.Iowa
134
OOS 0.0%
5.Kentucky
9
OOS 0.0%
6.North Carolina
4
OOS 0.0%
7.Pennsylvania
3
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 393.53B citations. Red bars mark months with OOS-triggering citations.

1,010
Apr
2,678
May
2,014
Jun
2,193
Jul
2,250
Aug
1,915
Sep
2,279
Oct
2,026
Nov
1,772
Dec
2,435
Jan
2,540
Feb
2,491
Mar
98
Apr

Most Active Stations

Inspection stations citing 393.53B most often (last 180 days)

1.YSLETA POE
1,163
OOS 0.0%
2.PHARR POE
750
OOS 0.0%
3.COLUMBIA POE
718
OOS 0.0%
4.BOTA POE
456
OOS 0.0%
5.VETERANS POE
351
OOS 0.0%
6.US281 SB FALFURRIAS SCALE
215
OOS 0.0%
7.LORDSBURG PORT OF ENTRY
209
OOS 0.0%
8.US77 RIVIERA SCALE
195
OOS 0.0%
9.INDIOS POE
177
OOS 0.0%
10.IH35 SB DEVINE SCALE
154
OOS 0.0%

Often Cited Together

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

393.47E8,143 co-occurrences393.92,713 co-occurrences396.3A1BOS2,073 co-occurrences393.45B2UV2,066 co-occurrences396.3A11,562 co-occurrences396.5B1,304 co-occurrences392.2RG1,056 co-occurrences393.78997 co-occurrences393.48A866 co-occurrences393.75C675 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 20,486 carriers total • Page 1 of 820

Top Carriers with 393.53B Violations

Showing 25 of 20,486

fmcsa-violations
Top Carriers with 393.53B Violations
#CarrierUSDOT# Violations
#1SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV818175263
#2OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV683428183
#3TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V711125171
#4SERVICIO DE TRANSPORTE INTERNACIONAL Y LOCAL SA DE CV557341168
#5TRANSPORTATION AND CARGO SOLUTIONS S DE RL DE CV779973159
#6TRANSPORTES AGUILA DE CIUDAD JUAREZ SA DE CV555365132
#7VRP TRANSPORTES DE MEXICO S DE RL DE CV662058127
#8SERGIO VARELA MALDONADO725226125
#9SERVICIOS DE LOGISTICA TRANSNACIONAL EN TRANSPORTACION SA DE CV2380911112
#10BORDER EXPRESS DE MEXICO SA DE CV1692179101
#11TRANSPORTES SOTO E HIJOS S A DE C V82445495
#12TRANSPORTES CRUZADOS SA DE CV169461190
#13AUTOTRANSPORTES VARELA DAVILA SA DE CV171682479
#14TRANSPORTES LARMEX SA DE CV243635378
#15EVANS DELIVERY COMPANY INC3811169
#16AGGREGATE HAULERS I L P102148567
#17TRANSPORTES DE MAQUILAS DE CD JUAREZ SA DE CV71038367
#18THO LOGISTIC SA DE CV411394862
#19FLETES SOTELO SA DE CV25892361
#20RGX TRANSPORTE DE CARGA INTERNACIONAL SA DE CV120767859
#21FLETES MEXICO CHIHUAHUA SA DE CV105311858
#22RS TRANSFER SA DE CV115682558
#23SOPORTE Y SERVICIOS EN PRODUCTOS INDUSTRIALES S DE RL DE CV315286858
#24TEXAS INTERNATIONAL ENTERPRISES INC219691255
#25LINEA AMERICA TRANSPORTE S DE RL DE CV324004355

Recent Inspections

Latest inspections where 393.53B was cited • 41,722 total events • Page 1 of 1669

Recent Inspections with 393.53B

Showing 25 of 41,722

fmcsa-inspections
Recent Inspections with 393.53B
DateReport #StateLevelOOS
Apr 2, 202687486760ILLevel 1No
Apr 2, 202687487622TXLevel 1No
Apr 2, 202687487795TXLevel 1No
Apr 2, 202687486827ILLevel 1No
Apr 2, 202687487686TXLevel 1No
Apr 2, 202687488084TXLevel 1No
Apr 2, 202687487293TXLevel 2No
Apr 2, 202687487520TXLevel 1No
Apr 2, 202687488020TXLevel 1No
Apr 2, 202687487147TXLevel 1No
Apr 2, 202687488344TXLevel 1No
Apr 2, 202687488191TXLevel 1No
Apr 2, 202687487211TXLevel 1No
Apr 2, 202687488083TXLevel 1No
Apr 2, 202687488055TXLevel 2No
Apr 2, 202687487697TXLevel 1No
Apr 2, 202687486761ILLevel 1No
Apr 2, 202687488363TXLevel 1No
Apr 1, 202687479471TXLevel 1No
Apr 1, 202687488269TXLevel 1No
Apr 1, 202687487885TXLevel 1No
Apr 1, 202687488124TXLevel 1No
Apr 1, 202687488079TXLevel 1No
Apr 1, 202687487968TXLevel 1No
Apr 1, 202687487833TXLevel 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
ToolSearch Carriers
Look up carriers by USDOT, name, or VIN