Equipment unit · VIN-decoded · NHTSA vPIC

2022 Carmex

3A9DM4837NG019132 · TRAILER
Carriers run under4
16 mo
Inspections10
all-time
OOS inspections4
of 10
First seenJul 12, 2023
TX
Last seenNov 20, 2024
TX
Inspected under 4 different carriers in 16 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
3A9DM4837NG019132
Make
Carmex
Model
Not decoded
Model year
2022
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.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
3A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DM483

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1992 or 2022

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
019132

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
CARMEX

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 12, 2023 – Nov 20, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 20, 2024TXII · Walk-around6OOSJORGE PRISCILIANO RENTERIA CAMPOS 355156969UM4B/MX
Oct 17, 2024TXII · Walk-around5LUIS ALBERTO MELENDEZ MACIEL 374782269UM4B/MX
Sep 27, 2024TXII · Walk-around0LUIS ALBERTO MELENDEZ MACIEL 374782269UM4B/MX
Aug 30, 2024TXII · Walk-around1OOSROBERTO CARLOS ALVAREZ MARTINEZ 328259469UM4B/MX
Jul 25, 2024TXII · Walk-around2ROBERTO CARLOS ALVAREZ MARTINEZ 328259469UM4B/MX
Dec 20, 2023TXI · Full4JESSICA LIZETH ACOSTA SANCHEZ 374789669UM4B/MX
Dec 6, 2023TXI · Full2ROBERTO CARLOS ALVAREZ MARTINEZ 328259469UM4B/MX
Nov 10, 2023TXII · Walk-around2ROBERTO CARLOS ALVAREZ MARTINEZ 328259469UM4B/MX
Oct 26, 2023TXI · Full4OOSJESSICA LIZETH ACOSTA SANCHEZ 374789669UM4B/MX
Jul 12, 2023TXI · Full10OOSROBERTO CARLOS ALVAREZ MARTINEZ 328259469UM4B/MX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JORGE PRISCILIANO RENTERIA CAMPOS3551569Nov 20, 2024Nov 20, 20241TA
LUIS ALBERTO MELENDEZ MACIEL3747822Sep 27, 2024Oct 17, 20242TA
ROBERTO CARLOS ALVAREZ MARTINEZ3282594Jul 12, 2023Aug 30, 20245TA
JESSICA LIZETH ACOSTA SANCHEZ3747896Oct 26, 2023Dec 20, 20232TA
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.
69UM4BMXJORGE PRISCILIANO RENTERIA CAMPOSNov 20, 2024Nov 20, 20241
69UM4BMXLUIS ALBERTO MELENDEZ MACIELSep 27, 2024Oct 17, 20242
69UM4BMXROBERTO CARLOS ALVAREZ MARTINEZJul 12, 2023Aug 30, 20245
69UM4BMXJESSICA LIZETH ACOSTA SANCHEZOct 26, 2023Dec 20, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026