393.75B-TFV — Tire tread depth insufficient (steer)

FMCSA violation code under Vehicle Maintenance. 7,764 events recorded in roadside inspections. Severity weight: 7.

Severity Weight
7
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
7,764
Code
393.75B-TFV
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
7
Violation Group
Total Events
7,764
Carriers Cited
5,391

Violation Description

Tire on the steer axle of a CMV has less than 4/32 inch tread depth.

About This Violation Code

Code 393.75B-TFV 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 393.75B in the Federal Motor Carrier Safety Regulations.

Events (all time)
7,764
OOS Events
23
OOS Rate
0.3%
Top State (180d)
US
390 events

Top Enforcing States

Where 393.75B-TFV is most commonly cited (last 180 days)

1.US
390
OOS 0.0%
2.California
306
OOS 1.6%
3.New York
141
OOS 0.0%
4.Pennsylvania
99
OOS 0.0%
5.Missouri
86
OOS 0.0%
6.Maryland
62
OOS 0.0%
7.Wisconsin
58
OOS 0.0%
8.Virginia
56
OOS 0.0%
9.Georgia
53
OOS 0.0%
10.Florida
48
OOS 0.0%
11.Kansas
47
OOS 0.0%
12.New Jersey
46
OOS 0.0%
13.Minnesota
44
OOS 0.0%
14.Colorado
39
OOS 0.0%
15.Alabama
33
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 393.75B-TFV citations. Red bars mark months with OOS-triggering citations.

191
Apr
455
May
452
Jun
459
Jul
513
Aug
430
Sep
450
Oct
329
Nov
345
Dec
317
Jan
318
Feb
341
Mar
15
Apr

Most Active Stations

Inspection stations citing 393.75B-TFV most often (last 180 days)

1.LAREDO TX
121
OOS 0.0%
2.EL PASO TX
65
OOS 0.0%
3.NOGALES AZ
60
OOS 0.0%
4.OTAY MESA IF
51
OOS 0.0%
5.GILROY IF
43
OOS 0.0%
6.SAN DIEGO CA
39
OOS 0.0%
7.NJ
36
OOS 0.0%
8.PA
19
OOS 0.0%
9.DOUGLAS AZ
19
OOS 0.0%
10.SAN LUIS AZ
18
OOS 0.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 5,391 carriers total • Page 1 of 216

Recent Inspections

Latest inspections where 393.75B-TFV was cited • 7,764 total events • Page 1 of 311

Recent Inspections with 393.75B-TFV

Showing 25 of 7,764

fmcsa-inspections
Recent Inspections with 393.75B-TFV
DateReport #StateLevelOOS
Apr 2, 202687481816ALLevel 1No
Apr 1, 202687475125PALevel 1No
Apr 1, 202687476742MALevel 1No
Apr 1, 202687475177MDLevel 1No
Apr 1, 202687458291VALevel 2No
Apr 1, 202687458900PALevel 2No
Apr 1, 202687465458OKLevel 2No
Apr 1, 202687469773CALevel 2No
Apr 1, 202687483998AZLevel 2No
Apr 1, 202687482372OHLevel 2No
Apr 1, 202687475195USLevel 1No
Apr 1, 202687454223CTLevel 2No
Apr 1, 202687480595CALevel 1No
Apr 1, 202687483628AZLevel 2No
Mar 31, 202687483141GALevel 1No
Mar 31, 202687456692PALevel 1No
Mar 31, 202687456999PALevel 2No
Mar 31, 202687469780CALevel 1No
Mar 31, 202687457277USLevel 1No
Mar 31, 202687457323USLevel 1No
Mar 31, 202687478649WYLevel 1No
Mar 31, 202687458702ALLevel 2No
Mar 31, 202687483599WILevel 1No
Mar 30, 202687474418ALLevel 2No
Mar 30, 202687447126USLevel 1No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness