4S1 4S2 J81 J87 J8B J8D J8Z JAA JAB JAC JAE JAL JAM
Isuzu Motors Limited, Japan
Isuzu Motors Limited, Japan's codes decode seven makes: Acura, Asuna, Chevrolet, GMC, Geo and 2 others. It holds 13 WMIs in NHTSA's catalog, the 15th-highest count among 11,625 manufacturers. Its codes span four vehicle types, from incomplete vehicles (chassis) to passenger cars. Plants in seven countries appear in its rules.
Model years covered by each code
One bar per three-character code, grouped by the vehicle type NHTSA lists for it. Bars reaching 2027 include rules with no end year.
Incomplete vehicles 4
Multipurpose passenger vehicles 3
- JAC1984–2005
- 4S21987–2005
- JAE1996–1999
Passenger cars 3
- JAB1981–1992
- J811985–1996
- J871985–1996
Trucks 3
- J8Z1981–1984
- JAA1981–1996
- 4S11987–1995
Every code, side by side
| Code | Vehicle type | Makes | Model years | Models | Plant countries |
|---|---|---|---|---|---|
| 4S1 | trucks | Isuzu | 1987–1995 | 5 | Japan, United States |
| 4S2 | multipurpose passenger vehicles | Isuzu | 1987–2005 | 8 | Japan, United States |
| J81 | passenger cars | Chevrolet, Geo | 1985–1996 | 21 | Japan, United States, Mexico |
| J87 | passenger cars | Asuna, Isuzu | 1985–1996 | 19 | Japan, United States, Australia |
| J8B | incomplete vehicles (chassis) | Chevrolet | 1981–2009 | 6 | United States, Japan, Mexico |
| J8D | incomplete vehicles (chassis) | GMC | 1981–2009 | 6 | United States, Japan, Mexico |
| J8Z | trucks | Chevrolet | 1981–1984 | 1 | Japan, South Korea, Canada |
| JAA | trucks | Isuzu | 1981–1996 | 5 | Japan, United States |
| JAB | passenger cars | Isuzu | 1981–1992 | 3 | Japan |
| JAC | multipurpose passenger vehicles | Isuzu | 1984–2005 | 8 | Japan, United States |
| JAE | multipurpose passenger vehicles | Acura | 1996–1999 | 1 | United States, Japan |
| JAL | incomplete vehicles (chassis) | Chevrolet, Hino, Isuzu | 1981–open | 38 | Japan, United States |
| JAM | incomplete vehicles (chassis) | Isuzu | 1981–1996 | 3 | Japan, United States |
Models found under the most codes
Model, model years across all codes, and how many of the codes name it
- Pickup1981–1995 · 4 codes
- Trooper1984–2002 · 4 codes
- Trooper II1987–1991 · 4 codes
- Amigo1989–1994 · 4 codes
- Rodeo1989–2004 · 4 codes
- Forward Control1981–1987 · 3 codes
- I-Mark1981–1989 · 2 codes
- Impulse1981–1992 · 2 codes
- W41981–2009 · 2 codes
- W51981–2009 · 2 codes
- W61981–1996 · 2 codes
- W71981–2009 · 2 codes
- NPR1987–2019 · 2 codes
- Stylus1987–1992 · 2 codes
- Rodeo/Amigo1998–1999 · 2 codes
- VehiCross1999–2002 · 2 codes
- W32001–2007 · 2 codes
- Axiom2002–2004 · 2 codes
- 4000 Series Medium Duty1981–1988 · 1 code
- 5000 Series Medium Duty1981–1988 · 1 code
- 6000 Series Medium Duty1981–1988 · 1 code
- 7000 Series Medium Duty1981–1988 · 1 code
- LUV1981–1982 · 1 code
- Medium Front Engine Bus1981–1989 · 1 code
- Medium Rear Engine Bus1981–1989 · 1 code
- 60001985–1987 · 1 code
- Acadian1985–1987 · 1 code
- Beretta1985–1996 · 1 code
- Bonneville1985–1987 · 1 code
- Camaro1985–1996 · 1 code
- Caprice1985–1996 · 1 code
- Cavalier1985–1996 · 1 code
- Celebrity1985–1988 · 1 code
- Chevette1985–1987 · 1 code
- Citation1985–1985 · 1 code
- Corsica1985–1996 · 1 code
- Corvette1985–1996 · 1 code
- Fiero1985–1987 · 1 code
- Firebird1985–1987 · 1 code
- Firefly1985–1987 · 1 code
- Forward Control (for walk-in van)1985–1987 · 1 code
- Geo Spectrum1985–1988 · 1 code
- Geo Sprint1985–1988 · 1 code
- Grand AM1985–1987 · 1 code
- Grand Prix1985–1987 · 1 code
- Hearse/Limo Commercial Chassis1985–1988 · 1 code
- Impala1985–1985 · 1 code
- Lemans1985–1987 · 1 code
Codes per make
Number of Isuzu Motors Limited, Japan codes that decode each make
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.