Restore Your GM’s Performance and Reliability
Is your 2007 GMC Yukon XL 2500, or another compatible GM vehicle, suddenly giving you headaches? If you’re dealing with a frustrating check engine light, stalling, rough idling, or a no-start condition, the problem often points directly to a failing Engine Control Module (ECM). As the ‘brain’ of your vehicle’s engine, a faulty ECM can cause a cascade of baffling issues, from poor fuel economy to erratic transmission shifting. I’ve seen it countless times in my 20+ years in the shop—a perfectly good engine acting up simply because its central computer is on the fritz.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and high dealership costs out of the equation. When you purchase this module, we will program it specifically to your vehicle using your VIN. This ensures that it arrives with the latest GM software updates, tailored perfectly to your engine, transmission, and options. You get a reliable fix that restores factory performance without the need for an expensive trip to the dealer for programming.
Case Study: A Tricky Diagnosis
A customer brought in a 2007 Silverado 1500 with a complaint that stumped two other shops. The truck would randomly lose power and the gauges would flicker, but it never stored a consistent trouble code. Sometimes it would throw a U0100 (Lost Communication with ECM), other times nothing at all. After checking all the power and ground circuits to the module, we suspected an internal ECM failure. We installed one of our VIN-programmed modules, and the customer called a week later saying his truck had never run better. The intermittent internal short in his old ECM was causing network communication drops that were nearly impossible to trace without simply substituting a known-good part.
Is Your Truck Showing These Symptoms?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is the likely solution.
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- âś” The engine cranks but refuses to start.
- âś” Unexplained drops in fuel efficiency.
- âś” The engine stalls intermittently, especially when warm.
- âś” Rough or unstable idle.
- âś” Noticeable loss of power and poor acceleration.
- âś” Automatic transmission shifts harshly or at the wrong times.
A Straightforward Guide to Installation
Installing your new 2007 Yukon XL 2500 Engine Control Module is a job most DIYers can handle. The key is taking your time and being methodical. For most trucks and SUVs on the fitment list, the ECM is located under the battery on the driver’s side.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- Access the Module: You will likely need to remove the battery and the battery tray to gain clear access to the old ECM.
- Disconnect the Harnesses: Carefully unplug the electrical connectors from the old module. These connectors have locking tabs; be gentle to avoid breaking them. Note their orientation.
- Remove the Old ECM: Unbolt the old module from its mounting bracket.
- Install the New ECM: Mount your new, pre-programmed module in place and securely fasten it.
- Reconnect Everything: Plug the electrical harnesses back into the new ECM. Reinstall the battery tray and the battery, then reconnect the negative battery terminal.
- Final Steps: In some cases, a security relearn procedure may be necessary. This can typically be done without special tools by cycling the key. Your vehicle’s service manual will have the specific steps. Once complete, start the engine and enjoy your smooth-running vehicle!
Verified Vehicle Compatibility
This module, part number 19210738, is a direct replacement for several original part numbers including 12589297, 12597121, and 12603892. It is guaranteed to fit the following vehicles. Please provide your VIN upon purchase to ensure we program the correct software for your specific model and options.
ESCALADE & ESV & EXT 2007 (LH front under battery)
Chevrolet:
AVALANCHE 1500 2007 (LH front under battery)
CORVETTE 2006-2007 (RH engine compartment)
EQUINOX 2007 (LH engine compartment)
IMPALA 2007 (3.5L & 3.9L, lower part of air cleaner box)
MALIBU 2007 (3.5L & 3.9L)
MONTE CARLO 2007 (3.5L & 3.9L, lower part of air cleaner box)
SILVERADO 1500 PICKUP 2007 (New Style, w/o 4.3L, LH front under battery)
SILVERADO 2500/3500 PICKUP 2007 (New Style, 6.0L, LH front under battery)
SUBURBAN 1500/2500 2007 (LH front under battery)
TAHOE 2007 (LH front under battery)
GMC:
SIERRA 1500 PICKUP 2007 (New Style, w/o 4.3L, LH front under battery)
SIERRA 2500/3500 PICKUP 2007 (New Style, 6.0L, LH front under battery)
SIERRA DENALI 2007 (New Style, LH front engine compartment)
YUKON & YUKON XL 1500 2007 (LH front under battery)
YUKON XL 2500 2007 (LH front under battery)
Hummer:
HUMMER H2 2007 (LH front under battery)
Pontiac:
G6 2007 (3.5L & 3.9L, LH front engine compartment)
G8 2008 (6.0L)
TORRENT 2007 (LH engine compartment)
Saturn:
AURA 2007 (3.5L, RH firewall)
Choosing this pre-programmed 2007 Yukon XL 2500 Engine Control Module is the smartest way to get your vehicle back to factory specifications quickly and affordably.
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the exact factory software for your specific vehicle. This includes information about the engine, transmission, emissions, and other installed options. Programming the ECM with this data ensures perfect compatibility and performance, eliminating the need for a dealer visit.
Is this a simple plug-and-play installation?
Yes, for the vast majority of vehicles. Because the module arrives programmed to your VIN, you can simply install it. In some rare cases, a security relearn or crankshaft position sensor relearn may be required, which can often be done without special scan tools.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the ECM (common codes P0601, P0606), then yes, this part will resolve the issue. It’s always best to have the codes scanned to confirm the diagnosis before ordering.
Is this a new or used part?
This is a high-quality, inspected, and tested component that has been professionally prepared and programmed with the latest software for your vehicle, ensuring reliable operation.
Where is the ECM located on my 2007 Yukon XL 2500?
On the 2007 Yukon XL 2500, as with most GM trucks and SUVs from this era, the Engine Control Module is located on the driver’s side of the engine compartment, underneath the battery and battery tray.