Is Your GMC Sierra Shifting Erratically or Stuck in Gear?
As a mechanic with over two decades of experience, one of the most common complaints I hear from owners of GM trucks like the 2007-2013 Sierra 1500 involves transmission problems. You might be experiencing harsh, slamming shifts, a frustrating delay when you put it in drive, or the truck might be stuck in ‘limp mode,’ refusing to shift past 2nd or 3rd gear. These aren’t just annoyances; they are classic signs of a failing Transmission Control Module (TCM), the electronic brain that governs your automatic transmission’s every move.
“A customer’s 2011 Sierra 1500 came in last week with these exact symptoms. The check engine light was on with a P0700 code, and it was shifting so hard he was afraid to drive it. He was worried he needed a full transmission rebuild, which can cost thousands. After a quick diagnostic scan confirmed communication errors with the TCM, we swapped it with one of our pre-programmed units. In under an hour, the truck was shifting like new. It’s a common scenario where a simple, targeted repair saves a massive headache and expense.”
Your Direct Solution: A Plug-and-Play Programmed TCM
This T42 Transmission Control Module is the definitive solution for restoring your truck’s performance. The biggest hurdle with replacing a TCM has always been the required, and often costly, trip to the dealership for programming. We eliminate that step entirely. By providing your vehicle’s VIN at checkout, we program the module with the latest GM software specific to your Sierra 1500. It arrives at your door ready for a true plug-and-play installation.
Key Benefits of This Programmed TCM:
- โ Eliminate Dealer Programming: This module is expertly pre-programmed to your VIN. Simply install it and you’re done. No extra fees or appointments needed.
- โ Resolve Common Shifting Issues: Puts an end to harsh shifting, slipping between gears, and delayed engagement by restoring precise electronic control over your transmission.
- โ Clear Annoying Warning Lights: Directly addresses the root cause of transmission-related DTCs like P0700, P0750, and various solenoid fault codes.
- โ Restore Factory Performance: Manages shift points, line pressure, and torque converter lockup for smoother operation and improved fuel efficiency.
- โ OEM-Standard Reliability: Built to meet or exceed original equipment specifications and backed by a one-year warranty for your peace of mind.
Plug-and-Play Installation: No Dealer Visit Required
Installing your new TCM is a straightforward job that most DIY mechanics can handle in their own driveway in about 30 minutes. For the 2007-2013 GMC Sierra 1500, the module is conveniently located in the engine bay, right next to the battery.
- Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts and to help reset the vehicle’s electronic systems.
- Locate the Old TCM: Find the module mounted next to the battery. It will have several large electrical connectors attached to it.
- Disconnect and Remove: Carefully unplug the wiring harnesses. They have locking tabs that may need to be pressed or lifted. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed TCM into place and securely reconnect the wiring harnesses. Ensure they click into place.
- Final Steps: Reconnect the battery terminal. While the system often resets on its own, it’s best practice to use a basic OBD2 scan tool to clear any stored fault codes from the vehicle’s memory. Start the truck and enjoy smooth shifting!
This is the Correct Part for Your 2007-2013 Sierra 1500 Transmission Control Module
This module, also identified by part numbers 24235340, 24252114, 24234503, 24242391, and others, is the correct fit for a wide range of GM vehicles equipped with 4-speed automatic transmissions like the 4L60E, 4L65E, and 4L70E. Don’t let a faulty computer sideline your truck. Order today and restore the dependable performance you rely on.