Restore Peak Performance to Your GM Truck or SUV
Is your 2007 Yukon XL 2500 suffering from a persistent Check Engine Light, erratic stalling, or a frustrating no-start condition? These are classic signs of a failing Engine Control Module (ECM), the central computer that manages your vehicle’s performance. A faulty ECM can cripple your engine’s efficiency and reliability, leaving you stranded. This isn’t just an inconvenience; it’s a critical component failure that needs a dependable solution. For over 20 years, I’ve seen countless drivers spend a fortune at dealerships for this exact issue. This pre-programmed ECM is the smart, effective alternative.
We take the guesswork and high cost out of the repair. This module, part number 12589297, arrives at your door programmed with the latest GM software updates, tailored specifically to your vehicle’s VIN. This means no expensive trips to the dealer for flashing—it’s ready for installation right out of the box. By replacing your faulty unit with this reliable 2007 Yukon XL 2500 ECM, you’re not just fixing a problem; you’re restoring the precise fuel delivery, ignition timing, and transmission shifting your vehicle was designed for.
From the Diagnostic Bay: The Intermittent Stall Case
A customer brought in his ’07 Sierra 2500—a truck that shares its platform with the Yukon—with a problem that was driving him crazy. It would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for 10-15 minutes. There were no consistent codes, just a history of a random P0606 (ECM Processor Fault) that would clear itself. After checking all the usual suspects like fuel pressure and grounds, we focused on the ECM. Heat soak was causing an internal failure. Instead of a costly, time-consuming dealer replacement, we ordered a pre-programmed module. The swap took less than an hour, and the truck has run flawlessly ever since. This is the exact solution we offer you—a proven fix for frustrating electronic issues.
Is Your Vehicle Showing These Signs of ECM Failure?
- âś” Persistent Check Engine Light (CEL)
- âś” Engine stalling or misfiring for no apparent reason
- âś” Complete no-start condition where the engine cranks but won’t fire
- âś” Noticeable decrease in fuel economy
- âś” Poor or hesitant acceleration
- âś” Harsh or incorrect automatic transmission shifting
- âś” Communication error codes stored, such as U0100 (Lost Communication with ECM)
- âś” Internal module failure codes, like P0601, P0602, or P0606
A Straightforward Guide to Installation
- âś” Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10 minutes for the system to discharge.
- âś” Locate the ECM: On most compatible trucks and SUVs like the Yukon XL 2500, the ECM is located on the driver’s side, under the battery and mounted to the fender or a bracket. You may need to remove the battery and its tray for access.
- âś” Disconnect the Old Module: Carefully release the locking tabs on the electrical connectors and pull them straight out. Avoid pulling on the wires. Unbolt the old ECM from its mounting bracket.
- âś” Install the New Module: Bolt the new, pre-programmed 2007 Yukon XL 2500 ECM into place. Firmly reconnect the electrical harnesses, ensuring they click and lock securely.
- âś” Reconnect and Verify: Reinstall the battery tray and battery, then reconnect the negative terminal.
- âś” Security Relearn Procedure: In many cases, you may need to perform a simple security relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. This allows the new ECM to sync with your vehicle’s anti-theft system. Consult your owner’s manual for the specific procedure for your model.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738. It is guaranteed to fit and function correctly on the following GM models. Please provide your VIN upon purchase to ensure perfect programming for your specific vehicle.
- Aura 07 (3.5L)
- Avalanche 1500 07
- Corvette 06-07
- Equinox 07
- Escalade, ESV, EXT 07
- G6 07 (3.5L, 3.9L)
- G8 08 (6.0L)
- Hummer H2 07
- Impala 07 (3.5L, 3.9L)
- Malibu 07 (3.5L, 3.9L)
- Monte Carlo 07 (3.5L, 3.9L)
- Sierra 1500 & Denali 07 (New Style, exc. 4.3L)
- Sierra 2500/3500 07 (New Style, 6.0L)
- Silverado 1500 07 (New Style, exc. 4.3L)
- Silverado 2500/3500 07 (New Style, 6.0L)
- Suburban 1500/2500 07
- Tahoe 07
- Torrent 07
- Yukon & Yukon XL 1500 07
- Yukon XL 2500 07
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential. It allows us to load the exact, correct GM-certified software for your vehicle’s specific engine, transmission, and emissions options. This ensures your new 2007 Yukon XL 2500 ECM functions perfectly right out of the box.
Is this part difficult to install?
For someone with basic mechanical skills, this is a very manageable job. The main challenge is typically accessing the module’s location. Since we handle all the programming, the electronic side of the job is done for you. Just follow our installation guide and perform the security relearn.
Will I need any other programming after installation?
No. The module is fully programmed before shipping. The only potential step is the security relearn (also called a Passlock or Passkey relearn), which is a simple procedure you can do yourself with just the ignition key.
My original part number isn’t 12589297, but it’s on your compatible list. Will this work?
Yes. Manufacturers often consolidate part numbers over time. If your part number is listed as compatible (12597121, 12603892, 19210738), this module is the correct, updated replacement for your vehicle.