Restore Peak Transmission Performance
Is your GMC Savana 1500, Chevrolet Silverado, or Tahoe suffering from harsh, erratic shifting, getting stuck in gear, or flashing a transmission warning light on the dash? A failing Transmission Control Module (TCM) can disrupt your work schedule and sideline your vehicle, causing major frustration. Get back on the road quickly with this professionally VIN-programmed T42 TCM, the direct-fit solution engineered to restore your transmission’s performance and reliability right out of the box.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a faulty TCM is the likely culprit. This module is the definitive solution for:
- Abrupt, harsh, or delayed gear shifts
- Vehicle stuck in “limp mode” (usually 2nd or 3rd gear)
- Illuminated Check Engine Light or transmission warning lights
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, P0751, or other solenoid-related faults
- Failure to upshift or downshift properly
- Poor fuel economy and transmission overheating
Key Features & Tangible Benefits
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN using the latest GM software. This critical step eliminates the need for expensive dealership programming, saving you hundreds of dollars and significant downtime.
- ✔ Restore Smooth Shifting: By precisely managing shift points, line pressure, and torque converter lockup, our Programmed T42 Transmission Control Module ensures your 4L60E, 4L65E, or 4L70E transmission operates as it did from the factory.
- ✔ Built for Reliability: Engineered to meet or exceed strict OEM standards for performance and durability. This ensures dependable, long-term operation whether you’re hauling heavy loads in a Savana van or commuting in an Impala.
- ✔ Guaranteed Compatibility: A direct replacement for a wide range of service numbers, including 24252114, 24234503, 24230461, and 24243901, ensuring a perfect fit and function for dozens of GM models.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight from the Technician’s Bench:
We often see customers replace transmission solenoids and perform expensive fluid flushes, only to find the root cause was the TCM all along. The T42 module is the brain of your automatic transmission. When it fails, it sends erratic signals that can mimic mechanical problems. This VIN-Programmed T42 Transmission Control Module takes the guesswork out of the repair, ensuring the electronic handshake between your engine and transmission is perfect from the moment of installation.
Frequently Asked Questions
Do I need to take this part to a dealer for programming?
Absolutely not. This is the biggest benefit of our service. We program the module to your vehicle’s VIN before it ships, so it’s ready for immediate installation right out of the box. This is a true plug-and-play solution.
Will this fix my specific error code, like P0700?
A P0700 code is a general fault request from the TCM to the main engine computer. This module is designed to resolve the internal TCM failures that trigger P0700 and many other transmission-specific codes. After installation, you should use a scan tool to clear any stored codes.
Where do I provide my vehicle’s VIN?
You will be prompted to enter your 17-digit VIN during the checkout process. This is crucial for us to program the module correctly for your specific vehicle. Please double-check it for accuracy.
Is this part difficult to install?
For most models, installation is straightforward and can be completed in under 30 minutes with basic hand tools. The TCM is typically located in the engine compartment (e.g., next to the battery, on the strut tower, or under the air cleaner box). Always disconnect the battery before starting the replacement.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your old module, making the process simple and hassle-free.