Restore Your Vehicle’s Core Performance and Reliability
If you’re dealing with frustrating and unpredictable engine problems in your 2006 Chevrolet Cobalt or another compatible GM vehicle, a failing Engine Control Module (ECM) is often the culprit. As the ‘brain’ of your engine, a faulty ECM can cause a cascade of issues, from a simple check engine light to a car that won’t start at all. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded. This replacement Engine Control Module, part number 19210737, is the definitive solution to get your vehicle running smoothly and dependably again.
What sets this module apart is our professional programming service. Before we ship it, we flash the unit with the latest official GM software updates, specifically matched to your vehicle using your VIN. This critical step ensures perfect communication between the ECM and all other vehicle systems, restoring factory performance, fuel efficiency, and emissions standards. You get a component that’s truly ready for installation, saving you the significant time and expense of a dealership programming appointment.
A Technician’s Notebook: The Intermittent Stall
I recently had a 2008 Chevy Impala in the shop that was a real head-scratcher. The owner reported random stalling at stoplights, but with no consistent Check Engine Light. When I’d scan it, I’d sometimes find a generic U0100 ‘Lost Communication with ECM’ code, but it would often clear itself. We checked grounds, wiring harnesses, and power feeds—all looked solid. After a week of intermittent testing, I suspected the ECM itself was failing internally, likely due to heat cycles causing a fracture on the circuit board. It was the only logical explanation for a problem that came and went. We installed a VIN-programmed ECM just like this one, performed the security relearn, and the problem was solved instantly. The customer called a month later to say the car had never run better. These intermittent faults are where a quality replacement ECM truly proves its worth.
Is Your Vehicle Showing These Symptoms?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indicator that your engine computer needs replacement:
- âś” Check Engine Light is on with codes like P0601, P0606, or other internal processor faults.
- âś” The engine cranks but refuses to start.
- âś” Unexplained stalling or rough idling, especially when warm.
- âś” A noticeable drop in fuel economy.
- âś” Poor engine performance, hesitation, or misfires.
- âś” Transmission shifting issues or warning lights.
- âś” Your scan tool cannot communicate with the ECM.
A Straightforward Guide to Installation
Installing your new ECM is a manageable job for a DIYer with basic tools. Following these steps ensures a smooth process. Note that a security relearn procedure is required after installation.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the ECM: On the 2006 Cobalt, the ECM is typically found in the left (driver’s side) front of the engine compartment. For other models, its location can vary (e.g., behind the fan shroud, on the firewall). Refer to the fitment list for common locations.
- Disconnect Connectors: Carefully unplug the electrical wiring harnesses from the old ECM. These connectors have locking tabs that need to be released. Do not force them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Bolt the new, pre-programmed ECM into place and securely reconnect the wiring harnesses. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Perform Security Relearn: This final, crucial step pairs the new ECM to your vehicle’s anti-theft system. The most common GM procedure is: Turn the key to ‘ON’ for 10 minutes, then ‘OFF’ for 10 seconds. Repeat this cycle 3 times. The vehicle should then start.
Verified Vehicle Compatibility
This module is a direct replacement for service number 19210737 and interchanges with 12590032, 12602044, 12603530, 12605843, 12607096, and 12630457. It fits a wide range of vehicles. Please verify your specific model and options below:
ALLURE 08-09 5.3L (lower air cleaner housing)
AURA 08-09 2.4L w/hybrid; 3.6L (RH firewall)
CANYON 08 (RH firewall)
COBALT 06 2.4L (VIN B, opt LE5)
COLORADO 08 (RH firewall)
CTS 06 V-Series, ID 12603530
DEVILLE 05 (LH engine compartment), ID 12590032
DTS 06, 08
ENCLAVE 08 (behind fan shroud), ID 12607096/19210737
ENVOY 07-08 5.3L; 08-09 4.2L (LH engine)
G6 06-09 3.6L; 09 ID 19210737 (LH front engine compartment)
GRAND PRIX 08 5.3L (lower air cleaner box)
HHR 06 2.4L (LH rear engine compartment)
HUMMER H3 08 (RH firewall)
IMPALA 06 3.5L/3.9L; 08-09 5.3L (lower air cleaner box)
ION 06 2.4L (opt LE5)
ISUZU ASCENDER 08 4.2L
ISUZU I-290/I-370 08 (RH firewall)
LACROSSE 08-09 5.3L (lower air cleaner housing)
LUCERNE 06, 08 4.6L (lower part of air cleaner box)
MALIBU 06 3.9L; 08-10 2.4L w/hybrid; 08-09 3.6L
MONTE CARLO 06 3.5L/3.9L (lower part of air cleaner box)
MONTANA 06 3.9L; 08-09 (LH engine compartment)
OUTLOOK 08 (behind fan shroud)
PURSUIT 06 2.4L (LH front engine compartment)
RAINIER 07 5.3L (LH engine)
RELAY 06 3.9L (LH engine compartment)
SAAB 9-7X 07 8-cyl; 08 5.3L/6.0L (LH engine)
SOLSTICE 06 (LH front frame rail)
SRX 08 4.6L (LH engine compartment)
STS 06 4.4L; 08 4.4L/4.6L (LH frame rail)
TERRAZA 06 3.9L (LH engine compartment)
TRAILBLAZER 07 5.3L/6.0L; 08-09 4.2L (LH engine)
UPLANDER 06, 08-09 3.9L (LH engine compartment)
VUE 08-09 2.4L (VIN Z); 08-10 3.6L
XLR 06, 09 4.4L; 08 (RH front engine compartment)
Do I need to program this 2006 Cobalt Engine Control Module?
Do I need to program this 2006 Cobalt Engine Control Module?
No. We handle the programming for you before shipment. Simply provide your vehicle’s 17-digit VIN during or after checkout, and we will flash the module with the latest GM software for your specific vehicle. This makes the installation process much simpler.
What is the security relearn procedure?
The security relearn syncs the new ECM with your car’s anti-theft system. For most GM vehicles, you just need to turn the ignition to the ‘ON’ position for 10 minutes, ‘OFF’ for 10 seconds, and repeat this two more times for a total of three cycles. After the third cycle, the car should start and run normally.
How do I find and provide my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a plate on the driver’s side of the dashboard, visible through the windshield. You can provide this number in the notes section at checkout or reply to your order confirmation email.
Will this ECM fix my specific problem?
This module is a direct fix for issues caused by a faulty ECM, such as internal processor errors (P0601), no-start conditions, and erratic behavior. While it resolves many common problems, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the source of your issue before ordering.