Restore Your Truck’s Brainpower and Reliability
Is your 2007 Sierra 1500 Pickup running rough, stalling unexpectedly, or throwing a frustrating array of check engine lights? Before you start replacing sensors and chasing electrical gremlins, the problem might be the very core of your engine management system: the Engine Control Module (ECM). As a technician with over two decades of experience, I’ve seen firsthand how a failing ECM can cause symptoms that mimic a dozen other problems, leading to wasted time and money. This module is the central computer for your engine, controlling everything from fuel mixture and ignition timing to transmission shifting and emissions. When it fails, your truck’s performance and reliability suffer.
We solve this problem by providing a dependable, direct-replacement ECM, part number 19210738. The best part? We handle the complex programming for you. Simply provide your vehicle’s VIN during checkout, and our experts will flash the module with the latest GM-certified software specific to your truck. This means it arrives at your door ready for installation, saving you a costly trip to the dealership and eliminating the need for expensive scan tools for programming.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2007 Silverado (which uses the same platform as the Sierra) that came into my bay with a bizarre list of complaints. The owner reported random stalling at stoplights, poor fuel economy, and a check engine light that would come and go. His previous mechanic had replaced the throttle body and a couple of O2 sensors with no luck. When I hooked up my scanner, I saw a mix of communication codes (U-codes) and a history of a P0606 (ECM Processor Fault). This combination is a classic red flag. Instead of throwing more parts at it, we tested the ECM’s power and ground circuits—they were solid. The culprit was internal failure within the original module. Installing a pre-programmed ECM like this one resolved all the issues in a single afternoon. The customer was thrilled to have his reliable truck back without another week of guesswork.
Diagnosing a Faulty 2007 Sierra 1500 ECM
A failing engine computer can manifest in many ways, from subtle performance issues to a complete no-start condition. If your truck is experiencing any of the following, a faulty ECM could be the root cause. This module is a direct solution for these common problems and associated diagnostic trouble codes (DTCs).
- ✔ Unexplained check engine light with codes like P0601, P0602, P0606, or U0100.
- ✔ Engine stalling, sputtering, or misfiring for no apparent reason.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ The vehicle won’t start, and the starter won’t even crank (a communication issue).
- ✔ Loss of power and sluggish acceleration.
- ✔ Problems with other electronic systems, as the ECM communicates with them.
A Straightforward Guide to Installation
Installing your new ECM is a manageable job for a confident DIYer. Since we’ve pre-programmed it to your VIN, you can skip the most difficult step. For your 2007 Sierra 1500, the ECM is typically located in the engine compartment on the driver’s side, under the battery tray. Always consult a vehicle-specific repair manual if you are unsure.
- Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- Access the Module: You will likely need to remove the battery to access the ECM mounted below it. Note the location of all connectors and mounting bolts.
- Disconnect the Old ECM: Carefully unplug the electrical connectors. These connectors have locking tabs that must be released before pulling. Never force them. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New ECM: Mount your new, pre-programmed ECM in the same location and secure it with the original bolts. Reconnect the electrical harnesses, ensuring they click securely into place.
- Reassemble and Reconnect: Reinstall the battery and any other components you removed. Reconnect the negative battery terminal.
- Perform Security Relearn: You MUST perform a security relearn procedure (often called a Passlock or anti-theft relearn) to sync the new ECM with your truck’s keys. This procedure typically takes about 30 minutes and can be done without special tools. A common method is the “10-Minute Relearn,” which involves turning the key to ‘ON’ for 10 minutes, then ‘OFF’, and repeating two more times.
Verified Vehicle Compatibility
This Engine Control Module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738. It is guaranteed to fit a wide range of GM cars, trucks, and SUVs. Please verify your vehicle is on the list below. The location of the module may vary by model.
G8 08 Electronic Control Module; 6.0L
SUBURBAN 2500 07 Electronic Control Module; (LH front under battery)
AVALANCHE 1500 07 Electronic Control Module; (LH front under battery)
ESCALADE ESV 07 Electronic Control Module; (LH front under battery)
MALIBU 07 Electronic Control Module; 3.5L
HUMMER H2 07 Electronic Control Module; (LH front under battery), engine control
IMPALA 07 Electronic Control Module; (lower part of air cleaner box), 3.9L
MONTE CARLO 07 Electronic Control Module; (lower part of air cleaner box), 3.9L
SIERRA 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/o 4.3L
SIERRA 3500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
SILVERADO 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/o 4.3L
ESCALADE EXT 07 Electronic Control Module; (LH front under battery)
MONTE CARLO 07 Electronic Control Module; (lower part of air cleaner box), 3.5L
TORRENT 07 Electronic Control Module; (LH engine compartment)
YUKON XL 2500 07 Electronic Control Module; (LH front under battery)
MALIBU 07 Electronic Control Module; 3.9L
SILVERADO 2500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
TAHOE 07 Electronic Control Module; (LH front under battery)
SIERRA DENALI 07 Electronic Control Module; new style (smooth door skin), (LH front engine compartment)
SILVERADO 3500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
G6 07 Electronic Control Module; (LH front engine compartment), 3.9L
SIERRA 2500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
SUBURBAN 1500 07 Electronic Control Module; (LH front under battery)
CORVETTE 06-07 Electronic Control Module; (RH engine compartment)
IMPALA 07 Electronic Control Module; (lower part of air cleaner box), 3.5L
EQUINOX 07 Electronic Control Module; (LH engine compartment)
YUKON 07 Electronic Control Module; (LH front under battery)
AURA 07 Electronic Control Module; (RH firewall), 3.5L
YUKON XL 1500 07 Electronic Control Module; (LH front under battery)
G6 07 Electronic Control Module; (LH front engine compartment), 3.5L
Frequently Asked Questions
How do I provide my VIN?
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your module without it.
Is this a plug-and-play part?
Mostly, yes. We program the module to your VIN, which handles the most difficult part. However, you will still need to perform a simple, tool-free security relearn procedure after installation to sync the ECM with your vehicle’s anti-theft system.
Will this fix my specific check engine light codes?
This ECM is a common solution for internal processor and communication codes like P0601, P0606, and various U-codes. While it can resolve many issues, you should always ensure your vehicle’s wiring and sensors are in good condition. A proper diagnosis is key.
Do I need to send my old ECM (core) back?
No core charge or return is required for this part. You can keep or responsibly dispose of your old module.
What if my part number is slightly different?
This module replaces several GM part numbers, including 12589297, 12597121, and 12603892. As long as your original part number is on our compatibility list, this module will function correctly in your vehicle once programmed.