2005 Rainier TCM 24233595 Programmed to Your VIN

Restore Your GM Vehicle’s Shifting Performance

If you’re dealing with erratic shifting, a flashing check engine light, or your 2005 Buick Rainier feels like it has a mind of its own, a failing Transmission Control Module (TCM) is often the culprit. I’ve seen it hundreds of times in my shop: what seems like a catastrophic transmission failure is actually an electronic issue. This replacement TCM is the definitive solution, arriving at your door fully programmed with the latest GM software specifically for your vehicle. Simply provide your VIN at checkout, and we handle the complex programming, saving you a costly trip to the dealership.

Is Your Vehicle Showing These Symptoms?

A faulty TCM can manifest in various ways, often mimicking a mechanical transmission problem. Before you condemn the transmission itself, check if you’re experiencing any of these common signs of failure. This 2005 Rainier TCM is designed to resolve them.

• ✔ Harsh or delayed gear engagement
• ✔ Inability to shift into certain gears
• ✔ Vehicle stuck in “Limp Mode” (usually 2nd or 3rd gear)
• ✔ Flashing or illuminated Check Engine Light
• ✔ Transmission-related Diagnostic Trouble Codes (DTCs) such as P0700, P0753, P0758, or U0101 (Lost Communication with TCM)
• ✔ Inaccurate speedometer or gear indicator readings

A Straightforward Guide to Installation

One of the biggest advantages of this module is its plug-and-play nature. Since we program it to your VIN, there are no extra steps required after installation. While the exact location varies slightly by model, the process is generally straightforward for a DIYer with basic tools.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
2. Locate the TCM: On the 2005 Rainier, the TCM is typically located in the engine bay. On other compatible vehicles, it might be near the air cleaner housing or on the frame rail. A quick search for your specific model will confirm its location.
3. Disconnect the Connectors: Carefully unclip the wiring harness connectors from the old TCM. These clips can be brittle, so work slowly. A small flathead screwdriver can help gently release the locking tabs.
4. Remove the Old Module: Unbolt the old TCM from its mounting bracket. It’s usually held in place by a few small bolts or nuts.
5. Install the New Module: Mount your new, pre-programmed TCM in the same location and secure it with the original hardware.
6. Reconnect and Finalize: Plug the wiring harness connectors firmly into the new module. You should hear a ‘click’ as they lock in place. Reconnect the negative battery terminal, start the vehicle, and enjoy smooth, reliable shifting.

Verified Vehicle Compatibility

This module is a direct replacement for multiple part numbers and is guaranteed to fit the following vehicles. We program it specifically for your model using your VIN to ensure perfect function.

• Buick Rainier 2005
• Buick Allure / LaCrosse 2005 (with 3.6L)
• Chevrolet Cobalt 2005
• Chevrolet Corvette 2005
• Chevrolet Trailblazer EXT 2005 (with 8 cylinder)
• GMC Envoy / XL / XUV 2005 (with 8 cylinder)
• Pontiac GTO 2005
• Pontiac Grand Prix 2005
• Pontiac Pursuit 2005
• Saturn ION 2005
• Buick Rendezvous 2004-2005 (with 3.6L)

This part directly replaces part numbers: 24223112, 24226863, 24233595, 24234189, 24239427, YBWW, YDFC, YDFD, YDLT, YJHY, YKTB, YKTF.

Frequently Asked Questions