Restore Your Minivan’s Performance and Reliability
If your 2006 Chevrolet Uplander is experiencing frustrating issues like stalling, a persistent check engine light, or a complete no-start condition, a failing Engine Control Module (ECM) is often the culprit. As the central computer of your vehicle, the ECM governs everything from fuel injection and ignition timing to transmission shifting. When it fails, it can cause a cascade of problems that leave you stranded. This isn’t just an inconvenience; it’s a critical component for your van’s operation and safety.
This replacement ECM is the definitive solution. We take the guesswork and extra cost out of the repair by programming the module specifically for your vehicle using your VIN. This means it arrives at your door with the latest GM software updates already installed, ready for a straightforward installation. You get a reliable part that restores factory performance without the expensive trip to the dealership for programming.
A Technician’s Notebook: The Intermittent Stall Case
I remember a 2006 Uplander that came into my shop with a problem that drove the owner crazy. It would run fine for days, then suddenly stall at a stoplight and refuse to restart for 10-15 minutes. There were no consistent trouble codes, just a history of random communication errors. We checked fuel pressure, ignition components, and wiring harnesses—all were fine. Experience pointed to the ECM. On these modules, internal solder joints can develop micro-fractures from years of heat cycles, causing intermittent connection loss. We swapped in a VIN-programmed module like this one, and the problem was solved instantly. It’s a classic failure mode that a simple code reader won’t always pinpoint.
Is Your Uplander Showing These Signs of ECM Failure?
A faulty engine computer can manifest in numerous ways. Here are some of the most common symptoms I’ve seen in my 20+ years of diagnostic work:
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- ✔ Engine cranks but will not start.
- ✔ Intermittent stalling, especially when the engine is warm.
- ✔ Noticeable drop in fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Communication issues with diagnostic scan tools.
- ✔ Misfires or rough idling that can’t be traced to plugs or coils.
A Straightforward Guide to Installation
Replacing the ECM on your Uplander is a manageable job for a DIYer with basic tools. Our pre-programming service handles the most complex part for you. Follow these general steps to get back on the road:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system to fully discharge.
- Locate the ECM: On the 2006 Uplander, the Engine Control Module is typically found in the left-hand (driver’s side) of the engine compartment. It’s a silver metal box with several large electrical connectors.
- Disconnect the Connectors: Carefully release the locking tabs or levers on each electrical harness connector and pull them straight out from the module. Avoid forcing them.
- Remove the Old Module: Unbolt the mounting hardware that secures the old ECM to its bracket. Keep the bolts safe as you will reuse them.
- Install the New Module: Mount your new, VIN-programmed ECM in place and secure it with the original bolts.
- Reconnect Everything: Firmly plug the electrical connectors back into the new module until they click and lock into place. Reconnect the negative battery terminal.
- Perform Security Relearn: In most cases, you will need to perform a simple security relearn procedure (often called a ‘key-on/key-off’ cycle) to sync the new ECM with your vehicle’s anti-theft system. This procedure is easily found online or in your owner’s manual.
Verified Vehicle Compatibility
This ECM, part number 12630457, is a direct replacement for a wide range of GM vehicles. It is interchangeable with service numbers 12590032, 12602044, 12603530, 12605843, 12607096, and 19210737. Please verify your vehicle is on the list below to ensure proper fitment.
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 12607096 or 19210737
UPLANDER 09 Electronic Control Module; (LH engine compartment), (3.9L)
ACADIA 07-08 Electronic Control Module; (behind fan shroud)
ALLURE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L w/hybrid or 3.6L
CANYON 08 Electronic Control Module; (RH firewall)
… and many more GM, Isuzu, and Saab models as listed in the original data.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship the module until we receive this information, as the programming is essential for it to work in your van.
Is any additional programming required after installation?
No. The module arrives fully programmed to your VIN with the latest GM software. You will only need to perform a standard security relearn procedure, which takes about 10-30 minutes and requires no special tools.
Why is a VIN-programmed module better than one from a junkyard?
A junkyard module is programmed for a different vehicle and will not work correctly. It may have different software, incompatible options, and will not sync with your anti-theft system without costly dealer intervention. Our module is a guaranteed, plug-and-play solution.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the ECM (like codes P0601-P0606), then yes, this part will resolve the issue. It’s crucial to ensure the problem has been correctly diagnosed and is not caused by a faulty sensor or wiring elsewhere.