Restore Your Truck’s Brain and Get Back on the Road
Is your 2007 GMC Yukon giving you headaches? Unexplained stalling, a persistent Check Engine Light, or a complete no-start condition can bring your day to a grinding halt. As the central computer for your vehicle’s engine, a failing Engine Control Module (ECM) can cause a host of frustrating and difficult-to-diagnose issues. This isn’t just an inconvenience; it affects your vehicle’s performance, fuel economy, and overall reliability. This direct-replacement ECM is the definitive solution, arriving pre-programmed to your specific vehicle for a straightforward installation.
Case Study: The Ghost in the Machine
I remember a 2007 Suburban that came into my shop a few years back—same platform as your Yukon. The owner was at his wit’s end. It would randomly stall at traffic lights, then start right back up. He’d replaced the fuel pump and crank sensor, but the problem persisted. No hard codes, just a history of U0100 (Lost Communication with ECM). After verifying all power and ground circuits to the module were solid (a critical first step!), we connected a scope. We saw the 5-volt reference signal intermittently drop out, pointing directly to an internal ECM failure. Swapping in a properly programmed module like this one solved the problem for good. It’s often not the sensors, but the computer reading them that’s the issue.
Is Your Yukon Showing These Signs of ECM Failure?
A failing computer can manifest in many ways. If you’re experiencing any of the following, a faulty ECM could be the culprit. Look out for these common indicators:
- ✔ Check Engine Light is on with communication codes (like U0100) or internal processor codes (P0601, P0602, P0606).
- ✔ Engine cranks but refuses to start.
- ✔ Rough or unstable idling.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Intermittent stalling or hesitation during acceleration.
- ✔ Transmission shifting issues or failure to shift.
- ✔ Apparent loss of spark or fuel injector pulse.
A Straightforward Guide to Your ECM Installation
Installing your new 2007 Yukon Engine Control Module is a manageable job for a DIYer with basic tools. Because we program it to your VIN before shipping, you can avoid a costly trip to the dealership. Just follow these general steps:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes for all capacitors to discharge.
- Locate the ECM: On most 2007 GM trucks and SUVs like the Yukon, the ECM is located in the engine bay on the driver’s side, often under or next to the battery tray.
- Remove the Old Module: You may need to remove the battery and its tray to gain access. Carefully unplug the electrical connectors. Most have a locking tab or lever that needs to be released. Then, unbolt the module from its bracket.
- Install the New Module: Bolt the new ECM into place and securely reconnect the electrical harnesses. Ensure they click into place to confirm a solid connection.
- Reconnect Power: Reinstall the battery tray and battery, then reconnect the negative battery terminal.
- Perform Security Relearn: Even with programming, your vehicle’s anti-theft system may need to be relearned. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’ for 10 seconds, and repeating this cycle three times. Your vehicle should then start.
Verified Compatibility for Your GM Vehicle
This module is a direct replacement for part numbers 19210738, 12589297, 12597121, and 12603892. It is guaranteed to fit the following models, provided you supply your VIN for correct programming:
ESCALADE 07 (LH front under battery)
ESCALADE ESV 07 (LH front under battery)
ESCALADE EXT 07 (LH front under battery)
AVALANCHE 1500 07 (LH front under battery)
CORVETTE 06-07 (RH engine compartment)
EQUINOX 07 (LH engine compartment)
IMPALA 07 (3.5L & 3.9L, in air cleaner box)
MALIBU 07 (3.5L & 3.9L)
MONTE CARLO 07 (3.5L & 3.9L, in air cleaner box)
SILVERADO 1500 PICKUP 07 (New Style, w/o 4.3L)
SILVERADO 2500/3500 PICKUP 07 (New Style, 6.0L)
SUBURBAN 1500/2500 07 (LH front under battery)
TAHOE 07 (LH front under battery)
SIERRA 1500 PICKUP 07 (New Style, w/o 4.3L)
SIERRA 2500/3500 PICKUP 07 (New Style, 6.0L)
SIERRA DENALI 07 (New Style)
YUKON 07 (LH front under battery)
YUKON XL 1500/2500 07 (LH front under battery)
AURA 07 (3.5L, RH firewall)
G6 07 (3.5L & 3.9L, LH front engine compartment)
G8 08 (6.0L)
HUMMER H2 07 (LH front under battery)
TORRENT 07 (LH engine compartment)
Frequently Asked Questions
Frequently Asked Questions
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. We use this to load the latest GM-certified software specific to your vehicle’s options and configuration onto the module before we ship it.
Is this a simple plug-and-play installation?
Mostly, yes. The module is programmed to your VIN, which handles the complex part. However, you will likely need to perform a security relearn procedure (as described in the installation guide) to sync the new ECM with your vehicle’s anti-theft system.
Will this fix my vehicle’s specific problem?
This part corrects issues caused by a faulty ECM. While the symptoms listed are common indicators of ECM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the root cause before ordering.
Are any other part numbers compatible?
Yes, this module, part number 19210738, is a direct, interchangeable replacement for part numbers 12589297, 12597121, and 12603892.
Do I need to send my old module back?
No core charge is required for this part. You do not need to return your old, non-functional ECM.