Restore Peak Performance to Your SAAB 9-5
Is your 2010-2011 SAAB 9-5 suffering from frustrating issues like a persistent Check Engine Light, rough idling, stalling, or poor fuel economy? These are classic signs of a failing Engine Control Module (ECM), the computer that serves as your vehicle’s brain. A faulty ECM can disrupt everything from fuel injection to transmission shifting, making your car unreliable and stressful to drive. This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and high dealership costs out of the equation by pre-programming this module specifically for your vehicle using your VIN. It arrives loaded with the latest GM software updates, ensuring optimal performance and communication with all other vehicle systems.
Case Study: A Tricky Diagnosis
I remember a 2012 Chevy Impala that came into my shop with a whole host of bizarre, intermittent electrical gremlins. The scanner was throwing communication codes (U0100) and a processor fault (P0606). The owner had already replaced the battery and alternator with no luck. After confirming power and ground to the ECM were solid, we suspected an internal module failure. The key to a successful repair wasn’t just swapping the part, but ensuring the replacement was programmed with the exact, VIN-specific software. We installed a pre-programmed module like this one, and it was like a new car—all codes cleared, and the engine ran perfectly. This is why VIN-specific programming is non-negotiable for a lasting fix.
Is Your Vehicle Showing These ECM Failure Signs?
- ✔ Persistent Check Engine Light that won’t clear.
- ✔ Engine stalling, stuttering, or misfiring for no apparent reason.
- ✔ A noticeable drop in fuel efficiency.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ The engine cranks but refuses to start.
- ✔ Common Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or U-series communication codes.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the ECM: On the SAAB 9-5 and many other compatible GM vehicles, the ECM is typically found in the engine compartment, often on the driver’s side (LH).
- ✔ Disconnect Connectors: Carefully unclip the wiring harness connectors from the old module. Be gentle, as these plastic clips can become brittle over time.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed ECM in place and secure the bolts.
- ✔ Reconnect Everything: Firmly plug the wiring harnesses back into the new module until they click. Reconnect the negative battery terminal.
- ✔ Final Step: Some vehicles may require a security or crankshaft position sensor relearn procedure, which can often be done with a capable bidirectional scan tool or by following a specific drive cycle.
Verified Vehicle Compatibility
This ECM is a direct replacement for part number 12637106 and is interchangeable with part numbers 12616889, 12630908, 12642665, 12650256, and 12651993. It is guaranteed to fit the following models (please verify your specific options):
- SAAB 9-5: 2010-2011 (2.0L)
- Buick Allure: 2010 (2.4L, 3.0L)
- Buick LaCrosse: 2010-2011 (2.4L, 3.0L)
- Buick Regal: 2011
- Cadillac CTS: 2010-2012 (3.0L, 3.6L)
- Cadillac SRX: 2010-2011 (3.0L)
- Chevrolet Camaro: 2012 (3.6L)
- Chevrolet Captiva Sport: 2012
- Chevrolet Equinox: 2010-2011
- Chevrolet Impala: 2012
- Chevrolet Orlando: 2012-2013
- GMC Terrain: 2010-2011
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. This Engine Control Module arrives at your door fully programmed with the latest GM software for your specific vehicle. All we need is your VIN during checkout.
How do I provide my VIN?
You can enter your 17-digit Vehicle Identification Number (VIN) during the checkout process or send it to us in a message after your purchase. We cannot ship the module until we have this information.
Is this a simple plug-and-play installation?
For most vehicles, yes. You disconnect the battery, swap the module, and reconnect the battery. In some cases, a simple security or sensor relearn procedure may be necessary, which is a standard final step for this type of repair.
What if I have a different part number on my old module?
This module is a direct replacement for several part numbers, including 12616889, 12630908, 12642665, 12650256, and 12651993. As long as your vehicle is on our compatibility list, this part will work perfectly.