we only have a A44DE AISIN MADE BOX HERE, FROM JAPAN, (the old 3sp is GM France, pure hydra, no tcm but does have 1 TCC wire)
does your 4L80E have a separate TCM (no matter where it is,but matters is bad, and where to buy one or get correct one , hard)
most these cars have a TCM (or PCM ) must match the transmission,exactly.
nobody can burn proms. maybe 30 year ago? TCM has PROMS or EPROMS, then ,Uv erased then programmed.) good luck finding old program code for those.... 1991....
GM must be no help. by now.
does your 4L80E have a separate TCM (no matter where it is,but matters is bad, and where to buy one or get correct one , hard)
most these cars have a TCM (or PCM ) must match the transmission,exactly.
nobody can burn proms. maybe 30 year ago? TCM has PROMS or EPROMS, then ,Uv erased then programmed.) good luck finding old program code for those.... 1991....
GM must be no help. by now.
http://www.fixkick.com