Restore Peak Performance to Your 2012 Captiva Sport
Is your 2012 Chevrolet Captiva Sport running rough, stalling unexpectedly, or flashing a persistent check engine light? These are classic signs that the brain of your engine—the Engine Control Module (ECM)—is failing. In my 20+ years as a technician, I’ve seen how a faulty ECM can cause a cascade of frustrating issues, from poor fuel economy to a no-start condition. This isn’t just an inconvenience; it’s a reliability problem that needs a solid solution. This replacement ECM is your direct, dependable fix, arriving pre-programmed with the latest GM software specifically for your vehicle’s VIN.
Case Study: A Tricky Diagnosis
A customer brought in a 2012 Captiva Sport with a complaint that stumped two other shops: intermittent stalling at stoplights and a random loss of power on the highway, but with no consistent trouble codes. After checking fuel pressure and ignition components, everything seemed fine. On a hunch, I monitored the live data stream from the ECM and noticed the processor would occasionally drop sensor readings for a split second—just long enough to cause a hiccup but not always long enough to set a code. This is a tell-tale sign of internal ECM failure. We replaced the module with a VIN-programmed unit like this one, and the Captiva has been running flawlessly ever since. This simple swap saved the customer from needlessly replacing expensive sensors and parts.
Is Your Captiva Sport Showing These Signs?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need. Don’t let a bad computer keep your reliable SUV off the road.
- ✔ Check Engine Light is on with codes like P0601, P0606, or U0100
- ✔ Vehicle has trouble starting or won’t start at all
- ✔ Unexplained drop in fuel efficiency
- ✔ Rough idling or stalling
- ✔ Engine misfires or hesitation during acceleration
- ✔ Automatic transmission shifting erratically
Your Straightforward ECM Installation Guide
Installing your new 2012 Captiva Sport Engine Control Module is a manageable job for a confident DIYer. Our pre-programming service means you won’t need a trip to the dealer for expensive flashing. Follow these general steps to get back on the road.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the ECM: On the 2012 Captiva Sport, the ECM is typically found in the engine compartment on the driver’s side (LH side).
- Disconnect Connectors: Carefully unclip the wiring harness connectors from the old ECM. These connectors have locking tabs that need to be released before pulling. Avoid forcing them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new module.
- Install the New ECM: Mount your new, pre-programmed ECM onto the bracket and secure it with the bolts.
- Reconnect Everything: Firmly plug the wiring harnesses into the new module until they click into place. Reconnect the negative battery terminal.
- Perform Relearn (If Necessary): While not always required, some vehicles may need a security or crank-relearn procedure. In most cases, the vehicle will start and run correctly immediately.
Verified Compatibility for Your Vehicle
This ECM is a direct replacement for part number 12630908 and is also compatible with several other GM part numbers and vehicles. Please match your part number or vehicle from the list below to ensure a perfect fit. Providing your VIN at checkout guarantees we send you a module programmed specifically for your vehicle’s configuration.
Fits Models Including:
CAPTIVA SPORT 12 (LH engine compartment), ID 12630908 / 12650256 / 12642665 / 12637106 / 12616889
ALLURE 10 (LH engine compartment), 2.4L & 3.0L
CAMARO 12 (3.6L), ID 12642665 / 12637106 / 12650256
CTS 10-12 (3.0L & 3.6L), Various IDs
EQUINOX 10-11 (LH engine compartment)
IMPALA 12 (air cleaner bracket), Various IDs
LACROSSE 10-11 (LH engine compartment), 2.4L & 3.0L
ORLANDO 12-13 (LH engine compartment), Various IDs
REGAL 11 (LH engine compartment)
SAAB 9-5 10-11 (2.0L), ID 12642665
SRX 10-11 (LH engine compartment), 3.0L
TERRAIN 10-11 (LH engine compartment)
Do I need to do any programming myself?
Do I need to do any programming myself?
No. This is the biggest benefit of our service. We flash the 2012 Captiva Sport Engine Control Module with the latest GM software using the VIN you provide. It arrives ready to install, saving you a trip to the dealership and hundreds in programming fees.
Where do I find my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, your 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 most vehicles. Once you install the module and reconnect the battery, the car should start and run correctly. In a small number of cases, an additional anti-theft or crankshaft position sensor relearn procedure may be needed, which can be done with a capable scan tool.
How do I know if my old ECM is really the problem?
Common indicators include specific diagnostic codes (like P0601-P0606), a no-start condition where the engine cranks but won’t fire, and multiple unrelated sensor error codes appearing at once. If you’ve ruled out more common issues like batteries, alternators, and fuel pumps, the ECM is a strong possibility.