Restore Smooth, Reliable Shifting to Your Grand Prix
Experiencing harsh shifts, warning lights, or getting stuck in limp mode in your Pontiac Grand Prix? A failing transmission control module (TCM) is a common cause of these frustrating issues, but the solution is straightforward. This OEM-quality T42 Transmission Control Module is expertly pre-programmed to your vehicle’s specific VIN, ensuring a perfect, plug-and-play installation that restores your car’s original performance and reliability without a costly trip to the dealership.
Common Symptoms & Your Solution
If your vehicle is exhibiting any of the following symptoms, a faulty TCM is the likely culprit. This module is the definitive solution for:
- Harsh, erratic, or delayed gear shifts
- Vehicle stuck in a single gear (limp mode)
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) such as P0700, P0750, or other solenoid-related codes
- Failure to upshift or downshift, leading to poor acceleration and fuel economy
- Complete loss of transmission communication
Installing this pre-programmed 2006-2008 Grand Prix transmission control module resolves these issues by restoring precise communication between your engine and transmission, ensuring every shift is smooth and correctly timed.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Car: Arrives ready for installation with the latest GM software updates tailored to your specific Grand Prix. This eliminates the need for expensive dealership programming and ensures immediate, flawless operation.
- ✔ Restored Drivability: By precisely managing shift points and torque converter lockup, this module brings back the smooth, responsive feel your vehicle had when it was new, improving both comfort and performance.
- ✔ Long-Term Reliability: Built to stringent OEM standards, this component is designed to withstand the demanding conditions of daily driving, preventing future shifting problems and ensuring lasting durability.
- ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty.
- ✔ Direct-Fit Replacement: Engineered as a direct replacement for a wide range of part numbers, including 24252114, 24234503, 24230461, and 24235732, guaranteeing a perfect fit.
Expert Insight: The Critical Role of VIN Programming
In modern GM vehicles, the TCM doesn’t just control the transmission; it’s part of a complex network that includes the Engine Control Module (ECM) and Body Control Module (BCM). A generic, non-programmed module can cause communication conflicts, leading to persistent error codes and performance issues. Our VIN programming service ensures this 2006-2008 Grand Prix transmission control module is recognized by your vehicle’s network instantly, just like the original part. This critical step is the key to a successful, lasting repair and is included with every unit we sell.
Frequently Asked Questions
What does a VIN-programmed TCM actually do?
VIN programming loads your vehicle’s specific software and operational parameters onto the module before it ships. This ensures the TCM knows exactly how to operate with your car’s engine, tire size, and gear ratios, making the installation truly plug-and-play without needing any additional tools or dealer visits.
Is this part difficult to install on my Grand Prix?
No, installation is generally straightforward for a DIYer with basic tools. On the 2006-2008 Grand Prix, the TCM is typically located in the lower air cleaner housing. The process involves disconnecting the battery, unplugging the electrical connectors, removing the old module, and installing the new one. The entire job usually takes less than an hour.
Will this fix a P0700 trouble code?
A P0700 code is a general transmission fault code, indicating that the TCM has detected a problem. While this module often resolves the root cause (like a faulty solenoid circuit internal to the TCM), it’s essential to diagnose any other potential issues. However, a failing TCM is one of the most common reasons for a P0700 code.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep your old module without any extra fees or hassle, simplifying the repair process for you.
How can I be sure this is the right part for my car?
This 2006-2008 Grand Prix transmission control module is a direct replacement for service number 24235732 and many others. By providing your VIN during checkout, we guarantee it will be programmed correctly for your specific vehicle, ensuring perfect compatibility.