Is Your Sierra 2500’s Transmission Letting You Down?
When your 2007 GMC Sierra 2500 is your livelihood, you can’t afford transmission problems. Harsh shifting, getting stuck in limp mode, or a glaring check engine light means downtime, frustration, and lost productivity. This genuine GM T42 Transmission Control Module (TCM), pre-programmed specifically to your truck’s VIN, is the definitive, no-hassle solution to get your workhorse back on the job. It directly replaces service numbers 24242391, 24234503, and 24252114, restoring the crisp, reliable shifting you depend on.
Common Symptoms & Your Solution
A failing TCM can bring your entire operation to a halt. If you’re experiencing any of these issues, this module is the fix you need. It’s designed to resolve the root cause of problems like:
- Abrupt, harsh, or delayed gear shifts
- Vehicle stuck in a single gear (limp mode)
- Active Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults
- Failure to upshift or downshift correctly
- Noticeably poor fuel economy
By installing our Programmed 2007 GMC Sierra 2500 TCM, you’re not just replacing a part; you’re restoring your truck’s core performance and reliability without an expensive trip to the dealership for programming.
Features & Benefits
- ✔ Plug & Play Installation: This module arrives pre-programmed to your truck’s specific VIN. There is absolutely no need for additional, costly dealership programming. Simply install it and go.
- ✔ Restored Drivability: Eliminates erratic shifting and transmission hesitation, providing the smooth and predictable performance your heavy-duty truck was built for.
- ✔ OEM-Grade Quality: Built to strict General Motors standards, ensuring perfect communication with your vehicle’s powertrain and long-lasting durability under tough working conditions.
- ✔ Cost-Effective Repair: Save hundreds of dollars by avoiding dealership programming fees. This is the most efficient way to solve complex electronic transmission issues.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In modern trucks like the Sierra 2500, the TCM is the brain of the transmission. It needs to know every specific detail of your vehicle—from axle ratio to tire size—to make precise shifting decisions. Generic, non-programmed modules can’t do this, leading to persistent performance issues. Our VIN-specific programming loads the latest GM software calibrated exactly for your truck, ensuring every shift is perfect and all systems communicate flawlessly from the moment you turn the key. It’s the only way to do the job right.
Don’t let a faulty module compromise your truck’s capability. This Programmed 2007 GMC Sierra 2500 TCM is the reliable, straightforward solution to get you back to work with confidence. Installation is simple for a DIYer or any professional mechanic, typically taking less than 30 minutes. It’s located next to the battery in the engine compartment for easy access.
Frequently Asked Questions
Do I need to have this TCM programmed by a dealer?
No. This is the biggest benefit of our service. We pre-program the module to your vehicle’s specific VIN before shipping it. It will arrive ready for a plug-and-play installation, with no extra programming required.
What tools are needed for installation?
Installation is straightforward and requires only basic hand tools, such as a socket set to disconnect the battery and remove the module’s mounting bolts. A scan tool is recommended to clear any stored trouble codes after the new part is installed.
Is a core charge required for my old part?
No, there is no core charge. You can keep your old part, eliminating the hassle and expense of shipping it back.
How do I know this will fix my transmission problem?
This module is the direct solution for issues caused by a faulty TCM, including the common symptoms listed above (erratic shifting, limp mode, specific DTCs). If your vehicle has been properly diagnosed with a failed transmission control module, this part will resolve those electronic issues.
Will this fit other GM vehicles besides the Sierra?
Yes, this T42 TCM is compatible with a wide range of 2006-2014 GM vehicles, including the Silverado, Tahoe, Yukon, Savana, Express, and many others that use a 4-speed automatic transmission like the 4L60E or 4L80E. Please verify the part number or use our fitment tool to ensure compatibility.