End Transmission Headaches in Your 2005-2006 Chevrolet SSR
Is your Chevrolet SSR suffering from frustrating and unpredictable transmission behavior? If you’re dealing with harsh bangs into gear, a vehicle that won’t shift, or a persistent check engine light, you’re not alone. The Transmission Control Module (TCM) is the electronic brain of your automatic transmission, and when it fails, it can cause a host of problems. This VIN-programmed T42 TCM, part number YNXS, is the definitive, hassle-free solution to restore the smooth, reliable performance your unique truck deserves.
As a technician with over two decades of experience, I’ve seen countless GM vehicles sidelined by faulty TCMs. The symptoms are often mistaken for major mechanical failure, leading to expensive and unnecessary diagnostic time. This module is a direct-fit replacement for your original 2005-2006 SSR TCM, pre-programmed with your vehicle’s specific VIN. This means no expensive trips to the dealership for flashing—it’s a true plug-and-play repair you can perform right in your driveway.
Case Study: A Tricky Diagnosis
A customer brought in their 2006 Chevy SSR complaining of intermittent ‘limp mode’—it would get stuck in 3rd gear without warning. They had already replaced two shift solenoids with no luck. A quick scan showed a generic P0700 (Transmission Control System Malfunction) code. Instead of just chasing solenoid codes, we checked the TCM communication lines. We found intermittent data loss, a classic sign of internal TCM failure. After installing a VIN-programmed module like this one, the shifting was crisp, all codes were cleared, and the customer was back to enjoying their ride. This highlights why addressing the core electronic controller is often the correct fix.
Is Your SSR Exhibiting These Transmission Issues?
A failing TCM can manifest in several ways. If you notice any of the following, it’s a strong indicator that your module needs replacement:
- âś” Sudden, harsh, or jerky gear shifts.
- âś” The transmission seems to slip between gears or delays engagement.
- âś” Your vehicle is stuck in a single gear (often called ‘limp mode’).
- âś” The Check Engine Light or a transmission-specific warning light is on.
- âś” Diagnostic Trouble Codes (DTCs) are present, such as P0700, P0750, or other solenoid-related faults.
- âś” A noticeable drop in fuel economy or a feeling of lost power.
DIY-Friendly Installation: A 30-Minute Fix
Replacing the 2005-2006 SSR TCM is a straightforward job that most DIY enthusiasts can handle in under 30 minutes with basic tools. Our VIN programming makes it simple.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and reset the system.
- Locate the Module: On the Chevrolet SSR, the TCM is typically located on the front left-hand (driver’s side) frame rail.
- Disconnect and Remove: Carefully unplug the electrical connectors. Be gentle with the locking tabs. Then, unbolt the old module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM into place. Securely reconnect the electrical harnesses, ensuring they click into place.
- Final Steps: Reconnect the battery terminal. Start the vehicle and allow it to idle for a few minutes. While not always necessary, using a basic OBD2 scan tool to clear any stored fault codes is a good final step.
Verified Fitment for Your Vehicle
This module is a guaranteed fit for the following vehicle. It is also interchangeable with a wide range of other GM models, making it a versatile and reliable part for professional repair shops.
- âś” Chevrolet SSR: 2005-2006 (Transmission; front LH frame)
This part (YNXS) is a direct replacement for multiple service numbers, including 24242391, 24234503, 24252114, and others, ensuring broad compatibility across the GM family of vehicles from 2006-2014 such as the Silverado, Tahoe, Impala, Yukon, and more.
Frequently Asked Questions
Do I need to have this TCM programmed by a dealer?
No. We handle all the programming for you. Simply provide your vehicle’s VIN at checkout, and the module will arrive ready for immediate installation, saving you time and money.
What is the main benefit of a pre-programmed module?
The primary benefit is convenience and cost savings. You can perform the repair yourself without needing expensive dealership diagnostic tools or paying for programming services, turning a complex job into a simple plug-and-play fix.
Is there a core charge for my old part?
No, there is no core charge. You can keep or dispose of your old module without the hassle of returning it.
Will this fix a P0700 diagnostic code?
A P0700 code is a general fault request from the TCM to the main engine computer. While this module often resolves the underlying cause of a P0700 code, it’s important to ensure there are no other issues like bad wiring or faulty solenoids. In many cases, a failing 2005-2006 SSR TCM is the root cause.