2008-2009 Cadillac XLR Engine Control Module ECM 12630457 Programmed

Restore Your Cadillac’s Performance

Get your 2008-2009 XLR running like new with this pre-programmed Engine Control Module. We flash it to your car’s specific VIN for a simple, plug-and-play installation. Fix check engine lights, stalling, and poor performance today!

$118.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-08112-239 Categories: ,
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Is Your Cadillac XLR Running Rough?

If your 2008-2009 Cadillac XLR is experiencing frustrating issues like stalling, poor fuel economy, erratic shifting, or a persistent check engine light, a failing Engine Control Module (ECM) is often the culprit. The ECM is the central computer of your vehicle, managing everything from fuel injection and ignition timing to transmission operation. When it fails, the entire performance of your car can be compromised, leaving you with an unreliable and inefficient vehicle.

From the Diagnostic Bay

We once had a 2009 XLR come in with a mysterious intermittent stalling problem. The owner had already spent hundreds replacing the MAF sensor and spark plugs with no success. After hooking up our diagnostic tools, we noticed erratic data coming from the ECM. Instead of chasing more sensors, we focused on the core issue. A replacement, correctly programmed ECM like this one resolved all the issues instantly. It’s a reminder that sometimes the ‘brain’ is the problem, not the ‘senses’.

Your Direct-Fit 2008-2009 XLR Engine Control Module Solution

This is a direct replacement Engine Control Module for your 2008-2009 Cadillac XLR. We eliminate the guesswork and expensive trips to the dealership. Simply provide us with your vehicle’s VIN (Vehicle Identification Number) during checkout, and our technicians will program the module with the latest GM-certified software specifically for your car. This ensures that when the part arrives, it’s ready for installation, restoring your vehicle’s original performance, and communication with other onboard systems.

Common Symptoms of a Failing ECM

  • ✔ Persistent Check Engine Light (CEL) illumination
  • ✔ Engine stalling or misfiring unexpectedly
  • ✔ Noticeable decrease in fuel efficiency
  • ✔ Difficulty starting the engine or a no-start condition
  • ✔ Harsh or erratic automatic transmission shifting
  • ✔ Loss of power and poor acceleration
  • ✔ Communication errors with diagnostic scan tools

Why Choose a Pre-Programmed Module?

Getting a new ECM isn’t as simple as just swapping the part. An unprogrammed module will not work in your vehicle. It requires specialized tools and software to link it to your car’s specific VIN and security system. Our service handles this critical step for you. By programming the unit before it ships, we save you time, money, and the hassle of arranging for dealership programming. Your 2008-2009 XLR Engine Control Module will arrive ready to integrate into your vehicle’s system.

Compatible Service Numbers:

This module is a direct replacement for a wide range of GM vehicles and is interchangeable with the following service numbers: 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. Please check your original part to confirm one of these numbers is present.

Frequently Asked Questions

Do I need to get this module programmed?

No. We handle all the programming for you before shipment. Just provide your vehicle’s 17-digit VIN when you place your order, and the module will arrive with the correct software for your specific 2008-2009 XLR.

What is an ECM and what does it do?

The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), is your car’s main computer. It controls the engine’s fuel mixture, ignition timing, emissions systems, and works with the transmission controller to ensure smooth operation and peak efficiency.

Where is the VIN located on my vehicle?

You can typically find your VIN on a plate on the driver’s side dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.

Will this fix my check engine light?

If the check engine light is caused by a faulty ECM, this replacement part will solve the issue. However, it’s always recommended to have the codes read by a professional or with a code reader to ensure the ECM is the root cause of the problem.

Is any additional setup needed after I install it?

In many cases, the module is plug-and-play. However, some GM vehicles may require a simple security relearn procedure (often called a CASE relearn or anti-theft relearn) to sync the new ECM with your keys. This procedure can typically be done without special tools and instructions are widely available online.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

12630457

Interchange part number

PartNumber

590

Model

xlr

Year

2009

Brand

GM

Manufacturer Part Number

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Hardware Type

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