Equipment unit · VIN-decoded · NHTSA vPIC

2023 Carmex

3A9DM4835PG019343 · TRAILER
Carriers run under4
14 mo
Inspections9
all-time
OOS inspections1
of 9
First seenDec 4, 2023
TX
Last seenFeb 28, 2025
TX
Inspected under 4 different carriers in 14 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3A9DM4835PG019343
Make
Carmex
Model
Not decoded
Model year
2023
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 19, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 4, 2023 – Feb 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 28, 2025TXII · Walk-around1OOSSERGIO TADEO RODRIGUEZ MARES 328061121UN9N/MX
Dec 24, 2024TXIII · Driver-only0—YOLANDA MARES LUCIO 371088121UN9N/MX
Nov 14, 2024TXII · Walk-around5—YOLANDA MARES LUCIO 371088121UN9N/MX
Nov 8, 2024TXI · Full10—YOLANDA MARES LUCIO 371088121UN9N/MX
Oct 30, 2024USI · Full13—YOLANDA MARES LUCIO 371088121UN9N/MX
Sep 19, 2024TXII · Walk-around5—YOLANDA MARES LUCIO 371088121UN9N/MX
Aug 29, 2024TXII · Walk-around3—LUIS ALBERTO MELENDEZ MACIEL 374782221UN9N/MX
Jul 22, 2024TXII · Walk-around3—SERGIO TADEO RODRIGUEZ MARES 328061121UN9N/MX
Dec 4, 2023TXII · Walk-around2—JULIO RODOLFO GONZALEZ OLVEDA 292750821UN9N/MX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERGIO TADEO RODRIGUEZ MARES3280611Jul 22, 2024Feb 28, 20252TA
YOLANDA MARES LUCIO3710881Sep 19, 2024Dec 24, 20245TA
LUIS ALBERTO MELENDEZ MACIEL3747822Aug 29, 2024Aug 29, 20241TA
JULIO RODOLFO GONZALEZ OLVEDA2927508Dec 4, 2023Dec 4, 20231MX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
21UN9NMX—SERGIO TADEO RODRIGUEZ MARESJul 22, 2024 → Feb 28, 20252
21UN9NMX—YOLANDA MARES LUCIOSep 19, 2024 → Dec 24, 20245
21UN9NMX—LUIS ALBERTO MELENDEZ MACIELAug 29, 2024 → Aug 29, 20241
21UN9NMX—JULIO RODOLFO GONZALEZ OLVEDADec 4, 2023 → Dec 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026