Restore Peak Performance to Your 2002 Trailblazer, Envoy, or Bravada
Is your 2002 Trailblazer suffering from perplexing issues like stalling, erratic shifting, a persistent check engine light, or a no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. Don’t let a faulty computer keep your reliable SUV off the road. This is your direct, plug-and-play solution to restore your vehicle’s performance, reliability, and drivability.
Common Symptoms & Your Solution
A failing PCM can cause a cascade of frustrating problems. If you’re experiencing any of the following, this module is the definitive fix:
- Check Engine Light (CEL): Especially for communication codes or internal module errors (e.g., P0601, P0606).
- Engine Stalling: Unexpected stalling at idle or while driving.
- Poor Fuel Economy: A sudden, unexplained drop in your MPG.
- Rough Idle or Misfires: Shaking or stumbling, especially when stopped.
- No-Start Condition: The engine cranks but refuses to start.
- Failed Emissions Test: Inability to pass smog due to module-related faults.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We take a genuine GM module compatible with your vehicle and program it with the very latest official software updates from General Motors. By flashing it specifically to your vehicle’s unique VIN, we ensure it communicates perfectly with your engine, transmission, and all other systems right out of the box. This professionally programmed 2002 Trailblazer PCM 16255240 eliminates the need for an expensive trip to the dealership for programming.
Features & Benefits
- โ VIN-Programmed for You: Arrives ready for installation, flashed specifically to your vehicle for seamless integration. No extra programming needed.
- โ Latest GM Software: We load the most current GM calibration, ensuring optimal engine performance, fuel efficiency, and emissions control.
- โ Direct-Fit Replacement: Guaranteed compatibility with part numbers 19210066, 12571178, 12576463, 16255240, DLDA, YBLR, YBRY, and YBZP.
- โ Solves Running Issues: Corrects common faults like stalling, rough idle, and false check engine lights caused by a failing ECU.
- โ Plug & Play Installation: Simply disconnect the battery, swap the modules, and reconnect. A straightforward job for any DIY mechanic.
- โ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The GMT360 Platform’s Brain
As a technician, I’ve seen countless GMT360 platform vehicles (Trailblazer, Envoy, etc.) with hard-to-diagnose issues that trace back to the PCM. The 4.2L Vortec engine is robust, but it’s highly dependent on precise computer control. Incorrect programming can affect everything from the transmission shift points to the A/C compressor clutch engagement. Using a properly VIN-matched module with updated software, like this 2002 Trailblazer PCM 16255240, isn’t just about fixing a single problemโit’s about restoring the entire integrated system to factory-spec operation, ensuring all components work in harmony as the engineers intended.
Frequently Asked Questions
Do I need to do any programming after I receive it?
No. This PCM comes fully programmed to the VIN you provide. The only thing you may need to perform after installation is a security relearn procedure, which is a simple process that can be done without any special tools. We include instructions for this.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically find this on your vehicle’s dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fit other part numbers?
Yes, this computer is a direct replacement for a range of part numbers, including 19210066, 12571178, 12576463, and the service numbers DLDA, YBLR, YBRY, and YBZP. As long as your vehicle is a 2002 Trailblazer, Envoy, or Bravada, this programmed 2002 Trailblazer PCM 16255240 is the correct fit.
Is this a brand new part?
This is a high-quality, genuine OEM component that has been professionally tested and programmed to ensure it meets or exceeds original factory specifications. It provides the same reliability and performance as a new-from-dealer part.
What does the warranty cover?
This unit is backed by our one-year replacement warranty. This covers any issues related to the proper function of the module itself. In the unlikely event of a failure within one year, we will provide a replacement unit.