Glossary
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General
transmission interfaces
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When you swap in an aftermarket engine computer, it may not “talk” to the transmission the same way the factory computer did. A transmission interface is the translator that helps everything work together.
Technical Definition
“Transmission interfaces” are adapter layers that let an aftermarket ECU communicate with a vehicle’s transmission control signals. The goal is to replace older, limited OEM integration so the standalone ECU can manage shifting and related functions more cleanly.
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