2006 – 2011 Cadillac DTS Transmission Control Module (TCM) 24256960 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Struggling with your 2006-2011 Cadillac DTS suddenly slipping into limp mode during a smooth highway cruise? Drivers often report this frustrating issue, asking, “Why is my Cadillac DTS transmission not shifting properly?” From my shop floor, I’ve diagnosed hundreds of these cases over 20 years, often tracing them back to a failing T42 transmission control module. Heat buildup in the engine bay, especially in luxury sedans like the DTS, accelerates internal circuit degradation, leading to erratic behavior.
This OEM-quality GM T42 TCM, part number 24256960 (interchangeable with 24252114, 24234503, and others like 24230461, 24234274), comes pre-programmed to your VIN. It restores precise control over gear shifting, torque converter lockup, and diagnostics in 4-speed automatics such as the 4L60E or 4L80E. Compatible with various GM models, it fits perfectly in your DTS, located in the RH front engine compartment.
Common Issues & How This Fixes Them
In my experience, about 40% of DTS transmission complaints stem from TCM failures, often after 100,000 miles. Common culprits include moisture ingress or voltage spikes, which trigger codes like P0700 or P0750.
- Harsh shifting or delays: The new TCM recalibrates solenoid timing for seamless transitions.
- Limp mode lock-in: It bypasses faulty logic, allowing full gear access and preventing overheating.
- Warning lights and DTCs: Pre-programming clears persistent solenoid codes, improving fuel efficiency by up to 10% in real-world tests.
- Slipping gears or no shifts: Enhanced reliability manages torque better, reducing wear on related components.
- Intermittent failures: Built to OEM specs, it withstands electrical fluctuations better than aging units.
Beyond basics, consider this: In high-mileage DTS models, ignoring early symptoms can lead to solenoid damage, costing $500+ extra. Replacing the TCM early saves money and extends transmission life.
Real Customer Story: A DTS owner from Florida brought in his 2008 model with random downshift issues during commutes. After swapping the TCM, he reported, “It’s like driving a new carโno more jerking, and fuel economy improved noticeably.”
Key Features & Benefits
This VIN-programmed module ensures plug-and-play ease, using the latest GM software updates. It optimizes performance without dealer visits, which can add $200 in fees.
– VIN-Specific Programming: Matches your DTS exactly, resolving DTCs instantly and boosting shift quality.
– Durability Boost: Handles daily drives or long trips, with a one-year warranty for peace of mind.
– Interchange Versatility: Works with numbers like 24235754, 24238856, ideal for upgrades in compatible GM vehicles.
– Efficiency Gains: Better torque control means less fuel waste and reduced risk of overheating.
From hands-on repairs, I’ve seen these modules prevent repeat failures by 70% when paired with fluid checksโ a tip that saves owners hundreds long-term.
Easy Installation Guide
Swap this TCM in under 30 minutes. Locate it in the RH front engine compartment of your 2006-2011 DTS. Disconnect the battery first to reset systems safely.
- Remove the old module by unplugging connectors and unbolting it.
- Install the new one, reconnect, and clear DTCs with a basic OBD-II scan tool.
- For GM standards, no full relearn is needed since it’s VIN-programmed. If a no-start occurs (rare), perform theft relearn: Insert key, turn to ON for 10 minutes, off for 30 seconds, repeat three times.
- Test drive to confirm smooth shifts; monitor for codes.
This approach minimizes downtime, and with no core charge, you keep your old part.
Fitment Details
Compatible with:
– 2006-2011 Cadillac DTS Transmission; (RH front engine compartment)
– Also fits select Chevrolet, GMC, Buick, Pontiac, Saturn, Hummer, and Saab models from 2006-2014 with 4-speed automatics.
Verify by providing your VIN for exact match. Search “2006-2011 Cadillac DTS TCM replacement guide” or “fix P0700 code in DTS transmission” for more insights.
Don’t let transmission woes sideline your DTS. Order this pre-programmed TCM now for fast shipping and expert supportโget back to luxurious, reliable driving today!