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Firebird EPROM Identification Numbers for 1990
This Decal May differ year to year
VIN 8th didget |
Engine |
RPO Codes |
Options & Emissions Designation |
Production Broadcast Code |
Production (ECM #) |
Service Controller # (ECM) |
Production PROM Code |
T |
3.1 |
MB1 |
M/Trans |
ALSX, ATRJ |
16146696 |
1227730 |
1092ALSX, 6697ATRJ |
NA5 |
Fed |
||||||
T |
3.1 |
MB1 |
M/Trans |
ALTB ATRK
|
16146700 |
1227730 |
1122ALTB 6701ATRK |
NB2 |
Calif |
||||||
8 | 5.7 | MD8 | A/Trans | ANJF, ANJA,
AUJP |
16151348 | 1227730 | 4307ANJF, 4312ANJA,
1350AUJP |
E | 5.0 TBI | MD8 | A/Trans |
ANTS AXKS |
16161107 |
1228746 |
8022ANTS 1108AXKS |
NB2 | Calif | ||||||
E |
5.0 TBI |
MD8 |
A/Trans |
ANTT AXKT |
16161112 |
1228746 |
8026ANTT 1113AXKT |
NA5 |
Fed |
||||||
E |
5.0 TBI |
M39 |
M/Trans |
ANTP, APTX |
16161117 |
1228746 |
8010ANTP, 2250APTX |
NB2 |
Calif |
||||||
E |
5.0 TBI |
M39 |
M/Trans |
ANTR, APTY AXKW |
16161123 |
1228746 |
8016ANTR, 2254APTY 1124AXKW |
NA5 |
FED |
||||||
F | 5.0 TPI | M39 | M/Trans |
NJH, ATNW, ASNH, ANJR, AWLS AXYB |
16163137 |
1227730 |
9513NJH, 5661ATNW, 2500ASNH, 9487ANJR, 6208AWLS 3157AXYB |
F | 5.0 TPI | MK6 |
M/Trans |
ATNX, AWFZ, ANJS, ANJJ, AXYC |
16163138 |
1227730 |
5668ATNX, 5504AWFZ, 9483ANJS, 9508ANJJ, 3160AXYC |
F | 5.0 TPI | MD8 | A/Trans |
ANHY, ATNY, ANJB, AWLT, AXYD |
16163139 |
1227730 |
8210ANHY, 5672ATNY, 9521ANJB, 6212AWLT, 3164AXYD |
T | 3.1 MPFI | MD8 | A/Trans |
ALSZ, ATFM, ATXF, ARPM, AUJW AYCH, AZYT |
16171406 |
1227730 |
2715ALSZ, 4201ATFM, 7700ATXF, 5185ARPM, 0976AUJW 4297AYCH, 1407AZYT |
NA5 | Fed Emissions | ||||||
T | 3.1 MPFI | MD8 | A/Trans |
ALTD, ATFN, ATXH, ARPN, AUJX AYCF AZTX |
16171410 |
1227730 |
2711ALTD, 4207ATFN, 7703ATXH, 5189ARPN, 0982AUJX 4293AYCF 1411AZTX |
NB2 | California Emissions |
VIN | Engine Displacement | Engine Type | Service Controller # (ECM) |
T | 3.1 | MPFI | 1227730 |
E | 5.0 | TBI | 1228746 |
F & 8 |
5.0 & 5.7 |
TPI |
1227730 |
NOTE: The above is NOT a mistake, the 1227730 was used in both the 3.1 & 505/350 TPI
NOTE: 1227727 is a under the hood waterproof version of the 1227730
Tuning the 1227730 Visit http://www.diy-efi.org/gmecm/ecm_info/1227730/qanda.html
See a picture of the innards at www.jeack.com