Masthead Powertrain Engines

GM Genuine transmission electro-hydraulic control module

Stay with the parts your General Motors vehicle came with for known quality and trust with GM Genuine Parts.

TRANSMISSION ELECTRO-HYDRAULIC CONTROL MODULE (TEHCM)

The internal component on GM 6-speed transmissions, including the 6T30/40/45/50, 6T70/75, 6T80, 6L45/50, 6L80, and 6L90 of the TEHCM combines the function of a TCM with valve body solenoids, integrated electronic and hydraulic components, pressure and temperature switches, filter plate and an upgraded lead frame - all in a single unit.

The TEHCM consolidates the functions of four or five separate units into one, following an industry engineering trend of having fewer parts handling more duties.

  • Found in all 6-speed transmission applications
  • Internal to the transmission for performance and functionality
  • Integrated electronic and hydraulic components within a single module
  • Includes filter plate, solenoids, and upgraded lead frame

The Genuine GM TEHCM is a GM-recommended replacement part for your GM vehicle’s original factory component offering the quality, reliability, and durability of General Motors Original Equipment and is manufactured for fit, form, and function. Our parts are put to the ultimate test through ongoing rigorous product development cycles.


Genuine GM Parts Transmission Electro-Hydraulic Control Module

Must be programmed. See Dealer for details.

24-MONTH/UNLIMITED-MILE LIMITED WARRANTY*

Genuine GM parts such as transmission components come backed by the confidence of customer protection. See how we keep you covered.


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*Effective on parts purchased April 1, 2018, and later to the original retail purchaser. Contact seller for limited warranty part details, qualifications, and possible labor coverage.

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