Restore Peak Performance to Your Saturn ION
Is your 2006 Saturn ION giving you headaches with a persistent Check Engine Light, rough idling, or frustrating no-start conditions? You’re not alone. The Engine Control Module (ECM) is the brain of your vehicle, managing everything from fuel mixture and ignition timing to transmission shifts. When it starts to fail, it can cause a wide range of confusing and performance-robbing issues. This replacement 2006 ION Engine Control Module is the reliable, straightforward solution to get your car back on the road and running like it should.
Forget the expensive trip to the dealership and the hassle of coordinating programming. We handle the critical part for you. Simply provide your vehicle’s VIN (Vehicle Identification Number) during checkout, and our expert technicians will flash this module with the latest, most stable GM factory software specific to your car. This ensures perfect communication between the ECM and all other vehicle systems, restoring lost power, fuel efficiency, and smooth operation right out of the box.
A Technician’s Notebook: The Intermittent Stall
I remember a 2006 Cobalt with the 2.4L engine—a close cousin to the ION—that came into my bay with a maddeningly intermittent stalling problem. No codes at first, just a car that would die at stoplights without warning. The owner had already replaced the battery and alternator. After extensive testing, we found that the ECM’s internal voltage regulator was failing under heat soak. Swapping in a properly programmed ECM, just like this one, solved the issue instantly. It’s a classic failure mode for these units, and a new module is often the only permanent fix.
Is Your Vehicle Showing These Symptoms?
- ✔ Check Engine Light is illuminated with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- ✔ Engine cranks but refuses to start.
- ✔ Unexplained drops in fuel economy.
- ✔ Rough or erratic engine idling.
- ✔ Hesitation or stumbling during acceleration.
- ✔ Automatic transmission shifting harshly or at the wrong times.
- ✔ Loss of communication codes (U-series codes).
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- ✔ Locate the ECM: On the 2006 Saturn ION, the ECM is typically found in the left-hand (driver’s side) front of the engine compartment.
- ✔ Disconnect Connectors: Carefully release the locking tabs and unplug the wiring harness connectors from the old module. Inspect them for any corrosion or damage.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware as you may need to reuse it.
- ✔ Install the New Module: Mount your new, pre-programmed 2006 ION Engine Control Module in place and secure it with the original hardware.
- ✔ Reconnect and Secure: Plug the wiring harnesses back into the new ECM, ensuring they click securely into place. Reconnect the negative battery terminal.
- ✔ Final Step: Depending on your specific vehicle, a security relearn procedure may be necessary. This can often be done by turning the key to the ‘ON’ position for 10-15 minutes. Consult your owner’s manual for specific instructions.
Verified Vehicle Compatibility
This ECM is a direct replacement for part number 12630457 and is interchangeable with service numbers 12590032, 12602044, 12603530, 12605843, 12607096, and 19210737. It fits a wide array of GM vehicles, including the 2006 ION Engine Control Module for models with the 2.4L engine (option LE5). Please verify your specific model and options from the list below to ensure proper fitment.
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
PURSUIT 06 Electronic Control Module; (LH front engine compartment), 2.4L
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
… and many other GM, Saab, and Isuzu models as listed in the original data.
Frequently Asked Questions
Why do you need my VIN?
Your VIN is essential for us to load the exact, correct GM-certified software for your vehicle’s specific options and configuration. This ensures seamless integration and prevents compatibility issues.
Is any additional programming required after I install it?
No! This module arrives pre-programmed and ready for installation. In some cases, a simple security or anti-theft relearn procedure, which you can do yourself, may be needed.
Will this fix my car’s specific problem?
This ECM will correct issues directly caused by a faulty module. If you are experiencing symptoms like a no-start condition, erratic behavior, or specific internal processor fault codes (like P0601), this part is very likely the solution. Proper diagnosis is always recommended.
Where is the part number on my old ECM?
The service number is typically printed on a sticker on the case of your original Engine Control Module. You can match it to 12630457 or any of the interchangeable numbers listed.