Restore Peak Transmission Performance in Your GM Vehicle
Is your Buick Allure, Chevrolet Silverado, or GMC Yukon suffering from erratic shifting, getting stuck in gear, or displaying a persistent check engine light? These are classic signs of a failing Transmission Control Module (TCM). The TCM acts as the central computer for your automatic transmission, managing everything from shift points to torque converter lockup. When it fails, it can mimic the symptoms of a catastrophic mechanical failure, leading to drivability issues and diagnostic headaches. This OEM-quality T42 TCM, part number 24235753, is the definitive solution to restore the smooth, reliable performance your vehicle had when it was new.
From the Diagnostic Bay
We recently had a 2008 Chevrolet Tahoe come in, stuck in third gear—a classic case of ‘limp mode.’ The owner was worried he needed a full transmission rebuild. The scanner showed a P0700 code, which is a general fault request from the TCM. Instead of tearing down the transmission, we checked the TCM communication. Seeing intermittent data, we knew the module was the likely culprit. We installed one of our VIN-programmed T42 modules, and within a 30-minute test drive, the Tahoe was shifting flawlessly through all gears. This straightforward component replacement saved the customer thousands of dollars and extensive vehicle downtime.
Identifying a Failing Buick Allure TCM
A faulty Buick Allure TCM can cause a wide range of frustrating symptoms that can be easily misdiagnosed. If you’re experiencing any of the issues below, there’s a strong probability that your transmission control module is the root cause. Replacing it with our pre-programmed unit is a direct and effective repair that addresses these common problems at their source, getting you back on the road with confidence.
Common Symptoms of a Defective T42 Module
- ✔ Harsh, slamming, or delayed gear engagement.
- ✔ Erratic or unpredictable upshifting and downshifting.
- ✔ Vehicle enters “limp mode,” often stuck in 2nd or 3rd gear.
- ✔ Illuminated Check Engine Light or Transmission Warning Light.
- ✔ Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related faults.
- ✔ A noticeable decrease in fuel efficiency.
- ✔ The transmission may feel like it’s slipping between gears.
- ✔ Complete loss of communication with the module, preventing diagnostics.
The Critical Advantage of VIN Programming
Don’t settle for a generic, unprogrammed module that requires an expensive trip to the dealership. Our T42 TCMs are expertly programmed to your vehicle’s specific Vehicle Identification Number (VIN) before they ship. This process loads the latest GM software and calibrates the module to your vehicle’s exact specifications, including engine size, axle ratio, and tire size. The result is a true plug-and-play installation that ensures optimal shift performance, fuel economy, and electronic compatibility right out of the box. This crucial step eliminates the need for specialized tools or dealer intervention, saving you time and money.
This module is a direct replacement for a wide range of service numbers, including 24252114, 24234503, 24230461, 24234274, 24235340, and many more, making it the perfect fit for countless GM cars, trucks, and SUVs from 2006 to 2014. Whether you’re repairing a Buick LaCrosse, Chevrolet Impala, GMC Sierra, or Cadillac DTS, this module provides a reliable and lasting fix.
Frequently Asked Questions
What is VIN programming and why is it essential?
VIN programming installs your vehicle’s specific software and calibrations onto the TCM. GM vehicles have many different configurations, and this process ensures the module works perfectly with your engine, transmission, and other systems for optimal performance. Without it, the vehicle may not shift correctly or even start.
Is this module difficult to install at home?
Installation is generally straightforward for someone with basic mechanical skills. The TCM is typically located in the engine bay (e.g., near the battery, under the air cleaner box). The process involves disconnecting the battery, unplugging the electrical connectors, unbolting the old module, and installing the new one. Most installations take less than 30 minutes.
Will this fix transmission-related trouble codes like P0700?
Yes. A P0700 code is a general fault code indicating the TCM has detected a problem. In many cases, a failing TCM is the cause of the code itself. Replacing a faulty module with our pre-programmed unit will often clear this and related solenoid codes permanently after installation.
Do I need to return my old part?
No. We do not require a core return for this part. You can keep or dispose of your old module without any core charge or hassle.
Is this part compatible with my Chevrolet Silverado or just the Buick Allure?
This T42 TCM is compatible with a massive range of 2006-2014 GM vehicles equipped with 4-speed automatic transmissions like the 4L60E, 4L65E, and 4L70E. This includes popular models like the Chevrolet Silverado, Tahoe, Impala; GMC Sierra, Yukon; Cadillac DTS; Pontiac G6, and many others.