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VIN Decoder
CompNine VIN Lookup:
http://www.compnine.com/vid.php
GM Vin Information
By Scott Mueller
Source:
http://www.indipalass.com/ARCHIVE/TechCorner/ARTICLES/GM Vin
Information.htm
If any of you have the 1994 (GMP/94B-1)
Service Manual for the Caprice/Impala/Roadmaster you should be
aware that the VIN decoding information is incorrect! Both the
Year and Carline/Series digits are decoded incorrectly. The '95
Service Manual is also incorrect with respect to the
Carline/Series information.
Here are the true facts. The
GM VIN system for '87 and up passenger cars (earlier VINs differed
slightly) works as follows:
You can download a PDF Version of this
information
here.
| VIN Position |
Description |
|
Position 1 |
Country of Origin:
1 = U.S.A.
2 = Canada
3 = Mexico
4 = U.S.A.
J = Japan
K = Korea |
|
Position 2 |
Company built by:
G = General Motors/Suzuki
8 = Isuzu
Y = NUMMI
L = Daewoo
C = CAMI/GM of Canada |
|
Position 3 |
Make or division:
1 = Chevrolet
2 = Pontiac
3 = Oldsmobile
4 = Buick
5 = Pontiac incomplete vehicle (PAS)
6 = Cadillac
7 = GM of Canada
8 = Saturn
A = Chevy Bus
B = Chevy incomplete vehicle
C = Chevy Truck
D = GMC incomplete vehicle (PAS)
E = Cadillac incomplete vehicle
H = Oldsmobile Multi-Purpose Vehicle (MPV)
J = GMC Bus
K = GMC Multi-Purpose Vehicle (MPV)
L = Buick incomplete vehicle
M = Pontiac Multi-Purpose Vehicle (MPV)
N = Chevy Multi-Purpose Vehicle (MPV)
T = GMC Truck
Y = Pontiac Multi-Purpose Vehicle (MPV) |
|
Positions 4 & 5 |
Carline/Series:
('91+ B-car only)
1991:
BL = Caprice Sedan/Wagon
BN = Caprice Classic/Caprice Classic LTZ Sedan
BR = Roadmaster Estate Wagon
BP = Custom Cruiser Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1992:
BL = Caprice Sedan/Wagon
BN = Caprice Classic/Caprice LTZ Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BP = Custom Cruiser Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1993:
BL = Caprice Classic Sedan/Wagon
BN = Caprice Classic LS/Caprice Classic LTZ Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1994:
BL = Caprice Classic Sedan/Wagon
BN = Caprice Classic LS/Impala SS Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon
1995-1996:
BL = Caprice Classic Sedan/Wagon, Impala SS Sedan
BN = Roadmaster Sedan
BT = Roadmaster Limited Sedan
BR = Roadmaster Estate Wagon
BB = Coachbuilder (Limo/Hearse) Wagon |
|
Position 6 |
Body style:
1 = 2-door coupe/sedan
2 = 2-door hatchback/liftback
3 = 2-door convertible
4 = 2-door station wagon
5 = 4-door sedan
6 = 4-door hatchback/liftback
7 = 4-door liftback
8 = 4-door station wagon |
|
Position 7 |
Restraint codes:
1 = Active (manual) belts
2 = Active (manual) belts w/driver & passenger air bags
3 = Active (manual) belts w/driver air bag
4 = Passive (automatic) belts
5 = Passive (automatic) belts w/driver air bag
6 = Passive (automatic) belts w/driver & passenger air bags |
|
Position 8 |
Engine type: ('91+
B-car only)
P = LT1 5.7L - 260 HP @ 5000, 330 lb-ft @ 3200
W = L99 4.3L - 200 HP @ 5200, 245 lb-ft @ 2400
7 = L05 5.7L - 205 HP @ 4400, 300 lb-ft @ 2800 (9C1 Police)
7 = L05 5.7L - 180 HP @ 4200, 300 lb-ft @ 2800
E = L03 5.0L - 170 HP @ 4000, 255 lb-ft @ 2400 |
|
Position 9 |
Check digit:
This is a VIN checksum used to verify VIN legality. |
|
Position 10 |
Model year:
A = 1980
B = 1981
C = 1982
D = 1983
E = 1984
F = 1985
G = 1986
H = 1987
J = 1988
K = 1989
L = 1990
M = 1991
N = 1992
P = 1993
R = 1994
S = 1995
T = 1996 |
|
Position 11 |
Plant:
A = Lakewood, GA
B = Lansing (Reatta), MI
B = Baltimore (Truck & Bus), MD
B = Pupyong, KOREA
C = Lansing, MI
D = Doraville, GA
E = Linden, NJ
E = Pontiac (Truck & Bus), MI
F = Fairfax II, KS
F = Flint (Truck & Bus), MI
G = Framingham, MA
H = Flint, MI
J = Janesville (Truck & Bus), WI
J = Janesville, WI
K = Leeds, MO
K = Kosai, JAPAN
L = Van Nuys ('82-'92 F-car), CA
M = Lansing, MI
N = Norwood ('82-'87 F-car), OH
R = Arlington (B-car), TX
S = St. Louis (Truck & Bus), MO
S = Ramos Arizpe, MEXICO
T = Tarrytown (Truck & Bus), NY
U = Hamtramck, MI
V = Pontiac (Truck & Bus), MI
W = Willow Run (B-car), MI
W = Iwata, JAPAN
X = Fairfax, KS
Y = Wilmington, DE
Z = Fremont, CA
Z = Spring Hill (Saturn), TN
Z = Fort Wayne (Truck & Bus), IN
0 = Pontiac (Truck & Bus), MI
1 = Wentzville, MO
1 = Oshowa 2, ONTARIO
2 = Moraine (Truck & Bus), OH
2 = Ste. Therese ('93-'96+ F-car), QUEBEC
3 = Detroit (Truck & Bus), MI
3 = Kawasaki, JAPAN
3 = St. Eustache, QUEBEC
4 = Orion, MI
4 = Scarborough, ONTARIO
5 = Bowling Green ('84-'96+ Corvette), KY
5 = London, ONTARIO
6 = Oklahoma City, OK
6 = Ingersoll, ONTARIO
7 = Lordstown, OH
7 = Lordstown (Truck & Bus), OH
7 = Fujisawa, JAPAN
8 = Shreveport (Truck & Bus), LA
9 = Detroit, MI
9 = Tillsonburg, ONTARIO
9 = Oshawa 1, ONTARIO |
|
Positions 12-17 |
Sequence Number:
100001 = 1st vehicle
200001 = 100001st vehicle, etc. |
I have included information
on all of the codes I know that are used in ANY GM passenger car
VIN, except the Engine (8th digit) and Carline/Series (4th and 5th
digits). For these, I have included only that information which
pertains to the '91 and up B-cars (Caprice/Roadmaster).
Note that the '94 B-car
service manual you cite is incorrect in the year designation as
well as the Carline/Series. Note that the year digit starts out
with 1980 equal to "A", however I, O, or Q were skipped because
they could be confused with other digits. Note that from '91
through '94 the "premium" Caprice model designation was always "BN",
while the base car was always designated "BL". Thus for '95 and up
it seems that Chevy has condensed all of the Caprice offerings
(including the Impala SS) into the base Caprice designation "BL".
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