When your Chevrolet Express 3500 is your business, you can’t afford downtime caused by a faulty transmission. A failing Transmission Control Module (TCM) can bring your operations to a halt with harsh shifting, unpredictable gear changes, or a van that’s stuck in limp mode. Get your workhorse back on the road and running reliably with our pre-programmed T42 TCM, the definitive solution for your van’s transmission problems.
Common Symptoms & Your Solution
If your van is experiencing erratic shifting, delayed gear engagement, or has the check engine light on with codes like P0700, the TCM is the most likely culprit. These issues not only make the vehicle unsafe to drive but also signal bigger problems ahead if left unaddressed. This expertly configured 2006-2014 Express 3500 transmission control module is engineered to resolve these exact issues, restoring the crisp, predictable performance your 4L80E or similar 4-speed automatic transmission is known for. It arrives programmed to your van’s specific VIN, eliminating communication errors and ensuring it works perfectly right out of the box.
- ✔ Get Back to Work Faster: This module arrives pre-programmed to your Express 3500’s VIN. This means no expensive trips to the dealership for programming—it’s a true plug-and-play solution that gets your van out of the shop and back on the job.
- ✔ Dependable Shifting You Can Count On: Engineered to OEM standards, this TCM restores precise, smooth shifting. Eliminate the hesitation and gear-hunting that can leave you stranded, ensuring your work van is reliable day in and day out.
- ✔ Built for the Long Haul: Your work van deserves parts that last. This unit is backed by our one-year replacement warranty, giving you confidence in your repair for miles to come.
- ✔ Guaranteed Fitment: This is a direct replacement for your original T42 TCM, compatible with a range of service numbers including 24252114, 24234503, and 24255280, ensuring a perfect fit.
Expert Insight: The Critical Role of VIN Programming
For a work vehicle like the Express 3500, every minute in the shop is lost revenue. That’s why VIN programming isn’t just a convenience—it’s a necessity. A generic, non-programmed module can cause more problems than it solves, leading to incorrect shift points, poor fuel economy, and even new diagnostic trouble codes. Our process ensures the module has the latest GM software and is perfectly calibrated to your van’s specific configuration, just like the original part. This eliminates diagnostic guesswork and prevents the costly possibility of a repeat repair.
Don’t let a faulty TCM dictate your work schedule. By installing this quality-tested 2006-2014 Express 3500 transmission control module, you’re not just replacing a part; you’re investing in the reliability and longevity of your most important business tool. Installation is straightforward, typically located in the RH engine compartment, and requires no core charge. Take control of your repair and get your van performing like new again.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. This module comes fully pre-programmed to your vehicle’s VIN. It is ready for a plug-and-play installation, saving you a costly trip to the dealership.
What are the main signs my Express 3500 TCM is failing?
Common symptoms include harsh or erratic shifting, the vehicle being stuck in one gear (limp mode), a lit check engine or transmission warning light, and diagnostic trouble codes such as P0700 or other transmission-related codes.
Where is the TCM located on my 2006-2014 Express 3500?
On the Chevrolet Express and GMC Savana vans from this era, the transmission control module is typically found in the right-hand (passenger side) engine compartment.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating the TCM has detected a problem. While this module often resolves the root cause, it’s essential to diagnose any other codes that are present. After installing the new 2006-2014 Express 3500 transmission control module, be sure to clear all codes with a scan tool.
Is there a core charge for this part?
No, we do not require a core charge. You can keep your old part, eliminating the hassle and expense of shipping it back.