Is your Chevy Express 3500 van shifting harshly, stuck in limp mode, or throwing transmission codes? A faulty TCM can bring your work to a halt. This VIN-programmed T42 Transmission Control Module is the direct-fit solution to get your van back on the road and earning again, fast. It’s engineered to restore the crisp, reliable shifting your workhorse vehicle needs to perform day in and day out.
Common Symptoms & Your Solution
When the brain of your transmission fails, your entire operation can be sidelined. You might be experiencing frustrating and costly issues like harsh gear engagement, unpredictable shifting, or a complete refusal to shift out of a single gear. Diagnostic Trouble Codes (DTCs) like P0700, P0750, or other solenoid-specific codes often point directly to a failing module. This pre-programmed 2006-2014 Express 3500 Transmission Control Module is the definitive solution, designed to resolve these issues without requiring a trip to the dealership for expensive programming.
- ✔ Plug & Play Installation: This module arrives pre-programmed to your van’s specific VIN. This eliminates the need for expensive scan tools or dealership appointments, saving you significant time and money.
- ✔ Restore Peak Performance: By precisely managing shift points, torque converter lockup, and line pressure, this TCM restores the smooth, efficient operation your transmission had from the factory.
- ✔ Built for Reliability: Engineered to meet or exceed original equipment standards, this module is built to withstand the demanding conditions of a commercial vehicle, ensuring long-term dependability.
- ✔ Solve Annoying Warning Lights: Correctly replaces your faulty original unit to clear persistent check engine and transmission warning lights related to module failure.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Mechanic’s Insight
For a work vehicle like the Express 3500, downtime is lost income. We’ve seen countless vans sidelined by TCM failure. The most common mistake is installing a non-programmed unit, which leads to more headaches and dealer visits. Our pre-programmed modules eliminate that entire step. You’re not just buying a part; you’re buying a faster, more reliable repair that respects your time and your business. Installing a quality 2006-2014 Express 3500 Transmission Control Module like this one is the correct way to ensure the job is done right the first time.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. This Transmission Control Module is professionally programmed to your vehicle’s specific VIN before it ships. It is ready for a direct, plug-and-play installation right out of the box, with no further programming required.
Where is the TCM located on a 2006-2014 Express 3500 van?
On the Chevrolet Express and GMC Savana vans from this era, the TCM is typically located in the engine compartment on the right-hand (passenger) side. Always disconnect the vehicle’s battery before attempting removal or installation.
Will this fix a P0700 trouble code?
A P0700 code is a general fault code indicating that the TCM has detected a problem and has requested the check engine light to be turned on. While this module often resolves the underlying cause (like a faulty solenoid circuit within the module itself), it’s crucial to diagnose the specific codes stored in the TCM to confirm the root cause. This part is a common fix for many of those specific codes.
Is this a direct replacement for part number 24252114?
Yes, this T42 TCM is a compatible replacement for a wide range of GM service numbers, including 24252114, 24234503, 24242391, and many others listed in the product details. It provides the same form, fit, and function.
Is there a core charge for my old part?
No, there is no core charge required for this 2006-2014 Express 3500 Transmission Control Module. You can keep your old part without the hassle of returning it.