2008 Escalade Engine Control Module 12612384 | Programmed to Your VIN

Restore Your Vehicle’s Brain and Get Back on the Road with Confidence

Is your 2008 Cadillac Escalade or another GM vehicle acting erratically? Experiencing frustrating issues like intermittent stalling, a persistent check engine light, or a complete no-start condition? As a technician with over two decades of diagnostic experience, I’ve seen these symptoms countless times. The culprit is often a failing Engine Control Module (ECM), the central computer that manages everything from fuel delivery and spark timing to transmission shifts. When it falters, your vehicle’s performance and reliability plummet.

This isn’t just a replacement part; it’s a complete, hassle-free solution. We are offering a high-quality replacement ECM, part number 12612384, that arrives at your door pre-programmed with the latest official GM software. All we need is your vehicle’s VIN. This critical step ensures the module communicates perfectly with your specific vehicle, eliminating the need for an expensive trip to the dealership for programming. You get a reliable part that’s ready for a straightforward installation, restoring the smooth operation and performance you expect from your vehicle.

Is Your Vehicle Showing These Signs of a Bad ECM?

• ✔ Check Engine Light is on with internal processor codes like P0601, P0606, or P060A.
• ✔ The engine cranks but refuses to start.
• ✔ Unexplained stalling or rough idling, especially when warm.
• ✔ Noticeable decrease in fuel economy and poor engine performance.
• ✔ The transmission shifts harshly or erratically.
• ✔ Communication errors with your scan tool (U-codes).
• ✔ Failure to pass an emissions inspection.

A Straightforward Guide to Installation

1. ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental reconnection.
2. ✔ Locate the ECM: On most compatible trucks and SUVs like the Escalade, Tahoe, or Sierra, the ECM is located under the hood on the driver’s side, often near or under the battery tray.
3. ✔ Disconnect the Connectors: Carefully release the locking tabs on the electrical wiring harnesses and gently pull them straight out from the module. Never force them.
4. ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new module.
5. ✔ Install the New ECM: Mount your new, pre-programmed module in place and securely tighten the bolts.
6. ✔ Reconnect Everything: Plug the wiring harnesses back into the new ECM until they click securely into place. Reconnect the negative battery terminal.
7. ✔ Perform a Relearn (If Necessary): While not always required, some vehicles may need a Crankshaft Position System Variation (CASE) relearn. This can often be done with a capable bidirectional scan tool or by a local shop.

Verified Vehicle Compatibility

This module is a direct replacement for part numbers 12612384, 12622141, and 12617568 and fits a wide range of GM vehicles. Please verify your part number and application below. This is a partial list of popular models: