J CAR ECM PCM COMPONENT CROSS REFERENCE CHART CON T PRODUCTION PRODUCTION SERVICE REMAN MODULE BROADCAST MODULE SERVICE PRODUCTION ECM PCM CODE ECM PCM EPROM EPROM CODE 1990 16120421 AMWT 1227748 16165105 2015AMWT 5217AYHX 16120431 AMWU 1227748 16147118 4165AMWU 16120441 AMWW 1227748 16147124 4169AMWW 16120451 AMWX 1227748 16147129 4173AMWX 16082091 AKDH 1227749 16120526 0527AKDH 16082101 AKDB 1227749 16153408 2546AKDB 16086131 ALXM 1227730 16150223 2682ALXM 16086141 ALXN 1227730 16150227 2677ALXN 16086151 ALXP 1227730 16150231 2615ALXP 16086161 ALXR 1227730 16150215 2627ALXR 16086171 ALXS 1227730 16150219 2669ALXS 16132611 APWU 1227730 16150278 4710APWU 16146581 ATSW 1227730 16150223 6630ATSW 16146591 ATSX 1227730 16150227 6637ATSX 16146601 ATSY 1227730 16150231 6644ATSY 16146611 ATSZ 1227730 16150278 6649ATSZ 16147301 ATUZ 1227730 16165105 7114ATUZ 5217AYHX 16147311 ATWA 1227730 16147118 7l19ATWA 16147321 ATWB 1227730 16147124 7125ATW8 16147331 ATWC 1227730 16147129 7130ATWC 16145161 ATMF 1227730 16150215 5241ATMF 16145171 ATMH 1227730 16150219 5245ATMH 16144711 ATKZ 1227748 16158344 4931ATKZ 8346AWWM 16144721 ATLA 1227748 16158349 4934ATLA 8350AWWN 16144731 ATLB 1227748 16163098 4938ATLB 3099AXWJ 16144741 ATLC 1227748 16163103 4941ATLC 3104AXWK 16147611 ATXC 1227748 16163098 7720ATXC 3099AXWJ 16147621 ATXD 1227748 16163103 7724ATXD 3104AXWK 16148851 AUAY 1227730 16150215 02l6AUAY 16148861 AUAZ 1227730 16150219 0220AUAZ 16148871 AUBA 1227730 16150223 O224AUBA 16148881 AUBB 1227730 16150227 0228AUBB 16148891 AUBC 1227730 16150231 0232AUBC 16148901 AUBD 1227730 16150278 0279AUBD 16150581 AUJR 1227730 16158344 l082AUJR 8346AWWM 16150591 AUJS 1227730 16158349 lO87AUJS 8350AWWN 16082091 AKDA 1227749 16153407 0527AKDA 16082101 AKDB 1227749 16153408 2546AKDB 16158321 AWWM 1227748 16158344 8346AWWM 16158331 AWWN 1227748 16158349 835OAWWN 1991 16150581 AUJR 1227748 16158344 1082AUJR 8346AWWM 16150591 AUJS 1227748 16158349 l087AUJS 8350AWWN 16147301 ATUZ 1227748 16165105 7114ATUZ 5217AYHX 16147311 ATWA 1227748 16147118 7119ATWA 16147321 ATWB 1227748 16147124 7125ATWB 16147331 ATWC 1227748 16147129 7130ATWC 16147611 ATXC 1227748 16163098 7720ATXC 3099AXWJ 16147621 ATXD 1227748 16163103 7742ATXD 3l04AXWK 16137591 ARUN 1227730 16178168 9039ARUN 16137601 ARUP 1227730 16149044 9045ARUP 16137611 ARUR 1227730 16149048 9049ARUR 16137621 ARUS 1227730 16149053 9054ARUS 16137631 ARUT 1227730 16149057 9058ARUT 16137641 ARUU 1227730 16149062 9063ARUU 16162861 AXWJ 1227748 16163098 3099AXWJ NOTE Due to Clean Air Act calibrator is now called an EPROM and Controller is now called a Module PCM Powertrain Control Module Controls both Engine and Tranmission ECM Engine Control Module Controls only Engine When replacing the Production ECM PCM Module with a Remanufactured ECM PCM Module it is important to transfer the Production Broadcast Code And Production ECM number to the Remanufactured ECM Module Label Please do not record on ECM Cover This will enable positive identification of ECM PCM Components throughout the service ife of the vehicle 1993 GENERAL MOTORS SERVICE PARTS CDPERATIONS CHEVROLET 1 7J 4 93 3 77 3 999