| ECM part number | ECM family | Application/Description |
| 1227747 | C3 | '87-'91 GM trucks (aka Programming 101) |
| 1228746 | C3 | '89-'92 Car V8 TBI applications (F body, Caprice) |
| 16159278 | P4 | '92-'93 LT1 (F body/Vette) |
| 1227730/1227727 | P4 | '90-91 F/Y body, lots of others. 1227727 is an underhood (weatherproof) version of 1227730 |
| 1228331 | P4 | '90-91 Y body ZR1, LT5 engine |
| 1227748 | P4 | '87-'88 2.5L4 Fiero, others |
| 1227749 | P4 | Syclone, Typhoon, others |
| 1227165 | P4 | '86-'89 V8 TPI, some L4 TBI |
| 1227808 | P4 | Australian version of 1227165 |
| 16196396 | C3 | '94-'95 GM trucks 5.0L, 5.7L TBI manual transmission |
| 16197427 | P4 | '95 GM trucks 4.3L, 5.0L, 5.7L 4L60E |
| 16171199 | P4 | '95 GM trucks 4.3L, 5.7L, 7.4L 4L80E |
| 16250279 | P5? (68332 based ECM) | '98 GM trucks |
| northstar | Cadillac |