Get Your Work Van Back on the Job, Permanently.
When your 2006-2014 Chevrolet Express 2500 starts shifting erratically or gets stuck in limp mode, your entire workday grinds to a halt. Downtime isn’t just an inconvenience—it’s lost income. This OEM-quality T42 Transmission Control Module (TCM) is the definitive solution to get your reliable workhorse back on the road. It arrives fully pre-programmed to your vehicle’s specific VIN, eliminating the need for expensive and time-consuming dealership visits. This isn’t just a replacement part; it’s a fast-track back to productivity and peace of mind.
Common Symptoms & Your Solution
A failing TCM can manifest in frustrating and unpredictable ways. If you’re experiencing any of the following, this module is the solution you need:
- Harsh, Erratic, or Delayed Shifting: Slamming into gear or hesitating between shifts.
- Stuck in Limp Mode: Vehicle won’t shift out of 2nd or 3rd gear, severely limiting speed.
- Check Engine Light & Transmission Warnings: Active diagnostic trouble codes (DTCs) like P0700, P0750, or other solenoid-related faults.
- No Upshifting or Downshifting: The transmission fails to shift as engine RPMs increase or decrease.
- Poor Fuel Economy & Overheating: Inefficient shifting forces the engine to work harder, wasting fuel and creating excess heat.
Installing our Programmed T42 TCM for 2006-2014 Express 2500 directly addresses the root cause of these issues, restoring the crisp, predictable shifting your transmission was designed for.
Features & Benefits
- ✔ 100% Plug-and-Play: We pre-program the module to your van’s VIN using the latest GM software. It’s ready to install right out of the box with no additional programming required.
- ✔ Eliminate Dealership Costs: Save hundreds of dollars and valuable time by skipping the trip to the dealer for programming services.
- ✔ Restore Peak Performance: By precisely controlling shift points and torque converter lockup, this module restores smooth operation and can improve fuel efficiency.
- ✔ Durable & Dependable: Built to stringent OEM specifications to withstand the demanding conditions of a work vehicle, ensuring long-term reliability.
- ✔ One-Year Warranty: This unit is backed by our one-year replacement warranty, giving you confidence in your repair.
Expert Insight: The Critical Role of VIN Programming
In modern vehicles like your Express van, the TCM is the brain of the transmission, communicating constantly with the engine computer (ECU) and other modules. Generic, non-programmed modules often fail to communicate correctly, leading to persistent codes, poor performance, or even complete non-function. Our VIN-specific programming ensures the TCM has the exact software and calibration your vehicle’s unique configuration requires. This guarantees seamless integration and performance, just like the original part from the factory.
Installation is a straightforward process that can typically be completed in under 30 minutes with basic hand tools. The module is located in the engine compartment (often on the right-hand side in Express/Savana vans). Simply disconnect the battery, swap the modules, and reconnect. This Programmed T42 TCM for 2006-2014 Express 2500 is your most efficient path to resolving frustrating transmission problems and getting back to business.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
Absolutely not. This is the primary benefit of our service. We pre-program the module to your vehicle’s VIN before shipping, so it’s ready for immediate plug-and-play installation. You save time and money by avoiding the dealership entirely.
Is this part compatible with other GM trucks and vans?
Yes, the T42 TCM was used across a wide range of General Motors vehicles from 2006-2014, including the Chevrolet Silverado, Tahoe, GMC Sierra, Yukon, and Savana vans. This specific unit is programmed for your Express 2500 but is physically compatible with many others sharing the 4L60E, 4L65E, 4L70E, or 4L80E transmissions.
What tools are required for installation?
Installation typically requires only basic hand tools, such as a socket set and ratchet, to remove the mounting bolts and disconnect the electrical connectors. No specialized equipment is needed.
How can I be sure my old TCM is the problem?
Common signs of a failing TCM include harsh or unpredictable shifting, getting stuck in one gear (limp mode), and specific transmission-related trouble codes (like P0700). While other issues can cause similar symptoms, a faulty TCM is a very common culprit for these problems in GM vehicles of this era.
Is there a core charge for my old part?
No, we do not require you to send back your old module. There is no core charge, saving you the hassle and expense of return shipping.