Product Description
The ATS 601-940-4416 TCM Upgrade allows early 2015 GM 6.6L Duramax trucks equipped with A40 or A50 transmission control modules to upgrade to the newer and more advanced T87A TCM. This upgrade is essential for improving transmission control, compatibility with modern tuning, and unlocking enhanced transmission performance.
The factory A40 and A50 TCMs can limit tuning capabilities and transmission efficiency. By upgrading to the T87A platform, users gain access to improved shift strategies, better communication with upgraded transmission components, and expanded tuning support for performance builds.
This upgrade is ideal for Duramax owners running upgraded transmissions, higher horsepower tuning, or looking to future-proof their drivetrain with the latest control technology.
FAQ
Q: What does this TCM upgrade do?
A: It converts early 2015 Duramax trucks from the older A40/A50 TCM to the newer T87A system, allowing improved transmission control and tuning compatibility.
Q: Why upgrade to a T87A TCM?
A: The T87A offers better shift control, improved reliability, and broader compatibility with modern tuning platforms and upgraded transmissions.
Q: Is this required for performance tuning?
A: Yes, many advanced tuning setups and upgraded transmissions require the T87A controller for proper operation.
Q: Is this a plug-and-play upgrade?
A: Installation typically involves module replacement and programming; professional installation is recommended.
Fitment
- Early 2015 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax (A40/A50 Equipped)
- Early 2015 GMC Sierra 2500HD/3500HD 6.6L Duramax (A40/A50 Equipped)
Key Features
- Upgrades A40/A50 TCM to T87A platform
- Improves transmission control and shift quality
- Enables advanced tuning compatibility
- Required for many performance transmission builds
- Enhances communication with upgraded transmission components
- Future-proofs drivetrain control system
Specifications for ATS 601-940-4416
| Specification | Details |
|---|---|
| Part Number | 601-940-4416 |
| UPC | Not Available |
| GTIN | Not Available |
| Product Type | TCM Upgrade Kit |
| Conversion Type | A40 / A50 to T87A |
| Engine Compatibility | 6.6L Duramax Diesel |
| Vehicle Fitment | Early 2015 GM HD Trucks |
| Function | Upgrades transmission control module |
| Installation | Professional installation recommended |
| Shipping Info | Standard Ground Shipping |
| Warranty | Limited Manufacturer Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
