Restore Your Vehicle’s Performance and Reliability
Is your 2006 Saturn Relay or another GM vehicle acting up? Experiencing frustrating issues like random stalling, a persistent check engine light, rough idling, or poor fuel economy? These are classic signs that the brain of your engine, the Engine Control Module (ECM), is failing. As a technician with over 20 years of experience, I’ve seen firsthand how a faulty ECM can cause a cascade of problems that are often misdiagnosed. This isn’t just a part; it’s the central command center for your engine’s performance, and when it falters, your vehicle’s reliability is compromised.
This isn’t just any replacement part. This is a complete solution. We provide a high-quality ECM, part number 19210737, that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN). This critical step ensures seamless communication between the module and all other systems in your vehicle. We flash it with the very latest software updates from GM, which often include vital improvements to fuel efficiency, emissions control, and transmission shifting logic that your original module may be missing. By ordering from us, you bypass the expensive and time-consuming trip to the dealership for programming.
A Technician’s Notebook: The Minivan That Wouldn’t Cooperate
I remember a 2006 Saturn Relay that came into the shop a few years back. The owner was at his wit’s end. He’d already replaced the fuel pump and a couple of sensors trying to chase down an intermittent stalling problem that never threw a specific code. The van would run fine for days, then suddenly die at a stoplight. After checking all the wiring and grounds, we hooked up a scope to the main processor feed on the ECM. We found the voltage was erratically dropping internally under load. A new, properly programmed 2006 Saturn Relay ECM solved the problem instantly. It’s a reminder that sometimes the issue lies with the component that controls everything else.
Common Signs of a Failing ECM
- ✔ Check Engine Light is illuminated, often with codes like P0601, P0602, P0606, or U0100.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained drops in fuel economy.
- ✔ Intermittent stalling or rough running conditions.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Failure to pass state emissions testing.
- ✔ Communication errors with diagnostic scan tools.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electronic component replacement.
- ✔ Locate the ECM: On the 2006 Saturn Relay, the ECM is typically found in the LH (driver’s side) engine compartment. Its exact position can vary on other models, so consult a service manual if you’re unsure.
- ✔ Disconnect and Remove: Carefully unplug the wiring harness connectors. They have locking tabs that must be released. Once disconnected, unbolt the module from its mounting bracket and remove it.
- ✔ Install the New Module: Seat the new, pre-programmed ECM onto the mounting bracket and secure it with the bolts. Reconnect the wiring harnesses, ensuring they click securely into place.
- ✔ Reconnect Battery: Reattach the negative battery terminal.
- ✔ Perform Key Cycle: Turn the ignition to the ‘ON’ position (without starting the engine) for 10-15 seconds, then turn it ‘OFF’ for 10-15 seconds. Repeat this process 2-3 times to allow the vehicle’s systems to recognize the new ECM. In some cases, a security relearn procedure may be necessary, which can typically be done without special tools.
Verified Vehicle Compatibility
This ECM is a direct replacement for service numbers 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. It is confirmed to fit a wide range of GM, Isuzu, and Saab vehicles. Please verify your model and options below to ensure a perfect match.
How does the VIN programming process work?
How does the VIN programming process work?
It’s simple. After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians will then use this VIN to load the exact, correct GM-certified software for your vehicle’s specific configuration onto the module before we ship it to you.
Is this module difficult to install for a DIYer?
How does the VIN programming process work?
It’s simple. After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians will then use this VIN to load the exact, correct GM-certified software for your vehicle’s specific configuration onto the module before we ship it to you.
Will this fix my check engine light?
How does the VIN programming process work?
It’s simple. After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians will then use this VIN to load the exact, correct GM-certified software for your vehicle’s specific configuration onto the module before we ship it to you.
What if my original part number is slightly different but my vehicle is on the list?
How does the VIN programming process work?
It’s simple. After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians will then use this VIN to load the exact, correct GM-certified software for your vehicle’s specific configuration onto the module before we ship it to you.