TruckCodex

393.83(h) — Exhaust - Not securely fastened to the vehicle

FMCSA violation code under Vehicle Maintenance. 1,719 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,719
Code
393.83(h)
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
1,719
Carriers Cited
1,451

Violation Description

Exhaust - Not securely fastened to the vehicle

About This Violation Code

Code 393.83(h) 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 393.83 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,719
OOS Events
12
OOS Rate
0.7%
Top State (180d)
—

Top Carriers Cited

Ranked by frequency • 1,451 carriers total • Page 1 of 59

Top Carriers with 393.83(h) Violations

Showing 25 of 1,451

fmcsa-violations
Top Carriers with 393.83(h) Violations
#CarrierUSDOT# Violations
#1FIRST STUDENT INC35440619
#2SAN DIEGO UNIFIED SCHOOL DISTRICT280856010
#3NEW JERSEY TRANSIT CORPORATION742939
#4SAN JUAN UNIFIED SCHOOL DISTRICT26483187
#5ELKHORN PACKING CO LLC9097957
#6TPS PARKING MANAGEMENT LLC9188437
#7SP PLUS LLC6657326
#8ALDO GRACIEL BELLO DEL ANGEL28598626
#9FEDERAL EXPRESS CORPORATION868766
#10SAUL BALDOMERO RODRIGUEZ SANCHEZ6350616
#11SOPORTE Y SERVICIOS EN PRODUCTOS INDUSTRIALES S DE RL DE CV31528686
#12DOWNEAST TRANSPORTATION INC20755496
#13DURHAM SCHOOL SERVICES LP3506515
#14SAFETRANS TRANSPORTATION INC26957765
#15EASTERN SIERRA TRANSIT AUTHORITY18911754
#16APPLE VALLEY UNIFIED SCHOOL DISTRICT27429024
#17JULIO CESAR LERMA GONZALEZ24415594
#18RUBEN CARLOS TREVINO SANCHEZ16496894
#19HISTORIC TOURS OF AMERICA INC12817764
#20TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V7111254
#21CLAUDIA BELINDA ANDARZA LEAL9634354
#22HECTOR TREVINO MARTINEZ32560784
#23SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV8181754
#24VRP TRANSPORTES DE MEXICO S DE RL DE CV6620583
#25BEAR VALLEY UNIFIED SCHOOL DISTRICT28095053

Recent Inspections

Latest inspections where 393.83(h) was cited • 1,719 total events • Page 1 of 69

Recent Inspections with 393.83(h)

Showing 25 of 1,719

fmcsa-inspections
Recent Inspections with 393.83(h)
DateReport #StateLevelOOS
Oct 14, 202482898440USLevel 1No
Oct 14, 202482898373USLevel 1No
Oct 12, 202482910791ILLevel 5No
Oct 12, 202482906285NYLevel 1No
Oct 10, 202482889779CALevel 1No
Oct 10, 202482889831CALevel 5No
Oct 10, 202482889567CALevel 1Yes
Oct 10, 202482897743USLevel 2No
Oct 10, 202482891800COLevel 1No
Oct 9, 202482888719TXLevel 1No
Oct 9, 202482902440CALevel 1No
Oct 9, 202482875720ARLevel 1No
Oct 8, 202482866411MDLevel 5No
Oct 8, 202482865250USLevel 1No
Oct 8, 202482858418MILevel 1No
Oct 8, 202482856110USLevel 1No
Oct 8, 202482865226USLevel 1No
Oct 7, 202482863998COLevel 2No
Oct 7, 202482861565CALevel 1No
Oct 5, 202482885153NYLevel 2No
Oct 4, 202482837654CALevel 1No
Oct 4, 202482833532USLevel 1No
Oct 3, 202482844412GALevel 1No
Oct 3, 202482835377OKLevel 2No
Oct 3, 202482830443USLevel 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
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