Restore Your GM Truck’s Power and Reliability
Is your Sierra, Silverado, or Tahoe running rough, shifting erratically, or showing a persistent check engine light? A failing Powertrain Control Module (PCM), also known as an Engine Control Module (ECM), is often the culprit behind these frustrating and performance-robbing issues. Don’t let a faulty computer keep your truck or SUV sidelined. This direct-fit replacement module is the definitive solution to get your vehicle running like it should, programmed specifically for your vehicle before it ever leaves our facility.
Common Symptoms & Your Direct-Fit Solution
If you’re experiencing any of the following, a failing PCM could be to blame:
- Persistent Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0606
- Rough or inconsistent idling
- Poor fuel economy
- Engine stalling or hesitation
- Harsh or failed transmission shifting
- Complete no-start condition
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and expense out of the repair by pre-programming this unit with the latest GM software updates using your vehicle’s unique VIN. This means you can avoid a costly trip to the dealership for programming. Installing our Programmed 12602802 PCM is the most efficient way to restore your vehicle’s factory performance and clear those stubborn error codes for good.
Features & Tangible Benefits
- ✔ VIN-Specific Programming: We flash the module to your exact VIN, ensuring it communicates perfectly with your vehicle’s systems for a true plug-and-play installation.
- ✔ Latest GM Software: Your PCM arrives with the newest factory updates, which can improve fuel efficiency, emissions, and overall engine performance.
- ✔ Direct OEM Replacement: Engineered to meet or exceed original equipment specifications, guaranteeing a perfect fit and seamless integration for the models listed below.
- ✔ Cost-Effective Repair: Skip the expensive dealership programming fees. This all-in-one solution saves you both time and money.
- ✔ Rigorously Inspected: Each module undergoes a thorough inspection and testing process to ensure it’s ready for reliable, long-term service in your hardworking truck or SUV.
- ✔ Backed by our one-year replacement warranty.
A Technician’s Note: From over 20 years in the shop, I’ve seen countless issues caused by improperly matched modules. A generic ‘one-size-fits-all’ computer can create more problems than it solves. That’s why we insist on programming every single Programmed 12602802 PCM to your specific VIN. It’s not just about clearing a code; it’s about restoring the precise factory logic your vehicle’s complex systems need to operate in perfect harmony. This is the difference between a temporary patch and a lasting repair.
Take control of your repair and get your vehicle back on the road with confidence. By providing your VIN at checkout, you ensure that the Programmed 12602802 PCM you receive is perfectly matched to your vehicle, making installation straightforward and effective.
Frequently Asked Questions
How do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will program the module before shipping it to you.
Is any additional programming required after I install it?
No. This module is pre-flashed to your VIN and arrives ready for installation. In most cases, you will only need to perform a simple security relearn procedure (often called a VATS relearn), which takes about 30 minutes and involves a series of key cycles. Instructions are readily available online for this process.
What if my original part number is different from 12602802?
This module is a direct replacement for several service numbers. Please check the compatibility list on this page, which includes numbers like 89017750, 12582605, and 12589463. As long as your vehicle and original service number are listed, this part will be a correct fit.
Will this fix my specific problem?
This PCM is a solution for a confirmed faulty module. While it resolves the common symptoms listed above, it’s crucial that your vehicle has been properly diagnosed. We recommend confirming the PCM is the point of failure before ordering to ensure this part will complete your repair.
Where is this part located on my vehicle?
On most compatible GM trucks and SUVs like the Sierra, Silverado, and Tahoe, the ECM is located in the engine bay, on the driver’s side, under or next to the battery tray.