nianguaus

If someone could also tell me what some of the codes that couldn't be found are, I'd be greatful.

AR9 : SEAT, FRT BKT, EUROPEAN STYLE, PASS A DRIVER RECL
A01 : WINDOW, TINTED, ALL SHADED, W/S
A31 : WINDOW, POWER OPERATED, SIDE
A90 : LOCK CONTROL, RR COMPT LID, REM CONT ELEC RELEASE
BX5 : ORNAMENTATION, EXTR MLDG, ROOF DRIP, PAINTED
B34 : COVERING, FRT FLOOR MATS CARPETED INSERT
B35 : COVERING, REAR, FLOOR MATS CARPETED INSERT
B84 : ORNAMENTATION, EXTR MLDG, B0DY SIDE
B9K : ORNAMENTATION, B/S MLDG, REAPPLY TO RR DOORS ONLY
B91 : ORNAMENTATION, EXTR MLDG DR EDGE GUARD, COLORED
CD4 : WIPER SYSTEM WINDSHIELD, PULSE
C49 : DEFOGGER, RR WINDOW, ELECTRIC
C60 : HVAC SYSTEM, AIR CONDITIONER FRT MAN CONTROLS
D03 : PAINT, PROCESS, WATER BASE
D1T : GEAR, SPEEDO DRIVEN
D35 : MIRROR, OUTSIDE REAR VIEW
D80 : SPOILER, RR END PNL
E52 : DOOR RR, 83 INCH, WRAP AROUND
Unable to locate code E6N in our database!
Unable to locate code E92 in our database!
Unable to locate code FB8 in our database!
Unable to locate code F89 in our database!
Unable to locate code GA3 in our database!
Unable to locate code GA4 in our database!
GU5 : AXLE REAR, 3.23 RATIO
J50 : BRAKE SYSTEM, POWER
K19 : REACTOR SYSTEM, AIR INJECTION
K34 : CRUISE CONTROL, AUT0MATIC, ELECTRONIC
K64 : GENERATOR, 78 AMP
LC1 : ENGINE, GAS, 6 CYL, 2.8L, 2B8L, V6, LONGITUDINAL
MD8 : TRANSMISSION, AUTO 4 SPD, THM 700 R4
Unable to locate code MX0 in our database!
NA5 : EMISSION SYSTEM, FEDERAL, TIER O
NB1 : EMISSION SYSTEM, CLOSED LOOP
N33 : STEERING COLUMN, TILT TYPE
Unable to locate code QYC in our database!
UE8 : CLOCK, ELECTRIC, DIGITAL
UP8 : STEREO RADIO INSTALLMENT PROVISIONS
UU7 : RADIO, AM/FM STEREO, CASS, CLOCK ETR
U73 : ANTENNA, FIXED, RADIO
U79 : SPEAKER SYSTEM, 4, DUAL FRT COAX, DUAL EXT RGE PKG
VAN : ASSEMBLY PLANT, VAN NUYS, CA
UK3 : ELECTRONIC SYSTEM, ACCESSORY CONT
V73 : ANTENNA, FIXED
Unable to locate code YE4 in our database!
YT1 : BUILD UP DR & QTR
YT9 : OPTION PACKAGE, FISHER FURNISHED PARTS
ZJ7 : WHEEL,SPECIAL HUB CAP 6 TRIM RING
1AY : 1AY: Stock Orders Processing Option (DEALER ORDERED CAR)
Unable to locate code 17B in our database!
Unable to locate code 171 in our database!
179 : SEAT BELT, COLOR CHARCOAL (91)
Unable to locate code 6XA in our database!
Unable to locate code 7XA in our database!
75L : SECONDARY COLOR, EXTERIOR, BRILLIANT RED BET (91)
75U : PRIMARY COLOR, EXTERIOR BRILLIANT RED MET (91)
Unable to locate code 8PK in our database!
Unable to locate code 9PK in our database!

Anything of special interest in there?

okfoz

E6N
E92
FB8
F89 (probably something to do with suspension, or rear axel ratio)
GA3
GA4
MX0 Transmission, Automatic, 4Spd (note its a "O" not a 0 (Zero))
QYC Tire option???
YE4
17B Charcoal Gray Cloth seats
171 Charcoal Gray Interior Trim
179 : SEAT BELT, COLOR CHARCOAL (91)
6XA Computer Selected Spring??
7XA Computer Selected Spring??
8PK Computer Selected Spring??
9PK Computer Selected Spring??

iroc-si

Given that :
YE2 : CONVENIENCE PKG, DECOR LEVEL #2, LOW TRIM

I would think that YE4 is some of the same.

Si.