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2005 Chevrolet 6.6L Duramax LLY
SKU #: SYNA-S72-1G00910GD MPN #: S72-1G00910GD

Synapse Auto Remanufactured Allison Transmission Control Module (TCM) 09-15 GM 6.6L Duramax

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Description
Over time, the factory TCM (Transmission Control Module) that controls the Allison transmission behind your Duramax engine is known to fail. Symptoms of this type of failure include losing the "PRNDL" display on your dash, check engine lights, and even limp mode. This is a direct replacement, pre-programmed TCM from the electronics experts at Synapse Auto that plugs right in place of your stock unit for a simple repair. If you're experiencing any of these issues, feel confident in replacing your TCM with this unit from Synapse.
Over time, the factory TCM (Transmission Control Module) that controls the Allison transmission behind your Duramax engine is known to fail. Symptoms of this type of failure include losing the "PRNDL" display on your dash, check engine lights, and even limp mode. This is a direct replacement, pre-programmed TCM from the electronics experts at Synapse Auto that plugs right in place of your stock unit for a simple repair. If you're experiencing any of these issues, feel confident in replacing your TCM with this unit from Synapse.
Manuals and Guides
IMPORTANT NOTE:
  • This part is compatible ONLY with 2011-2015 vehicles with a build date BEFORE September 2015. Please confirm the build date of your vehicle by checking the manufacturer's label inside the driver's side door jamb
CROSS REFERENCE:
  • A5100S92, A5100NC6, 19431596, 24256861, 24259874, 24257038, 24266710
About Synapse Auto
Synapse Auto is an automotive remanufacturer in Greenville, South Carolina, specializing in electronic modules. They rebuild the circuitry inside instrument clusters, engine computers, fuse boxes and more, utilizing top quality components and employ state of the art techniques to produce results that surpass original manufacturing standards. 
By upgrading modules while rebuilding them, they are able to offer customers a dependable alternative to high priced, lesser quality replacements. These products provide an option that is superior in quality to what may be available from a scrap yard or recyclermodules which are likely to experience the same failures customers are trying to solve. Plus, Synapse products are remanufactured to address the root cause of common failures, which means they will outperform even new replacements.
Video
Deferred Core Program Explanation

Ben explains the benefits of our deferred core program and how to return your core when necessary. Not sure what that is or need to send your core back? Give this video a watch for information and answers to many FAQ's.

If you’d like more information on our core return policy or need to start the core return process just give us a call at 1-888-993-4373.

Video
Diesel Talk | Who Is Synapse Auto?
Synapse Auto specializes in high-performance automotive electronics, including ECMs, fuel system upgrades, wiring harnesses, and custom modules. Engineered for power, reliability, and efficiency, their products help optimize your diesel build.
Video
Diesel Talk | Synapse Auto Allison TCM
Upgrade your Allison transmission with Synapse Auto’s remanufactured TCM! Their high-quality Transmission Control Modules are fully tested, reconditioned, and programmed for seamless performance. Get smoother shifting, improved reliability, and a plug-and-play install for your truck. Keep your transmission running at its best with Synapse Auto!