Allison TCM - $150 (Southwest)

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General Motors/Allison Transmission Control Module (TCM)

Will probably need to be flashed to your vehicle but due to back orders and core charges at around 300 this could save you a little money.

Also have some allison transmissions 2wd and 4wd and 8.1 motors

post id: 7982146962

posted: 2026-10-12 08:02

updated: 2026-10-28 17:55

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Allison TCM - auto parts - by owner - vehicle automotive sale -...

General Motors/Allison Transmission Control Module (TCM) Will probably need to be flashed to your vehicle but due to back orders and core charges at around 300 this could save you a little money....