Restore Peak Performance to Your GM Vehicle
Is your 2007 Chevrolet Monte Carlo or other compatible GM vehicle suffering from frustrating, hard-to-diagnose issues? A persistent Check Engine Light, sudden stalling, rough idling, or a complete no-start condition can often be traced back to a single component: a failing Engine Control Module (ECM). As the central computer of your vehicle, a faulty ECM can disrupt everything from fuel delivery and ignition timing to transmission shifting. This isn’t just an inconvenience; it affects your car’s reliability, fuel economy, and safety.
We offer a dependable and straightforward solution. This is a high-quality replacement Engine Control Module, part number 19210738, that arrives at your door fully programmed to your specific vehicle. Using your Vehicle Identification Number (VIN), we flash the module with the very latest GM-authorized software updates. This process not only ensures a perfect match but can also resolve underlying drivability issues that were present even in the original factory programming. You get a solution that restores function and often improves it.
From the Diagnostic Bay: A Tricky Monte Carlo Fix
I remember a 2007 Monte Carlo 3.9L that came into my shop with a maddeningly intermittent no-start problem. The owner had been to two other places that couldn’t find the issue because, of course, it always started fine for them. When I connected my scan tool, I noticed a U0100 Lost Communication with ECM code stored. After verifying the power and ground circuits to the module were solid, I suspected an internal failure in the ECM itself. These modules, especially when exposed to heat cycles under the hood, can develop micro-fractures on the circuit board. We ordered one of these VIN-programmed modules, and the installation took less than 30 minutes. The car started perfectly every time afterward. The customer was thrilled to have a reliable car again without the massive dealership bill.
Is Your Vehicle Showing These Symptoms?
A failing ECM can cause a wide range of problems. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Check Engine Light (CEL) is illuminated
- ✔ Engine cranks but will not start
- ✔ Stalling, hesitation, or rough running conditions
- ✔ Noticeable decrease in fuel efficiency
- ✔ Failed emissions inspection
- ✔ Diagnostic trouble codes (DTCs) such as P0601, P0606 (Internal Control Module Processor Error), or U0100 (Lost Communication With ECM/PCM)
- ✔ Seemingly random electrical or transmission issues
A Straightforward Guide to Installation
For the 2007 Monte Carlo and Impala, the ECM is conveniently located in the lower part of the air cleaner box, making this a very manageable job for a DIY enthusiast. You don’t need specialized tools to get this done.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Access the Module: Open the hood and locate the engine air cleaner assembly. Unclip and remove the top cover of the air filter box.
- Remove the Air Filter: Lift the engine air filter out to expose the ECM sitting in the bottom of the housing.
- Disconnect Connectors: Carefully unlatch and disconnect the electrical connectors from the ECM. These connectors have locking levers; be gentle to avoid breaking them.
- Remove the Old ECM: The module is typically held in place by clips or small bolts. Remove them and lift the old ECM out of the vehicle.
- Install the New ECM: Place your new, pre-programmed module into the housing and secure it. Reconnect the electrical connectors, ensuring they click securely into place.
- Reassemble: Reinstall the air filter and the air cleaner box lid. Reconnect the negative battery terminal.
- Final Step: In many cases, you may need to perform a simple security relearn procedure. This can typically be done without a scan tool by cycling the key. (See our FAQ for more details).
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738. It is confirmed to fit the following vehicles with the specified options:
- Aura: 2007 (3.5L)
- Avalanche 1500: 2007
- Corvette: 2006-2007
- Equinox: 2007
- Escalade, Escalade ESV, Escalade EXT: 2007
- G6: 2007 (3.5L, 3.9L)
- G8: 2008 (6.0L)
- Hummer H2: 2007
- Impala: 2007 (3.5L, 3.9L)
- Malibu: 2007 (3.5L, 3.9L)
- Monte Carlo: 2007 (3.5L, 3.9L)
- Sierra 1500/2500/3500 Pickup (New Style): 2007
- Sierra Denali (New Style): 2007
- Silverado 1500/2500/3500 Pickup (New Style): 2007
- Suburban 1500/2500: 2007
- Tahoe: 2007
- Torrent: 2007
- Yukon, Yukon XL 1500/2500: 2007
Do I need to program this 2007 Monte Carlo ECM?
Do I need to program this 2007 Monte Carlo ECM?
No! That’s the best part. We handle all the programming for you before we ship the module. Just provide your vehicle’s VIN at checkout, and it will arrive ready to install with the latest GM software.
What is a VIN and where do I find it?
The VIN (Vehicle Identification Number) is your car’s unique 17-digit serial number. You can find it on a small plate on the driver’s side of the dashboard (viewable through the windshield), on your vehicle’s registration, or on your insurance card.
Will this fix my check engine light?
If the check engine light is caused by an internal ECM failure (like codes P0601-P0606) or a related communication error, then yes, this module is the correct fix. It’s always best to have the codes read to confirm the diagnosis before ordering.
Do I need to perform a security relearn procedure?
Yes, most GM vehicles of this era require a simple security relearn to sync the new ECM with the anti-theft system. This procedure typically involves turning the key to the ‘ON’ position for 10-12 minutes, then ‘OFF’ for 30 seconds, and repeating this cycle three times. It does not require any special tools.
Is this a new or used part?
This is a quality-tested, recycled OEM part that has been inspected and prepared for service. We then program it with new, updated software specific to your vehicle’s VIN, ensuring it functions correctly and reliably.