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Synapse Auto Reman Transmission Control Module (TCM) (For Allison 1000)
PART#
S72-1G01115GD | SKU SYAS72-1G01115GD
★★★★★
Vehicle Fitment For:
2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML (Built Before 09/2015) (With Allison T14 or A50 TCM)
See full application list below
NOTES: This Transmission Control Module (TCM) is compatible exclusively with GMC/Chevy Duramax LML trucks manufactured before September 2015. If your truck has a manufacture da
$899.99
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Description
The Synapse Auto S72-1G01115GD Remanufactured Transmission Control Module replaces the failed TCM in your Allison 1000 trans. If you're going through transmission issues such as loss of the PRNDL display, check engine lights, or limp mode, there's a good probability your TCM is the cause. This drop-in TCM is pre-programmed to restore the factory function of your transmission.
Features:
- Pre-Programmed TCM
- High-Quality Replacement
- Direct-Replacement For T14 and A50 TCMs
Manufacturer Warranty*:
1 Year
1 Year
Note:
This Transmission Control Module (TCM) is compatible exclusively with GMC/Chevy Duramax LML trucks manufactured before September 2015. If your truck has a manufacture date after 9/2015 then this TCM will Not work.
An original equipment core must be returned in order to receive your core refund. The core must be in rebuildable condition, meaning it cannot be damaged, modified, disassembled, or previously subjected to any repair attempts.
This Transmission Control Module (TCM) is compatible exclusively with GMC/Chevy Duramax LML trucks manufactured before September 2015. If your truck has a manufacture date after 9/2015 then this TCM will Not work.
An original equipment core must be returned in order to receive your core refund. The core must be in rebuildable condition, meaning it cannot be damaged, modified, disassembled, or previously subjected to any repair attempts.
Reviews For Synapse Auto S72-1G01115GD
Overall Rating
/5
4 Reviews
Rating Snapshot
4
0
0
0
0
Verified Buyer
GMC TCM
L (Pell City, AL) | February 6th, 2026
Great customer service, product works as stated. I would highly recommend this company.
Verified Buyer
great product
daniel (AL) | January 10th, 2026
Works great.
Verified Buyer
Great service. Great product!
Jessica Crow (Washington state) | July 18th, 2025
Perfect!
Verified Buyer
Tcm
Dev (Casper) | September 27th, 2024
Very good.
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Specifications For Synapse Auto S72-1G01115GD
MPN
S72-1G01115GD
SKU
SYAS72-1G01115GD
GTIN
645716739785
ID
84725
Manufacturer Name
Synapse Auto
Shipping Weight
3.00 lb.
Shipping Length
10 in.
Shipping Width
10 in.
Shipping Height
5 in.
Fuel Type
Diesel
E-Code
1
Manufacturer Warranty*
1 Year
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Cross Reference #
A5100S92, A5100NC6, 19431596, 24256861, 24259874, 24257038, 24266710
Internal
LR
ITEM ADDED TO CART
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Product prices marked with an * may require additonal fees, such as a core charge, which will be displayed in the cart.