2009 Express 1500 Engine Computer 12625455 Programmed to Your VIN

Restore Your GM’s Performance & Reliability

Fix check engine lights, no-start issues, and poor running with this Engine Control Module. It arrives pre-programmed to your vehicle’s VIN with the latest GM software—no dealer visit needed! Compatible with part numbers 12625455 and 12629009. Get back on the road fast—order today!

$139.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-01527-10 Categories: ,
Guaranteed Safe Checkout

Is Your GM Truck, Van, or SUV Acting Up?

If you’re dealing with a persistent check engine light, erratic engine behavior, a no-start condition, or mysterious communication errors, the problem often points directly to a failing Engine Control Module (ECM). As the brain of your vehicle’s powertrain, a faulty ECM can cause a cascade of frustrating issues that are often misdiagnosed, leading to wasted time and money on unnecessary sensor replacements. This isn’t just an inconvenience; it’s a critical failure that compromises your vehicle’s performance, fuel economy, and reliability.

From the Shop Floor: A Real-World Scenario

“A customer’s 2009 Silverado 2500 with the 6.0L came in last month with a no-start condition after a heavy rain. The owner had already replaced the crank sensor and checked all the fuses, but nothing worked. We traced the wiring and found no issues. On a hunch, we inspected the ECM. Sure enough, the original unit had signs of water intrusion on the main connector, which had shorted out the injector driver circuits. After installing one of our pre-programmed ECMs and cleaning the connector pins, the truck fired right up and ran perfectly. It’s a common failure point I’ve seen dozens of times on these workhorse vehicles.”

The Direct Solution: A VIN-Programmed 2009 Express 1500 Engine Computer

Get your vehicle back to factory-spec performance with this professionally programmed Engine Control Module. We take all the guesswork and hassle out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the module with the latest, most stable GM-approved software specific to your vehicle. It arrives at your door ready for a straightforward installation, eliminating the need for an expensive trip to the dealership for programming.

  • VIN-Matched Programming: We load the correct GM software for your exact vehicle, ensuring perfect communication and function.
  • No Dealer Required: This module is pre-programmed before shipping, saving you hundreds in dealership fees and towing costs.
  • Restores Performance: Solves common failure symptoms like rough idle, poor fuel economy, stalling, and diagnostic trouble codes (DTCs).
  • Direct Replacement: Designed to interchange with part numbers 12625455 and 12629009 for a wide range of GM models.
  • Latest Software Updates: Benefit from the newest GM calibrations that address original factory bugs and improve drivability.

Plug-and-Play Installation: No Dealer Visit Required

Installing your new ECM is a job you can do in your own driveway. While the exact location varies by model (e.g., LH front engine bay for most trucks/SUVs, LH rear for Express/Savana vans), the process is generally the same:

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery.
  2. Locate the ECM: Find the old module in your engine compartment. It will have several large multi-pin electrical connectors.
  3. Disconnect: Carefully release the locking tabs on the electrical connectors and pull them straight out. Unbolt the module from its mounting bracket.
  4. Install the New Module: Bolt the new ECM into place. Firmly reconnect the electrical harnesses, ensuring the locking tabs click securely into place.
  5. Final Steps: Reconnect the negative battery terminal. In many cases, a security relearn procedure may be required, which typically involves cycling the key and can be done without special tools. Your vehicle is now ready to start.

Don’t let a faulty computer keep your vehicle off the road. Order this VIN-programmed engine computer today and restore the dependable performance you rely on.

Brand

GM

Condition

Refurbished

Year

2009

MPN

12625455

Model

express-1500

Hardware Type

Genuine OEM

Yes

Interchange part number

PartNumber

590

Manufacturer Part Number

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