Restore Smooth Shifting in Your Pontiac Pursuit
Is your 2005 Pontiac Pursuit suffering from harsh, erratic shifting, getting stuck in gear, or throwing a check engine light? These are classic signs of a failing Transmission Control Module (TCM). As a technician with over two decades of experience, I’ve seen firsthand how a faulty TCM can make a reliable car feel unpredictable and unsafe. This isn’t just an annoyance; it’s a critical component failure that impacts drivability and fuel economy. You need a solution that is both reliable and straightforward, and that’s exactly what this part provides.
This is a direct-fit replacement 2005 Pursuit TCM, part number 24239427. The most significant benefit we offer is that this module arrives at your door fully programmed to your vehicle’s specific Vehicle Identification Number (VIN). We handle the complex part—flashing the module with the latest GM software updates—so you don’t have to. This completely eliminates the need for an expensive trip to the dealership for programming. It’s a true plug-and-play solution designed to get you back on the road with confidence.
Case Study: A Tricky Diagnosis
A few months back, a 2005 Cobalt (which shares the same platform and TCM as the Pursuit) came into my shop. The owner was frustrated. He’d been told he needed a new transmission. The car would shift hard from 1st to 2nd, and occasionally the PRNDL indicator would go blank, and the car would be stuck in what felt like 2nd gear (limp mode). I scanned it and found a U0100 code—Lost Communication with TCM. Instead of a costly transmission replacement, I suspected the module itself. We ordered a VIN-programmed TCM like this one. The installation took less than 30 minutes. After a quick battery reconnect, the car started up, the codes were gone, and it shifted perfectly. The customer saved thousands and drove away with a car that felt new again. This is a common story for these vehicles, and the solution is often this simple.
Common Signs of a Failing TCM
If you’re experiencing any of the following issues, a failing TCM is the likely culprit. Replacing your 2005 Pursuit TCM can be the definitive fix.
- ✔ Harsh or delayed gear engagement
- ✔ Vehicle stuck in one gear (limp mode)
- ✔ Check Engine Light illuminated with transmission-related codes
- ✔ Common Diagnostic Trouble Codes (DTCs) include P0700, P0751, P0756, and U0100
- ✔ Poor fuel economy
- ✔ Inaccurate or blank gear indicator on the dashboard
A Straightforward Guide to Installation
Installing your new 2005 Pursuit TCM is a manageable job for a DIY enthusiast. The module is typically located behind the driver’s side strut tower in the engine bay.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the TCM: On your Pursuit, find the TCM mounted behind the driver-side (LH) strut tower. You may need to move some components for clear access.
- Disconnect Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Do not force them.
- Remove the Old Module: Unbolt the old TCM from its mounting bracket. Keep the hardware as you will need it for the new module.
- Install the New Module: Mount your new, pre-programmed TCM onto the bracket using the original hardware.
- Reconnect Everything: Firmly plug the electrical connectors into the new module until they click into place. Reconnect your vehicle’s battery terminal.
- Final Check: Start the vehicle. The check engine light should be off, and your car should now shift smoothly. A short drive will allow the system to fully adapt.
Verified Vehicle Compatibility
This module is a direct replacement for multiple part numbers, including 24223112, 24226863, 24233595, 24234189, 24239427, YBWW, YDFC, YDFD, YDLT, YJHY, YKTB, and YKTF. It is guaranteed to fit the following vehicles:
- Pontiac Pursuit (2005) – Located behind LH strut tower
- Chevrolet Cobalt (2005) – Located behind LH strut tower
- Chevrolet Corvette (2005) – Located on LH frame rail
- Chevrolet Trailblazer EXT (2005) – 8 cylinder models, LH engine compartment
- GMC Envoy / Envoy XL / Envoy XUV (2005) – 8 cylinder models, LH engine compartment
- Buick Rainier (2005) – Transmission
- Buick Rendezvous (2004-2005) – 3.6L models, in air cleaner box
- Buick Allure / LaCrosse (2005) – 3.6L models, lower air cleaner housing
- Pontiac GTO (2005) – Transmission
- Pontiac Grand Prix (2005) – Located in lower air cleaner housing
- Saturn ION (2005) – Located behind LH strut tower
Frequently Asked Questions
How does the VIN programming process work?
It’s simple! After you complete your purchase, you will need to send us your 17-digit VIN. Our technicians will then use certified equipment to load the latest GM software specific to your vehicle onto the module before we ship it out.
Is this part difficult to install myself?
For most DIYers with basic tools, this is a very manageable installation. The module is typically easy to access in the engine bay, and since it’s pre-programmed, no special electronic tools are needed. Just swap the part and reconnect the battery.
Will this fix my check engine light and error codes?
Yes, if the codes (like U0100 or P0700 series) are being caused by a faulty TCM, this part is designed to be the definitive solution. It restores proper communication and function, which should clear the related codes after installation.
Is there a core charge for my old part?
There is no core charge for this module. You can keep or responsibly dispose of your old part without needing to send it back to us.
What if I have a different part number on my old module?
This module is a compatible replacement for a wide range of original part numbers, including 24223112, 24226863, 24233595, and others listed above. As long as your vehicle is on the compatibility list, this module will work perfectly.