TCM

[Dragonlee2000]

does anyone know what is the serv number for the tcm in the zb commodore. Trying to get a new tcm for the car

 

[Jack GS]

Not trying to be a smart aleck, but what exactly are you looking for? TCM stands for many things (transmission control module, traction control module, telematics control module, ect.)

 

[Dragonlee2000]

Transmission control module ?

 

[stooge]

looking at the buick regal these are the 2 numbers listed, they could be different for australia.

9speed
24279973

8speed
24276934

in the manual the replacement procedure states you need to program it.

Manual

search for K71

 

[Jack GS]

Add 24290348 into the mix when 2019 or 2020 is selected. I'm not sure how it differs from the 2018.

2019 Buick Regal Sportback “Automatic Transmission Control Module”