TruckCodex

396.3A1-CDHM — Coupling - Horizontal movement between upper and lower halves exceeds 1/2 inch

FMCSA violation code under Vehicle Maintenance. 367 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
367
Code
396.3A1-CDHM
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
367
Carriers Cited
258

Violation Description

Coupling - Horizontal movement between upper and lower halves exceeds 1/2 inch

About This Violation Code

Code 396.3A1-CDHM 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 396.3A1 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
367
OOS Events
367
OOS Rate
100.0%
Top State (180d)
US
26 events

Top Enforcing States

Where 396.3A1-CDHM is most commonly cited (last 180 days)

1.US
26
OOS 100.0%
2.California
12
OOS 100.0%
3.Minnesota
4
OOS 100.0%
4.Arizona
3
OOS 100.0%
5.South Carolina
3
OOS 100.0%
6.Washington
2
OOS 100.0%
7.Montana
1
OOS 100.0%
8.Georgia
1
OOS 100.0%
9.Missouri
1
OOS 100.0%
10.Arkansas
1
OOS 100.0%
11.Oklahoma
1
OOS 100.0%
12.Utah
1
OOS 100.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 396.3A1-CDHM citations. Red bars mark months with OOS-triggering citations.

11
Apr
27
May
14
Jun
28
Jul
11
Aug
10
Sep
14
Oct
11
Nov
11
Dec
9
Jan
11
Feb
9
Mar

Most Active Stations

Inspection stations citing 396.3A1-CDHM most often (last 180 days)

1.NOGALES AZ
11
OOS 100.0%
2.EL PASO TX
8
OOS 100.0%
3.WB LIVERMORE SCALES
7
OOS 100.0%
4.RAINBOW IF
4
OOS 100.0%
5.TORNILLO TX
4
OOS 100.0%
6.CLE ELUM WA
2
OOS 100.0%
7.ERSKINE MN
2
OOS 100.0%
8.PRESCOTT VALLEY AZ
1
OOS 100.0%
9.INTERNATIONAL FALLS MN
1
OOS 100.0%
10.CALEXICO IF
1
OOS 100.0%

Often Cited Together

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

393.55E-B9 co-occurrences396.3A1-ALBV8 co-occurrences396.5B-L7 co-occurrences393.47E5 co-occurrences393.75A3-TAOL4 co-occurrences396.3A1-BALAC4 co-occurrences393.75C-TAOTD-LT2/323 co-occurrences393.45D-BAAL3 co-occurrences393.207A-SAPPCBLM3 co-occurrences391.11B2-Z3 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 258 carriers total • Page 1 of 11

Top Carriers with 396.3A1-CDHM Violations

Showing 25 of 258

fmcsa-violations
Top Carriers with 396.3A1-CDHM Violations
#CarrierUSDOT# Violations
#1OCTAVIO ANDRADE CORELLA55844010
#2VRP TRANSPORTES DE MEXICO S DE RL DE CV6620588
#3TRANSPORTES REFRIGERADOS CGG SA DE CV6677247
#4TPO TRANSPORTES SA DE CV30271356
#5DANIEL ERNESTO PENA COTA16476396
#6GUADALUPE GONZALEZ OROZCO25619745
#7TRANSPORTES AGUILA DE CIUDAD JUAREZ SA DE CV5553655
#8ALFONSO FLORES CASTRO22021935
#9HUNGAROS TRANSPORTISTAS SA DE CV6041974
#10MEXAM TRANSPORTATION S DE RL DE CV28810064
#11LUSANA ORNELAS RAMIREZ7804624
#12SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV8181754
#13OSCAR ENRIQUE SALDANA MENDIVIL7621084
#14GUILLERMO SOTO LLANES12864194
#15COMERCIALIZADORA MARSER SA DE CV29342284
#16TRACTOREMOLQUES AMSA SA DE CV12033733
#17RAFAEL ALFONSO MALDONADO CARDENAS30205463
#18JOSE LUIS ARMENTA GAXIOLA15315593
#19RENE ANDRADE CORELLA11394653
#20TRANSPORTES EMMA S DE RL DE CV6647563
#21JESUS DAVID BALDERRAMA FIGUEROA29489943
#22JOSE DE JESUS GUTIERREZ IZAGUIRRE9230533
#23GUILLERMO ESQUER GARCIA30368983
#24OMAR CANDELARIO HERNANDEZ BUENO20495253
#25MARCO TRANSPORT LLC25411102

Recent Inspections

Latest inspections where 396.3A1-CDHM was cited • 367 total events • Page 1 of 15

Recent Inspections with 396.3A1-CDHM

Showing 25 of 367

fmcsa-inspections
Recent Inspections with 396.3A1-CDHM
DateReport #StateLevelOOS
Mar 24, 202687398336CALevel 1Yes
Mar 23, 202687381065MTLevel 2Yes
Mar 9, 202687247334USLevel 1Yes
Mar 9, 202687325988CALevel 1Yes
Mar 9, 202687249099USLevel 1Yes
Mar 5, 202687270242MNLevel 1Yes
Mar 5, 202687240212USLevel 1Yes
Mar 3, 202687212241USLevel 1Yes
Mar 3, 202687212243USLevel 1Yes
Feb 27, 202687220724MNLevel 1Yes
Feb 25, 202687156340CALevel 1Yes
Feb 25, 202687146334USLevel 1Yes
Feb 25, 202687156453CALevel 1Yes
Feb 16, 202687096246SCLevel 1Yes
Feb 13, 202687055424USLevel 1Yes
Feb 12, 202687045441CALevel 1Yes
Feb 10, 202687035363CALevel 1Yes
Feb 5, 202686997591CALevel 1Yes
Feb 3, 202686969500CALevel 1Yes
Feb 2, 202686943678USLevel 1Yes
Jan 29, 202686921318USLevel 1Yes
Jan 29, 202686927273AZLevel 1Yes
Jan 28, 202686921020USLevel 1Yes
Jan 13, 202686797119UTLevel 2Yes
Jan 10, 202686774325MOLevel 1Yes

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
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