Equipment unit · VIN-decoded · NHTSA vPIC

4P53F412XP1393440

Not yet decoded
Carriers run under1
21 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 5, 2024
TX
Last seenJun 9, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
4P5

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3F412

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1993 or 2023

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

North American serial sequence
393440

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.

Make
PJ

Prefix basis · 79 decoded VINs at 100.0% prefix purity.

Model
PJ

Prefix basis · 79 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 5, 2024 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026TXII · Walk-around3OOSISJ UNDERGROUND UTILITIES LLC 4234506438403M/TX
Feb 5, 2026TXI · Full4ISJ UNDERGROUND UTILITIES LLC 4234506438403M/TX
Sep 5, 2024TXII · Walk-around2ISJ UNDERGROUND UTILITIES LLC 4234506438403M/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ISJ UNDERGROUND UTILITIES LLC4234506Sep 5, 2024Jun 9, 20263TX
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.
438403MTXISJ UNDERGROUND UTILITIES LLCSep 5, 2024Jun 9, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC