If you’re dealing with frustrating engine problems in your 2008 Buick Enclave, you’ve come to the right place. As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Engine Control Module (ECM) can turn a reliable vehicle into a source of constant headaches. From a persistent Check Engine Light to erratic performance and even no-start situations, a faulty ECM is often the hidden culprit. This isn’t just an inconvenience; it affects your vehicle’s safety, fuel economy, and overall health.
We’re offering a dependable, direct-replacement solution: a high-quality Engine Control Module, part number 19210737. The best part? We take the guesswork and extra cost out of the equation. Before this module ever leaves our facility, we program it specifically to your vehicle’s Vehicle Identification Number (VIN). This means it arrives ready to install, loaded with the latest GM software updates, ensuring seamless communication with your Enclave’s other systems. You get a reliable fix that restores factory performance without the need for an expensive trip to the dealership for programming.
Case Study: A Tricky Diagnosis
I remember a 2008 Enclave that came into the shop with a complaint of intermittent stalling at stoplights and occasional hard starting. The owner had already replaced the battery and spark plugs with no success. There were no consistent trouble codes, just a generic U0100 ‘Lost Communication with ECM’ that would pop up now and then. After checking all the power and ground connections to the module, we suspected the ECM itself was failing internally, likely due to heat cycles from its location behind the fan shroud. Swapping in a pre-programmed module like this one solved the problem instantly. It’s a classic example of how electronic failures can mimic mechanical issues.
Is Your Vehicle Showing These Symptoms?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need. This is a common failure point I’ve diagnosed on hundreds of GM vehicles.
- ✔ Persistent Check Engine Light (CEL)
- ✔ Engine stalling or misfiring
- ✔ Poor or erratic automatic transmission shifting
- ✔ Vehicle won’t start, but the battery and starter are good
- ✔ Noticeable drop in fuel economy
- ✔ Trouble codes stored in memory, such as P0601, P0606, or U0100
- ✔ Failure to pass emissions testing
A Straightforward Guide to Installation
Installing your new 2008 Enclave Engine Module is a job most DIYers can handle with basic tools. Since we program it beforehand, you can skip the expensive scan tools and dealer appointments.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the ECM: On the 2008 Enclave, the Engine Control Module is typically located behind the radiator fan shroud. You may need to remove the shroud for access.
- Disconnect the Old Module: Carefully unplug the wiring harness connectors from the old ECM. There are usually locking tabs that need to be released.
- Swap the Modules: Unbolt the old module from its mounting bracket and set it aside. Mount your new, pre-programmed ECM in its place.
- Reconnect and Secure: Plug the wiring harnesses firmly into the new module until they click into place. Reinstall any components you removed for access.
- Final Step: Reconnect the negative battery terminal. The vehicle may need to go through a brief idle relearn procedure, but no further programming is required.
Verified Vehicle Compatibility
This ECM, service number 19210737, is a direct replacement for a wide range of GM vehicles and interchanges with part numbers 12590032, 12602044, 12603530, 12605843, 12607096, and 12630457. Please verify your specific model and options below to ensure proper fitment.
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, 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, 08-09 Electronic Control Module; (lower part of air cleaner box)
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 06-10 Electronic Control Module
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box)
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)
UPLANDER 06, 08-09 Electronic Control Module; (LH engine compartment)
VUE 08-10 Electronic Control Module
XLR 06, 08-09 Electronic Control Module; (RH front engine compartment)
Frequently Asked Questions
Do I need to get this programmed by a dealer?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN during checkout, and it will arrive ready for installation with the latest GM software.
How do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on the driver’s side of the dashboard, visible through the windshield.
Is this a simple plug-and-play installation?
Yes, for the most part. Once you swap the hardware, the electronic side is plug-and-play. No further programming is required. Depending on your vehicle, you may need to perform a simple idle relearn or security relearn procedure, which can be found online or in a service manual.
What if my original part number is different?
This module, 19210737, is an interchangeable part for several other service numbers, including 12590032, 12607096, and others listed in the description. As long as your vehicle is on our compatibility list, this module will function correctly.