Is Your 2004 Suburban 1500 Running Rough or Not Starting at All?
There’s nothing more frustrating than when your dependable family workhorse starts acting up. A faulty Powertrain Control Module (PCM), the brain of your vehicle, can cause a host of baffling issues, from a persistent check engine light to leaving you stranded. If you’re experiencing erratic engine behavior, poor fuel mileage, or transmission problems, you’ve found the reliable, straightforward solution to get your Suburban back in top form.
Common Symptoms & Your Solution
A failing PCM can manifest in many ways. You might be dealing with a no-start condition, stalling, a rough idle, or harsh shifting. Often, you’ll see diagnostic trouble codes (DTCs) like P0601, P0602, or P0606, indicating an internal module failure. This isn’t just an annoyance; it affects your vehicle’s safety, reliability, and emissions. Our expertly prepared Programmed 2004 Suburban 1500 PCM 12586242 is the definitive answer. We take the guesswork out of the repair by flashing the unit with the latest GM software updates, specifically matched to your vehicle’s unique VIN. This ensures that when the part arrives, it’s ready for a simple, direct installation.
Features & Benefits
- ✔ Plug-and-Play Installation: This unit arrives pre-programmed to your specific VIN. No expensive trips to the dealership for programming are required.
- ✔ Restored Engine Performance: With the latest GM software updates, you can expect a return to the smooth idle, crisp throttle response, and proper shifting you remember.
- ✔ Guaranteed Compatibility: This PCM is a direct replacement for service numbers 12586242, 19299226, 89017738, YFKD, YFKF, YFKH, YFKJ, YFKX, YFXL, YFXM, YFXN, YFXP, and YHTN.
- ✔ Solves Common Issues: The perfect fix for clearing persistent trouble codes, resolving no-start conditions, and eliminating poor running behavior caused by a faulty computer.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
A Veteran Technician’s Insight
“Over my 20 years in the bay, I’ve seen countless people try to save a buck by grabbing a used computer from a salvage yard for their GM truck. It almost never works. These vehicles use a sophisticated anti-theft system (VATS/Passlock) that’s tied to the original vehicle’s VIN. Without proper programming, the truck simply won’t start. Our process of programming the module to your VIN before shipping isn’t just a convenience—it’s the critical step that makes the repair possible for a DIYer or independent shop, saving you hundreds in dealer fees and diagnostic headaches.”
Don’t let a bad computer keep your truck off the road. This is your opportunity to restore the reliability and performance of your vehicle with a high-quality, professionally programmed engine computer. By ordering our Programmed 2004 Suburban 1500 PCM 12586242, you are choosing a hassle-free path to a lasting repair.
Frequently Asked Questions
What is a PCM and what does it do?
The Powertrain Control Module (PCM), also known as the Engine Control Module (ECM), is your vehicle’s main computer. It controls all essential engine and transmission functions, including fuel mixture, ignition timing, and shift points, to ensure optimal performance, fuel economy, and emissions.
Do I need to do any programming myself?
No. We handle all the programming for you. After you purchase, you’ll provide us with your vehicle’s VIN. We then flash the module with the correct, updated software from GM before it ships. It will be ready to install when it arrives.
Where is the PCM located on my 2004 Suburban 1500?
On most 2004 GM full-size trucks and SUVs like the Suburban, Tahoe, and Silverado, the PCM is located in the engine bay on the driver’s side, under the battery tray or near the fender.
How do I find my current part number?
The service number is printed on a white sticker on the top of your original PCM. It will typically be a long number like 12586242 or a four-letter code like YFXL. Matching one of the numbers in our listing ensures compatibility.
What happens after I place my order?
After you complete your purchase, we will need your vehicle’s 17-digit VIN to program the module. Once we have your VIN, we will program the computer and ship it out to you, typically within one business day.
Is a security relearn procedure required after installation?
In some cases, a simple 10-30 minute key-cycle security relearn procedure may be necessary for the vehicle to recognize the new module. This procedure does not require any special tools and instructions are readily available online or can be provided.