Restore Your Minivan’s Reliability and Performance
If your 2006 Chevrolet Uplander is giving you headaches with a persistent check engine light, erratic performance, or worse, a no-start condition, the root cause is often a failing Engine Control Module (ECM). As a technician with over two decades of experience under the hood, I’ve seen firsthand how a faulty ECM can turn a reliable family vehicle into a source of constant stress. This isn’t just a part; it’s the brain of your engine, and when it falters, everything from fuel economy to transmission shifting can be affected. This replacement module is the definitive solution to get your Uplander running smoothly again.
What makes this part the smart choice is our professional VIN programming service. Before we ship it, we flash the module with the latest official GM software updates tailored specifically to your vehicle. This means you get a component that is truly plug-and-play, eliminating the costly and time-consuming trip to a dealership for programming. You’re not just buying a part; you’re buying a complete, hassle-free solution. A properly functioning 2006 Uplander Engine Module is critical for passing emissions tests and ensuring your engine operates at peak efficiency.
A Technician’s Notebook: The Intermittent Gremlin
I remember a 2006 Uplander that came into the shop with a frustratingly intermittent stalling problem. The owner had already replaced the fuel pump and crank sensor, but the issue persisted. There were no hard codes, just a history of communication loss faults (U-codes). After checking all the wiring and grounds, my experience pointed to the ECM itself. The internal processor was likely failing under heat soak. We installed one of our VIN-programmed modules, and the customer called back a week later, overjoyed. The stalling was gone, and the van ran better than it had in years. This is a classic example of how a failing 2006 Uplander Engine Module can mimic other component failures.
Is Your Uplander Showing These ECM Failure Signs?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer needs attention:
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained drop in fuel mileage.
- ✔ The vehicle stalls unexpectedly while driving or at idle.
- ✔ Rough or inconsistent engine idling.
- ✔ Automatic transmission shifts harshly or at the wrong times.
- ✔ Loss of communication with the scan tool.
A Straightforward Guide to Installation
Replacing the ECM on your Uplander is a manageable job for a DIYer with basic tools. Following these steps will ensure a smooth process.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes to allow capacitors to discharge.
- Locate the ECM: On the 2006 Uplander, the Engine Control Module is typically found in the engine compartment on the driver’s side, often near the air filter housing or firewall.
- Disconnect Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the module. Never force them. Inspect the pins for any corrosion.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new installation.
- Install the New Module: Mount your new, pre-programmed 2006 Uplander Engine Module in place and secure it with the original bolts.
- Reconnect Everything: Firmly plug the wiring harnesses back into the new ECM until they click into place. Reconnect the negative battery terminal.
- Perform Security Relearn (If Needed): In many cases, you may need to perform a simple key-cycle security relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating two more times. This allows the anti-theft system to recognize the new ECM.
Verified Compatibility for Your Vehicle
This ECM is a direct replacement for service number 12590032 and is interchangeable with part numbers 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. It fits a wide range of GM vehicles. Please verify your model and options below:
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 12607096
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 19210737
UPLANDER 09 Electronic Control Module; (LH engine compartment), (3.9L)
ACADIA 07-08 Electronic Control Module; (behind fan shroud), ID 12607096 (ECM)
ACADIA 08 Electronic Control Module; (behind fan shroud), ID 19210737 (PCM)
ALLURE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/hybrid
AURA 08-09 Electronic Control Module; (RH firewall), 3.6L
CANYON 08 Electronic Control Module; (RH firewall)
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
COLORADO 08 Electronic Control Module; (RH firewall)
CTS 06 Electronic Control Module; (RH engine compartment), V-Series, ID 12603530
DEVILLE 05 Electronic Control Module; (LH engine compartment), ID 12590032
DTS 06 Electronic Control Module
DTS 08 Electronic Control Module
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 19210737 or 12607096
ENVOY 07-08 Electronic Control Module; 5.3L (LH engine)
ENVOY 08-09 Electronic Control Module; 4.2L (LH engine)
G6 06-09 Electronic Control Module; (LH front engine compartment)
GRAND PRIX 08 Electronic Control Module; (lower air cleaner box), 5.3L
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
HUMMER H3 08 Electronic Control Module; (RH firewall)
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.5L or 3.9L
IMPALA 08-09 Electronic Control Module; (lower part of air cleaner box), 5.3L
ION 06 Electronic Control Module; 2.4L (opt LE5)
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine)
ISUZU I-290 08 Electronic Control Module; (RH firewall)
ISUZU I-370 08 Electronic Control Module; (RH firewall)
LACROSSE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
LUCERNE 06 & 08 Electronic Control Module; (lower part of air cleaner box), 4.6L
MALIBU 06 Electronic Control Module; 3.9L
MALIBU 08-10 Electronic Control Module; various engines
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.5L or 3.9L
MONTANA 06 & 08-09 Electronic Control Module; (LH engine compartment)
OUTLOOK 08 Electronic Control Module; (behind fan shroud)
PURSUIT 06 Electronic Control Module; (LH front engine compartment), 2.4L
RAINIER 07 Electronic Control Module; (LH engine), 5.3L
RELAY 06 Electronic Control Module; (LH engine compartment), 3.9L
SAAB 9-7X 07-08 Electronic Control Module; (LH engine)
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
SRX 08 Electronic Control Module; (LH engine compartment), (4.6L)
STS 06 & 08 Electronic Control Module; (LH frame rail)
TERRAZA 06 Electronic Control Module; (LH engine compartment), 3.9L
TRAILBLAZER 07-09 Electronic Control Module; (LH engine)
VUE 08-10 Electronic Control Module; various engines
XLR 06, 08-09 Electronic Control Module; (RH front engine compartment)
…and more. Please match your service number to ensure compatibility.
Frequently Asked Questions
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, providing your Vehicle Identification Number (VIN) is essential. We use it to program the module with the exact software and calibrations for your Uplander’s specific options, ensuring perfect compatibility and performance right out of the box.
Is this module difficult to install myself?
For most DIYers with basic mechanical skills, this is a straightforward job. It typically involves disconnecting the battery, unplugging a few connectors, and unbolting the old module. Our installation guide above provides the key steps.
What happens after I install the new ECM?
After installation, you will likely need to perform a simple security relearn procedure, which involves cycling the ignition key. This allows your vehicle’s anti-theft system to sync with the new module. No special tools are required for this step.
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), this part is the correct fix. However, you should always ensure that other potential issues (sensors, wiring) have been properly diagnosed and ruled out first.
Is this a new or used part?
This is a high-quality, tested replacement part that has been verified for full functionality. It is then programmed with fresh, VIN-specific GM software to ensure it performs reliably for years to come.