Restore Your GM’s Performance and Reliability
Is a faulty engine computer sidelining your truck or van, causing frustrating issues like a persistent check engine light, poor fuel economy, or even a no-start condition? Get your vehicle back on the road and running strong with this professionally programmed Powertrain Control Module (PCM). This isn’t just a replacement part; it’s a complete, ready-to-install solution designed to restore your vehicle’s factory performance and eliminate the guesswork.
Common Symptoms of a Failing PCM & Your Direct-Fit Solution
A failing PCM can manifest in numerous ways, often mimicking other sensor or component failures. If you’re experiencing any of the following, a faulty module could be the culprit:
- Persistent Check Engine Light (CEL) with various trouble codes
- Engine stalling, stumbling, or running rough
- Noticeable decrease in fuel mileage
- Transmission shifting problems or harsh shifts
- Failure to pass emissions testing
- Complete no-start or intermittent starting issues
This module is the definitive solution, arriving at your door specifically programmed for your vehicle. We use your Vehicle Identification Number (VIN) to flash the unit with the latest, most stable software updates from GM, ensuring your engine and transmission operate exactly as the manufacturer intended. By purchasing this programmed 12589462 PCM, you bypass expensive diagnostic fees and programming charges at the dealership.
Features & Benefits
- ✔ Plug & Play Installation: This module arrives flashed with the latest GM software for your specific VIN. No dealer visit is required for programming, saving you significant time and money.
- ✔ Optimized Performance: Programmed with the most current GM calibrations to ensure proper engine performance, fuel efficiency, and emissions control.
- ✔ Guaranteed Compatibility: A direct replacement for part numbers 12589462, 12602801, and 89017749, ensuring a perfect fit and function for a wide range of GM trucks, vans, and SUVs.
- ✔ Solves Common Issues: The number one fix for a host of mysterious electrical and performance problems that can keep your vehicle off the road.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
From the Mechanic’s Bench: The Importance of a VIN-Matched Program
As a technician, I’ve seen countless vehicle owners try to save a few dollars by grabbing a used computer from a salvage yard. The problem is, that computer is programmed for a different vehicle’s options, gear ratios, and security system. This almost always leads to more problems, a no-start condition due to security lock-out, and wasted time. Our process of programming this programmed 12589462 PCM to your exact VIN is what makes it a professional-grade repair. It ensures all systems communicate correctly from the moment you turn the key, giving you a reliable fix the first time.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically add it as a note during checkout or reply to your order confirmation email. We cannot ship your part until we receive this information.
Will this fix my check engine light?
If the check engine light is caused by a faulty PCM, this part will resolve the issue. It’s crucial to ensure you have properly diagnosed the problem, as the light can also be triggered by faulty sensors or other components. This programmed 12589462 PCM is designed to fix problems originating from the computer itself.
Do I need to do anything after installation?
While the main engine programming is complete, some GM vehicles require a simple “Security Relearn” or “CASE Relearn” procedure after installation. This can typically be done without special tools and involves a series of key cycles. Instructions are widely available online for your specific model, or your local mechanic can perform it quickly.
Is this a brand new part?
This is a quality-inspected, genuine GM component that has been expertly tested and prepared for service. It is programmed with the latest software and is ready to provide long-lasting, reliable performance.
What if my original part number is slightly different?
This module is a direct replacement for multiple part numbers, including 12589462, 12602801, and 89017749. As long as your vehicle is on the compatibility list, our VIN-specific programming ensures it will work correctly, even if your original part number doesn’t match exactly.