Restore Your Truck’s Smooth, Reliable Shifting
Is your GMC Sierra or other GM vehicle suffering from harsh shifts, getting stuck in gear, or throwing transmission codes? A failing Transmission Control Module (TCM) can cripple your vehicle’s performance and leave you stranded. This genuine GM T42 Transmission Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward, plug-and-play installation that gets you back on the road with confidence.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely culprit. This module is engineered to resolve these exact problems:
- Erratic, harsh, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- 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 properly
- Poor fuel economy and potential transmission overheating
By replacing your old unit with this professionally programmed 2007-2013 Sierra 1500 transmission control module, you’re not just swapping a part—you’re restoring the brain of your transmission with the latest software updates for optimal performance and longevity.
Features & Benefits
- ✔ Plug & Play Installation: This module is expertly programmed to your vehicle’s VIN number before shipping. Simply install it, and you’re ready to go—no costly trips to the dealership for flashing or setup.
- ✔ Restored Performance: Re-establishes precise electronic control over shift points, torque converter lockup, and line pressure, resulting in a smooth and responsive driving experience.
- ✔ Enhanced Durability: Built to strict OEM specifications to withstand the demanding conditions of your work truck or daily driver, ensuring long-term reliability.
- ✔ Cost-Effective Repair: Avoid the high costs and scheduling hassles of dealership service. This is the most efficient way to get your truck shifting perfectly again.
- ✔ Guaranteed Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
“In modern vehicles like the GMC Sierra, the TCM doesn’t just manage the transmission; it communicates constantly with the Engine Control Module (ECM) and other vehicle systems. A generic, non-programmed module can cause communication conflicts, leading to persistent error codes or even new performance issues. VIN-specific programming ensures the TCM has the exact software and calibration your truck left the factory with, plus any subsequent factory updates. This guarantees seamless integration for a permanent, reliable fix.”
Whether you’re a seasoned DIY mechanic or simply want to supply your trusted shop with the correct part, this is the smartest choice for your vehicle. This high-quality 2007-2013 Sierra 1500 transmission control module is also a direct replacement for a wide range of GM vehicles, including the Chevrolet Silverado, Tahoe, Suburban, and GMC Yukon. Restore the dependability you count on and order today.
Frequently Asked Questions
What does VIN programming mean for me?
VIN programming means we load your vehicle’s specific factory software onto the module before we ship it to you. This makes the unit ready for installation right out of the box, with no additional programming or dealer visits required. It ensures perfect compatibility and performance.
Is this part difficult to install?
For most models, the installation is straightforward and can be completed in under 30 minutes with basic tools. The TCM is typically located in the engine compartment (e.g., next to the battery or under the air cleaner box). We always recommend disconnecting the battery before starting the replacement.
Will this fix my specific error code, like P0700?
This module is designed to correct issues stemming from a faulty TCM, including common codes like P0700 (Transmission Control System Malfunction) and various solenoid codes. However, you should always ensure the underlying mechanical components of your transmission are in good condition, as the TCM cannot fix a mechanical failure.
Do I need to return my old TCM?
No, there is no core charge for this part. You can keep your old module, which saves you the time and hassle of packaging and returning the old unit.
How do I know for sure that my TCM is failing?
The most common indicators are erratic shifting, the vehicle entering limp mode, and specific transmission-related trouble codes. If you are experiencing a combination of these symptoms, the TCM is the most likely cause. A professional diagnosis is always the best way to be certain.
Is this the correct 2007-2013 Sierra 1500 transmission control module for my truck?
Yes, this part is specified for the 2007-2013 GMC Sierra 1500 and many other GM vehicles. Providing your VIN during checkout guarantees we program it with the exact software for your truck’s configuration, ensuring a perfect match.