393.30-B — Battery improperly secured

FMCSA violation code under Vehicle Maintenance. 11,621 events recorded in roadside inspections. Severity weight: 3.

Severity Weight
3
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
11,621
Code
393.30-B
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
3
Violation Group
Total Events
11,621
Carriers Cited
8,911

Violation Description

CMV battery is not securely mounted or properly covered.

About This Violation Code

Code 393.30-B 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 393.30 in the Federal Motor Carrier Safety Regulations.

Events (all time)
11,621
OOS Events
4
OOS Rate
0.0%
Top State (180d)
California
843 events

Top Enforcing States

Where 393.30-B is most commonly cited (last 180 days)

1.California
843
OOS 0.0%
2.US
376
OOS 0.0%
3.Florida
260
OOS 0.0%
4.New Jersey
259
OOS 0.0%
5.Arizona
208
OOS 0.0%
6.New York
156
OOS 0.0%
7.Georgia
148
OOS 0.0%
8.Washington
121
OOS 0.0%
9.Colorado
85
OOS 0.0%
10.Pennsylvania
73
OOS 0.0%
11.Missouri
70
OOS 0.0%
12.Maryland
67
OOS 0.0%
13.Alabama
58
OOS 0.0%
14.Ohio
41
OOS 0.0%
15.Oklahoma
39
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 393.30-B citations. Red bars mark months with OOS-triggering citations.

295
Apr
628
May
606
Jun
658
Jul
677
Aug
691
Sep
627
Oct
586
Nov
563
Dec
613
Jan
662
Feb
684
Mar
35
Apr

Most Active Stations

Inspection stations citing 393.30-B most often (last 180 days)

1.LAREDO TX
217
OOS 0.0%
2.NJ
168
OOS 0.0%
3.SAN ONOFRE IF
67
OOS 0.0%
4.KINGMAN AZ
58
OOS 0.0%
5.NIMITZ IF
50
OOS 0.0%
6.GILROY IF
43
OOS 0.0%
7.CORDELIA IF
43
OOS 0.0%
8.TILFORD SD
36
OOS 0.0%
9.DESERT HILLS IF
35
OOS 0.0%
10.KANSAS CITY MO
32
OOS 0.0%

Often Cited Together

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

Top Carriers Cited

Ranked by frequency • 8,911 carriers total • Page 1 of 357

Recent Inspections

Latest inspections where 393.30-B was cited • 11,621 total events • Page 1 of 465

Recent Inspections with 393.30-B

Showing 25 of 11,621

fmcsa-inspections
Recent Inspections with 393.30-B
DateReport #StateLevelOOS
Apr 3, 202687489356CALevel 2No
Apr 3, 202687488785CALevel 2No
Apr 3, 202687485048USLevel 1No
Apr 3, 202687485228ALLevel 2No
Apr 2, 202687475619AKLevel 1No
Apr 2, 202687476237USLevel 1No
Apr 2, 202687476644ALLevel 2No
Apr 2, 202687484691FLLevel 2No
Apr 2, 202687484875USLevel 1No
Apr 2, 202687489440CALevel 2No
Apr 2, 202687489121CALevel 2No
Apr 2, 202687484893USLevel 1No
Apr 2, 202687488536CALevel 1No
Apr 2, 202687488641CALevel 2No
Apr 2, 202687488535CALevel 1No
Apr 2, 202687488488CALevel 1No
Apr 2, 202687475450PALevel 2No
Apr 1, 202687480419CALevel 2No
Apr 1, 202687475061USLevel 1No
Apr 1, 202687475042USLevel 1No
Apr 1, 202687485582MOLevel 2No
Apr 1, 202687485315SDLevel 2No
Apr 1, 202687485082USLevel 1No
Apr 1, 202687484073FLLevel 2No
Apr 1, 202687483219FLLevel 2No

Data sources & freshness

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