Restore Peak Performance to Your Vehicle’s Powertrain
Is your 2007 Saturn Aura or other GM vehicle suffering from frustrating issues like a persistent check engine light, poor fuel economy, stalling, or a complete no-start condition? The Engine Control Module (ECM) is the sophisticated brain of your vehicle’s powertrain, and when it fails, it can cause a cascade of performance problems. I’ve spent over two decades in the diagnostic bay, and I can tell you that a faulty ECM can mimic a dozen other issues, leading to wasted time and money on incorrect repairs. This replacement 2007 Aura Engine Control Module is the definitive solution, arriving at your door fully programmed to your vehicle’s specific VIN with the latest GM software updates.
A Technician’s Notebook
I remember a 2007 Chevy Impala that came into the shop with a ghost of a problem. It would randomly refuse to start, but only after it was warm. There were no consistent trouble codes, just a generic U0100 ‘Lost Communication with ECM’ that would pop up now and then. The owner had already replaced the battery and checked the fuel pump. After hours of tracing wires, we tested the ECM’s internal circuits and found an intermittent failure on the main processor that only occurred at a specific temperature. Swapping in a pre-programmed module like this one solved the issue in 15 minutes. It’s a prime example of how a failing computer can create the most elusive and frustrating symptoms.
Is Your Vehicle Showing These Symptoms?
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Unexplained drop in fuel mileage.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Complete no-start or difficult starting conditions.
- ✔ Transmission shifting issues or harsh gear changes.
- ✔ Communication error codes, such as U0100.
- ✔ Internal module failure codes, including the common P0601, P0602, or P0606.
A Straightforward Guide to Installation
One of the biggest advantages of this module is that the complex programming is already done for you. Installation is a direct replacement, making it a manageable job for a DIY enthusiast or a quick swap for a professional mechanic. For the 2007 Saturn Aura, the ECM is located on the right-hand (passenger side) firewall.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to discharge completely.
- Locate the ECM: On the Aura 3.5L, you’ll find it mounted to the firewall in the engine compartment. On other GM models, it may be under the battery tray or in the air cleaner box.
- Disconnect Connectors: Carefully release the locking tabs on the electrical harness connectors and pull them straight out from the module. Never force them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Secure your new, pre-programmed ECM in place and firmly reconnect the electrical harnesses. You should hear or feel a click as they lock.
- Reconnect Battery: Reattach the negative battery terminal. The vehicle is now ready to start. No dealership visit or special tools are required for programming.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738. It is guaranteed to fit the following vehicles with the specified options. Please verify your vehicle is on this list before ordering.
AVALANCHE 1500 07 Electronic Control Module; (LH front under battery)
CORVETTE 06-07 Electronic Control Module; (RH engine compartment)
EQUINOX 07 Electronic Control Module; (LH engine compartment)
ESCALADE 07 Electronic Control Module; (LH front under battery)
ESCALADE ESV 07 Electronic Control Module; (LH front under battery)
ESCALADE EXT 07 Electronic Control Module; (LH front under battery)
G6 07 Electronic Control Module; (LH front engine compartment), 3.5L or 3.9L
G8 08 Electronic Control Module; 6.0L
HUMMER H2 07 Electronic Control Module; (LH front under battery), engine control
IMPALA 07 Electronic Control Module; (lower part of air cleaner box), 3.5L or 3.9L
MALIBU 07 Electronic Control Module; 3.5L or 3.9L
MONTE CARLO 07 Electronic Control Module; (lower part of air cleaner box), 3.5L or 3.9L
SIERRA 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/o 4.3L
SIERRA 2500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
SIERRA 3500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
SIERRA DENALI 07 Electronic Control Module; new style (smooth door skin), (LH front engine compartment)
SILVERADO 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/o 4.3L
SILVERADO 2500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), 6.0L
SILVERADO 3500 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)
SUBURBAN 2500 07 Electronic Control Module; (LH front under battery)
TAHOE 07 Electronic Control Module; (LH front under battery)
TORRENT 07 Electronic Control Module; (LH engine compartment)
YUKON 07 Electronic Control Module; (LH front under battery)
YUKON XL 1500 07 Electronic Control Module; (LH front under battery)
YUKON XL 2500 07 Electronic Control Module; (LH front under battery)
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the exact factory calibration file for your specific vehicle. We program the module with this data and the latest GM software updates, ensuring perfect compatibility with your engine, transmission, and options.
Is this part truly plug-and-play?
Yes. Because we handle all the programming before shipping, you will not need to take your vehicle to a dealer or mechanic for additional programming. Once installed, it’s ready to go.
Will this fix my specific problem?
This module will resolve issues directly caused by a failing ECM. If you’re experiencing symptoms like a no-start condition, communication errors, or internal processor fault codes (P0601), this is very likely the solution. Proper diagnosis is always recommended.
What tools are needed for the installation?
For most applications, you will only need basic hand tools, such as a socket set and ratchet, to remove the mounting bolts and disconnect the battery. No special electronic equipment is required.
What if my part number isn’t an exact match to 19210738?
This module is a direct replacement for several part numbers, including 12589297, 12597121, and 12603892. As long as your original part number is on this list and your vehicle is listed in our compatibility chart, this module will work correctly.