Restore Your Truck’s Shifting Performance
Is your 2015-2016 Silverado 1500 experiencing erratic shifting, hesitating between gears, or throwing a check engine light? A failing Transmission Control Module (TCM) is often the culprit behind these frustrating and potentially damaging issues. The TCM is the electronic brain of your transmission, responsible for orchestrating every gear change with precision. When it fails, you can experience everything from poor fuel economy to being stuck in limp mode. This replacement TCM, part number 24272004, is the definitive solution to get your truck operating smoothly and reliably again.
We take the guesswork and extra cost out of the repair. Unlike a standard replacement that requires a trip to the dealership for expensive programming, this module arrives at your door fully programmed to your truck’s specific VIN. We load the latest GM factory software, ensuring optimal performance and compatibility right out of the box. This means no extra appointments, no towing fees, and no surprise programming charges. It’s a true plug-and-play fix for DIYers and professional mechanics alike.
Common Signs of a Failing TCM
- ✔ Harsh, delayed, or jerky shifting
- ✔ Transmission getting stuck in one gear (limp mode)
- ✔ Check Engine Light illuminated with transmission-related codes (e.g., P0700, P0751, U0100)
- ✔ Inaccurate gear indicator on the dashboard
- ✔ A noticeable decrease in fuel efficiency
- ✔ Complete loss of communication with the module
From the Diagnostic Bay
I recently had a 2015 Sierra 1500 with the 8-speed transmission in my shop. The owner was complaining about intermittent, bone-jarring shifts from 1st to 2nd gear, but only after the truck was fully warmed up. No check engine light was on, which made the diagnosis tricky. After ruling out fluid issues and solenoids, I hooked up my professional scan tool and monitored the TCM data stream. I noticed the command signals were lagging right before the hard shift occurred. It was a classic case of internal TCM failure under thermal stress. We ordered one of these VIN-programmed modules, and the installation took less than 30 minutes. The customer called back the next day, thrilled that his truck was shifting ‘better than new.’ This is a problem I’ve seen dozens of times, and a pre-programmed module is the fastest, most reliable fix.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the TCM: On most 2015-2016 Silverado/Sierra 1500 models, the TCM is mounted on the driver’s side of the radiator core support. It’s a silver box with large electrical connectors.
- ✔ Disconnect the Connectors: Carefully unclip and remove the electrical wiring harnesses from the old TCM. Inspect the connectors for any corrosion or damage.
- ✔ Remove the Old Module: Unbolt the old TCM from its mounting bracket. It’s typically held in place by a few small bolts.
- ✔ Install the New Module: Mount your new, pre-programmed TCM onto the bracket and securely fasten the bolts.
- ✔ Reconnect Everything: Plug the wiring harnesses back into the new module until they click firmly into place. Reconnect the negative battery terminal.
- ✔ Final Check: Start the vehicle and allow it to idle for a few minutes. Test drive the vehicle to confirm that all shifting issues have been resolved. In most cases, no further action is needed.
Verified Vehicle Compatibility
This module is a direct-fit replacement for part numbers 24272004 and 24276411. It is guaranteed to fit the following GM vehicles with the specified options. Please verify your vehicle and options before ordering.
- 2015-2016 Chevrolet Silverado 1500 Pickup: (LH core support), (8 speed, opt M5U)
- 2015-2017 Cadillac Escalade / Escalade ESV: (LH radiator), (8 speed, opt M5U)
- 2015-2016 GMC Sierra 1500 Pickup / Sierra Denali 1500: (LH core support), (8 speed, opt M5U)
- 2015-2016 Chevrolet Silverado 2500/3500 & GMC Sierra 2500/3500: (LH fan shroud), (AT, 6 speed, opt MW7)
- 2015-2016 GMC Yukon / Yukon XL 1500: (LH radiator), (8 speed, opt M5U)
- 2016 Cadillac CTS: (LH front rail), ID 24276411
- 2016 Chevrolet Camaro: (underhood, LH frame rail)
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the module with the exact software and calibrations specified by GM for your truck’s engine, transmission, and options. This ensures perfect compatibility and performance without needing a dealer visit.
Is this a plug-and-play part?
Yes! Because we program it to your VIN before shipping, it is a true plug-and-play solution. Simply install the module, and you’re ready to go. No additional programming or relearn procedures are typically required.
Will this fix my check engine light?
If the check engine light is caused by a faulty TCM (with codes like P0700 or U0100), this replacement module will resolve the issue and the light. We recommend clearing any stored codes with a scan tool after installation.
Where is the TCM located on my 2016 Silverado 1500?
On the 2015-2016 Silverado 1500 with the 8-speed transmission, the TCM is located on the driver’s side (LH) of the radiator core support, near the front of the engine bay.
Do I need to send my old part back?
This listing does not require a core return. You can keep or dispose of your old module, saving you the time and hassle of shipping a core back.