Equipment unit · VIN-decoded · NHTSA vPIC

2023 Pj

4P51C3023P1388138 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections11
all-time
OOS inspections2
of 11
First seenAug 23, 2023
AR
Last seenJun 24, 2026
IA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4P51C3023P1388138
Make
Pj
Model
PJ
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
4P5

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1C302

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
388138

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 · 5 decoded VINs at 100.0% prefix purity.

Model
PJ

Prefix basis · 5 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.

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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
PJ

Observed directly for this VIN via NHTSA vPIC.

Observed model
PJ

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 23, 2023 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026IAI · Full0SIGN FAB INC 67091259L9VW/MO
Apr 30, 2026FLI · Full0SIGN FAB INC 67091259L9VW/MO
Apr 24, 2026KYI · Full0SIGN FAB INC 67091259L9VW/MO
Mar 18, 2025TNI · Full0SIGN FAB INC 67091259L9VW/MO
Nov 16, 2024SDI · Full1SIGN FAB INC 67091259L9VW/MO
Sep 6, 2024OHIII · Driver-only0SIGN FAB INC 67091259L9VW/MO
Aug 15, 2024MOI · Full1SIGN FAB INC 67091259L9VW/MO
Aug 4, 2024ARI · Full0SIGN FAB INC 67091259L9VW/MO
Jun 27, 2024NCI · Full1OOSSIGN FAB INC 67091259L9VW/MO
Sep 11, 2023KYI · Full1SIGN FAB INC 67091259L9VW/MO
Aug 23, 2023ARI · Full1OOSSIGN FAB INC 67091259L9NW/MO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIGN FAB INC670912Aug 23, 2023Jun 24, 202611MO
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.
59L9VWMO2SIGN FAB INCSep 11, 2023Jun 24, 202610
59L9NWMOSIGN FAB INCAug 23, 2023Aug 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026