Restore Crisp, Decisive Shifting to Your Chevrolet SSR
If your 2005-2006 Chevrolet SSR is suffering from erratic shifting, getting stuck in gear, or throwing transmission codes, the culprit is often a failing Transmission Control Module (TCM). As the electronic brain of your automatic transmission, the TCM dictates every gear change and torque converter operation. When it fails, drivability suffers, and you’re often left with a frustrating and unreliable vehicle. This T42 TCM, part number 24243921, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
A Technician’s Notebook: The Phantom Shifting Problem
I remember a 2006 SSR rolling into my bay with a classic complaint: “It shifts hard sometimes, but not always.” The owner had been chasing the problem for weeks. We checked fluid levels, scanned for codes (only an intermittent P0700 history code), and couldn’t replicate the issue on a test drive. These intermittent electronic faults are the toughest to diagnose. From experience with hundreds of these GM platforms, I know that heat soak is a major enemy of the T42 TCM. After a long drive, the module’s internal circuits can break down, causing the harsh shifts, only to work fine again once cooled. Replacing the module with a pre-programmed unit like this one solved the issue instantly, saving the customer from a potential transmission rebuild.
Is Your SSR Exhibiting These Transmission Problems?
A faulty TCM can manifest in several ways. As a technician, these are the symptoms I see most frequently. If you’re experiencing any of these, it’s a strong indicator that your TCM needs attention.
- ✔ Harsh, slamming shifts or delayed gear engagement.
- ✔ The vehicle is stuck in “limp mode,” often refusing to shift out of 2nd or 3rd gear.
- ✔ Check Engine Light or Transmission Warning Light is illuminated with Diagnostic Trouble Codes (DTCs) like P0700, P0750-P0758, or other solenoid-related faults.
- ✔ Inability to upshift or downshift, leading to poor acceleration and terrible fuel economy.
- ✔ Complete loss of communication with the transmission module.
The Smart Solution: VIN-Programmed for Your Vehicle
The biggest hurdle in replacing a modern vehicle module is the programming. This 2005-2006 SSR TCM eliminates that step entirely. We handle the complex part for you. Using the latest GM software, we program the module to your exact Vehicle Identification Number (VIN) before it ships. This ensures that all factory shift points, torque strategies, and communication protocols are perfectly matched to your SSR’s powertrain. You get a part that works correctly right out of the box, with no need for an expensive trip to the dealership for programming.
A Straightforward Guide to Installation
For the 2005-2006 SSR, this is a repair you can confidently tackle in your own garage. The TCM is located on the front left-hand side of the frame rail, making it accessible without major disassembly.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the vehicle’s computer systems.
- Locate the Module: Find the TCM on the front LH frame of your SSR. It’s a silver box with electrical connectors.
- Disconnect and Remove: Carefully unclip the wiring harnesses. Then, unbolt the module from its mounting bracket.
- Install the New TCM: Mount the new, pre-programmed module in the same location. Securely reconnect the wiring harnesses, ensuring the clips click into place.
- Final Steps: Reconnect the battery terminal. While not always necessary, it’s good practice to use a basic OBD2 scan tool to clear any stored fault codes from the ECU. Start the vehicle and enjoy restored performance.
Verified Fitment Across GM Platforms
While this listing is focused on the 2005-2006 SSR TCM, this versatile T42 module is also a direct replacement for a wide range of other General Motors vehicles. It is interchangeable with part numbers 24252114, 24234503, 24243901, and more.
Partial Fitment List:
- CHEVROLET SSR: 2005-2006 (front LH frame)
- CHEVROLET SILVERADO & GMC SIERRA: 2007-2013 (next to battery)
- CHEVROLET TAHOE & GMC YUKON: 2007-2009 (next to battery)
- CADILLAC DTS: 2006-2011 (RH front engine compartment)
- HUMMER H3: 2008-2010 (RH rear engine compartment)
- …and many more models from Buick, Pontiac, Saturn, and Saab.
Frequently Asked Questions
Do I need to have the dealership program this module?
No. This module comes fully programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you time and money.
What is a core charge?
A core charge is a deposit you pay until you return your old part. We do not have a core charge on this item, so you can keep your old module without any hassle or extra cost.
Where is the TCM located on my 2005 SSR?
On the 2005-2006 Chevrolet SSR, the Transmission Control Module is mounted on the front left-hand (driver’s side) frame rail.
Will this fix a P0700 trouble code?
A P0700 code is a general fault request from the TCM to the main engine computer. While this module often resolves the underlying issue causing the P0700, you should scan for more specific P-codes (like P07xx) to confirm the diagnosis. A faulty TCM is a very common cause.
What is the warranty on this part?
This transmission control module is backed by our comprehensive one-year warranty, giving you confidence in your repair.