Restore Flawless Shifting in Your Cadillac
Is your 2015-2017 Cadillac Escalade ESV shifting harshly, hesitating, or throwing a transmission warning light on your dash? These are classic signs of a failing Transmission Control Module (TCM). As the electronic brain of your 8-speed or 6-speed automatic transmission, the TCM is responsible for every gear change. When it starts to fail, it can make your luxury SUV feel unpredictable and unsafe to drive. I’ve seen it countless times in my shop—a vehicle comes in with what seems like a major transmission issue, but the root cause is simply a faulty TCM.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost of dealer service out of the equation. Each 2015-2017 Escalade ESV TCM is professionally programmed with the very latest GM software updates, specifically matched to your vehicle’s VIN. This ensures perfect communication between the engine and transmission, restoring the smooth, responsive performance you expect from a Cadillac.
Common Signs of a Failing Transmission Module
- ✔ Harsh, jerky, or delayed gear shifts
- ✔ Transmission getting stuck in one gear (limp mode)
- ✔ “Service Transmission” or Check Engine light illumination
- ✔ Inaccurate gear indicator on the dashboard
- ✔ Diagnostic Trouble Codes (DTCs) such as P0700, P0751, or U0101 (Lost Communication with TCM)
- ✔ Poor fuel economy due to inefficient shifting
A Technician’s Notebook
I remember a 2016 Sierra 1500 that came into the bay with a complaint of intermittent, hard 1-2 shifts, but only after it was fully warmed up. There were no codes stored, making it a diagnostic headache. We checked fluid levels and pressures, and everything looked fine. The customer was ready to authorize a costly transmission teardown. On a hunch, I monitored the TCM data stream on a long test drive and finally saw the command signal drop out just before a harsh shift. We replaced the TCM with a pre-programmed unit like this one, and the problem was solved instantly. It saved the customer thousands and reinforced that sometimes, the simplest electronic part is the culprit.
A Straightforward Guide to Installation
Installing your new TCM is a manageable job for a confident DIYer or a quick task for any professional mechanic. With our pre-programmed module, no special scan tools are needed for setup.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the TCM: On the Escalade ESV, the TCM is typically mounted on the driver’s side of the radiator support or fan shroud. It’s a silver box with electrical connectors.
- Disconnect and Remove: Carefully unplug the wiring harness connectors. Press the release tabs firmly. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM into place. Ensure it is securely fastened.
- Reconnect: Plug the wiring harnesses back into the new module. You should hear a click as they lock into place.
- Final Steps: Reconnect the negative battery terminal. Start the vehicle and check for any warning lights. A short test drive with gentle acceleration will allow the system to confirm proper operation.
Verified Vehicle Compatibility
This module, part number 24276411 (also replaces 24272004), is a direct-fit replacement for a wide range of GM trucks and SUVs. Please verify your vehicle and options below:
- Cadillac Escalade / ESV (2015-2017): With 8-speed transmission (RPO M5U)
- Cadillac CTS (2016): With matching ID 24276411
- Chevrolet Camaro (2016)
- Chevrolet Silverado 1500 (2015-2016): With 8-speed transmission (RPO M5U)
- Chevrolet Silverado 2500/3500 (2015-2016): With 6-speed transmission (RPO MW7)
- GMC Sierra 1500 / Denali 1500 (2015-2016): With 8-speed transmission (RPO M5U)
- GMC Sierra 2500/3500 & Denali 2500/3500 (2015-2016): With 6-speed transmission (RPO MW7)
- GMC Yukon / Yukon XL 1500 (2015-2016): With 8-speed transmission (RPO M5U)
Frequently Asked Questions
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential for us to load the exact, correct GM software for your vehicle’s specific configuration (engine, transmission, differential ratio, etc.). This ensures a perfect match and plug-and-play installation.
Is this part difficult to install?
For someone with basic mechanical skills, it’s a straightforward process. The main benefit of our module is that the complex programming is already done. You are simply swapping a component, which saves you a trip to the dealership.
Will this fix my transmission problems?
If your vehicle is exhibiting the common symptoms of TCM failure (erratic shifting, communication codes, limp mode) and has been properly diagnosed, this module is the correct and reliable solution.
What happens after I purchase?
After you place your order, you will need to send us your vehicle’s 17-digit VIN. We cannot ship the part until we receive it. Once we have your VIN, we will program the module and ship it to you, typically within one business day.
Is this a new or used part?
This is a high-quality, inspected, and tested used OEM part that has been programmed with new, updated software to ensure reliability and performance that meets or exceeds the original factory standards.