SKU #: SYNA-S72-1G10608GD MPN #: S72-1G10608GD

Synapse Auto Allison T14A/A40 TCM Exchange 06-08 GM 6.6L Duramax LLY/LBZ/LMM

$1,199.99

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Synapse Auto Allison T14A/A40 TCM Exchange 06-08 GM 6.6L Duramax LLY/LBZ/LMM

Description

Looking for a dependable fix for your failing Allison transmission control module? The Synapse Allison T14A / A40 TCM Exchange is designed to restore proper shifting, transmission communication, and overall drivability when factory modules begin to fail. Common symptoms such as harsh shifting, limp mode activation, gear selection issues, or transmission-related trouble codes can often be traced to a faulty TCM. This exchange unit offers a cost-effective solution that helps get your truck back on the road with confidence. Professionally rebuilt and tested for reliable performance, each Synapse TCM is engineered to meet or exceed OEM functionality standards. Designed as a direct replacement for the factory Allison T14A / A40 module, every unit undergoes extensive testing to help ensure proper operation and communication with your truck’s transmission system.

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CORE CHARGE

What is a core charge?

Defer core charge

I have read and I accept the terms and conditions. I understand that if I select "Defer Core Charge" I will be charged for the core if I do not return an acceptable core part within 21 days

Accept core charge +$300.00

Free Customer Loyalty Program

No Salesmen, Just Enthusiasts

Looking for a dependable fix for your failing Allison transmission control module? The Synapse Allison T14A / A40 TCM Exchange is designed to restore proper shifting, transmission communication, and overall drivability when factory modules begin to fail. Common symptoms such as harsh shifting, limp mode activation, gear selection issues, or transmission-related trouble codes can often be traced to a faulty TCM. This exchange unit offers a cost-effective solution that helps get your truck back on the road with confidence.

Professionally rebuilt and tested for reliable performance, each Synapse TCM is engineered to meet or exceed OEM functionality standards. Designed as a direct replacement for the factory Allison T14A / A40 module, every unit undergoes extensive testing to help ensure proper operation and communication with your truck’s transmission system.

Vehicle Fitment

2006-2008 GM 6.6L Duramax 2500HD/3500HD

WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

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.