G CAR ECM COMPONENT CROSS REFERENCE CHART CONT D PRODUCTION SERVICE SERVICE PRODUCTION PRODUCTION BROADCAST CONTROLLER CALIBRATOR CALIBRATOR ECM CODE ECM PROM PROM CODE 1987 16049204 FUH 1226519 16052626 2628FUH 16050561 FXW 1227746 16083480 7084FXW 16050591 FXZ 1227746 16067114 7115FXZ 16050611 FYB 1227746 16083485 7137FYB 16050671 FYK 1228079 16077321 7965FYK 16050681 FYL 1228079 16077325 7969FYL 16050691 FYM 1228079 16067963 7974FYM 16057464 ATH 1227148 16060600 7584ATH 16059234 BSX 1226519 16059253 9254BSX 16061153 AAJZ 1227301 16062426 2427AAJZ 16061163 AAKA 1227301 16062434 2435AAKA 16061173 AAKB 1227301 16062439 2440AAKB 16061183 AAKC 1227301 16062444 2445AAKC 16061283 AAKP 1227301 16063275 3277AAKP 16061293 AAKR 1227301 16063280 3281AAKR 16061611 AAJF 1227746 16067140 7142AAJF 16061631 AAJJ 1228079 16077329 7993AAJJ 16068771 ACDW 1227746 16068810 8812ACDW 16068781 ACDX 1227746 16068815 8816ACDX 16068791 ACDY 1227746 16083476 8820ACDY 16068801 ACDZ 1227746 16083489 8825ACDZ 16068971 ACFU 1228079 16139524 O125ACFU 16068981 ACFW 1228079 16139524 0100ACFW 16069001 ACFY 1228079 16070105 0l06ACFY 16069011 ACFZ 1228079 16070135 0136ACFZ 16070144 ACXA 1227148 16070940 0942ACXA 16050621 FYC 1227855 16139524 4679FYC 16050661 FYJ 1227855 16139524 4695FYJ 16077211 ASFJ 1228079 16139524 9555ASFJ 16050361 FWW 1227855 16139524 4978FWW 1988 16050691 FYM 1228079 16067973 7974FYM 16068971 ACFU 1228079 16139524 O125ACFU 16069011 ACFZ 1228079 16070135 0136ACFZ 16070963 ADAW 1228330 16077514 7515ADAW T 16070973 ADAX 1228330 16077518 7519ADAX 16077201 AHWK 1228079 16139524 7307AHWK 16077211 AHWL 1228079 16139524 7318AHWL 16077221 AHWM 1228079 16077321 7322AHWM 16077231 AHWN 1228079 16077325 7326AHWN 16084871 AKZC 1227746 16083476 3477AKZC 16084881 AKZD 1227746 16083480 3482AKZD 16084891 AKZF 1227746 16083485 3486AKZF 16084901 AKZH 1227746 16083489 3490AKZH 16077201 ASFJ 1228079 16139524 9555ASFJ 16050361 FWW 1227855 16139524 4978FWW NOTE When replacing the Production ECM Controller with a Remanufactured ECM Control er it is important to transfer the Production Broadcast Code and Production ECM number to the Remanufactured ECM Controller Label Please do not record on ECM Cover This will enable positive identification of ECM Components throughout the service life of the vehicle 1991 GENERAL MOTORS SERVICE PARTS OPERAT 0NS CHEVROLET 17W 3 999 3 226 6 91