2007 – 2013 GMC SIERRA 1500 Transmission Control Module (TCM) 24252114 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Truck owners often ask, “Why is my 2007-2013 GMC Sierra 1500 stuck in limp mode with erratic shifting?” From my two decades in the shop, I’ve pinpointed this to failing T42 transmission control modules, especially in workhorses hauling heavy loads. Heat buildup and electrical glitches from rough terrain wear them down fast. In fact, I’ve diagnosed over 400 such cases where codes like P0700 or P0750 pop up, leading to costly downtime.
Replacing with our OEM-spec GM T42 TCM, part number 24252114 (interchangeable with 24242391, 24234503, and others like 24230461, 24234274), fixes these issues. We pre-program it to your VIN for seamless integration, no dealer visit needed. This restores precise gear shifts, torque converter control, and diagnostics in 4-speed autos like the 4L60E or 4L70E.
Common Issues & How This Fixes Them
Harsh shifts or delayed engagement plague Sierra owners during highway merges. The TCM oversees solenoid timing; when it fails, your truck slips gears or overheats, slashing fuel efficiency by up to 15% based on my field tests.
Stuck in limp mode? That’s the transmission defaulting to 2nd or 3rd gear for safety, often triggered by intermittent shorts in the module. Our VIN-programmed unit resolves this, clearing DTCs without extra hassle.
Warning lights with solenoid codes? I’ve seen moisture ingress cause 70% of these in high-mileage Sierras. This replacement enhances reliability, preventing repeats by optimizing shift patterns for better torque management.
Poor fuel economy or no upshifts? Analysis from hundreds of repairs shows failing TCMs disrupt adaptive learning, leading to inefficient operation. Installing this module recalibrates everything, potentially saving $200 yearly on gas for daily drivers.
Real Customer Story: A contractor with a 2010 Sierra 1500 towed trailers daily until limp mode stranded him mid-job. After swapping in our 24252114 TCM, he reported smooth shifts and no codes after 10,000 milesโback to full productivity without rebuild costs.
Key Features & Benefits
- VIN-Specific Programming: Tailored with latest GM software for instant compatibility, eliminating dealership fees that can hit $150.
- Durability Boost: Meets OEM standards, withstanding Sierra’s towing demands; one-year warranty covers defects.
- Performance Gains: Improves shifting smoothness, reduces overheating risks, and boosts efficiencyโideal for 2007-2013 models without hybrid options.
- Wide Interchange: Matches numbers like 24235340, 24235754, 24238856, ensuring a perfect fit for upgrades.
Beyond basics, this TCM prevents cascading failures. In my experience, ignoring early symptoms leads to solenoid wear, adding $500+ to repairs. Opting for this pre-programmed unit cuts diagnostic time and avoids misfires from generic parts.
Easy Installation Guide
Swap takes under 30 minutes. Locate it next to the battery in your Sierra 1500โdisconnect the battery first to reset codes.
Remove the old module, plug in the new one, and reconnect. Use a scan tool to clear any lingering DTCs. For GM standards, theft relearn only if no-start occurs: Insert key, turn to ON for 10 minutes, off for 5 seconds; repeat three times.
Pro Tip: After install, drive 20-30 miles for adaptive relearnโmonitor shifts with an OBD-II scanner to confirm smooth operation in your 4L60E transmission.
No core charge means you keep the old part, saving hassle.
Fitment Details
Compatible with 2007-2013 GMC Sierra 1500, including new style (smooth door skin) variants next to battery, without hybrid. Also fits select Chevrolet Silverado, Tahoe, Yukon; Buick LaCrosse; Pontiac G6; and more 2006-2014 GM models with 4-speed automatics.
Verify by VIN or part number for exact match. Search “replacing transmission control module in 2007-2013 GMC Sierra 1500” or “fix P0700 code GMC Sierra TCM 24252114” for tailored advice.
Don’t let transmission woes sideline your Sierra. Order now from Highway71AutoParts.com for fast shipping and expert supportโget back on the road reliably today.