Is your 2004 Cadillac Escalade ESV experiencing perplexing issues like stalling, erratic shifting, or a persistent check engine light? A failing Powertrain Control Module (PCM) is often the culprit, leaving you frustrated and questioning your vehicle’s reliability. This isn’t just an inconvenience; it’s a disruption to your daily life. We offer the definitive solution: a professionally programmed PCM, tailored specifically to your vehicle, designed to restore its performance and your peace of mind.
Common Symptoms & Your Solution
A faulty engine computer can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, our Programmed 2004 Escalade ESV PCM is the answer:
- Engine stalling or refusing to start
- Poor fuel economy and reduced engine power
- Harsh or unpredictable automatic transmission shifting
- Illuminated Check Engine Light with communication error codes (e.g., P0601, P0606)
- Instrument cluster warning lights behaving erratically
This unit is a direct replacement for service number 12586242 and is meticulously programmed using your vehicle’s unique VIN. This ensures all factory settings, security information (anti-theft), and specific options for your Escalade are correctly configured, making installation straightforward.
Features & Benefits
- ✔ VIN-Programmed for You: Arrives ready to install, programmed specifically for your 2004 Escalade ESV. No expensive trip to the dealer is required for programming.
- ✔ Updated GM Software: We flash the module with the latest General Motors software updates, ensuring optimal performance, fuel efficiency, and emissions control.
- ✔ Broad Compatibility: A direct-fit solution for service numbers 12586242, 19299226, 89017738, YFKD, YFKF, YFKH, YFKJ, YFKX, YFXL, YFXM, YFXN, YFXP, and YHTN.
- ✔ Restores Peak Performance: By correcting control signals, this PCM resolves complex drivability issues, giving you back the smooth, powerful, and reliable driving experience you expect.
- ✔ Guaranteed Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In vehicles like your 2004 Escalade, the PCM is more than just an engine controller; it’s the central command center. It communicates with the transmission, anti-lock brakes, body control module, and even the anti-theft system. Simply swapping a used computer from another vehicle will not work—the anti-theft system will prevent the engine from starting. Our VIN-specific programming process correctly syncs this module to your vehicle’s entire network, ensuring every system works in harmony, just as the factory intended. This is the key to a successful and lasting repair.
Frequently Asked Questions
Do I need to do any additional programming after I receive it?
No. This PCM comes fully programmed to your vehicle’s VIN. In most cases, it is a simple plug-and-play installation. However, some vehicles may require a security relearn procedure, which is a simple process that can be done without any special tools. We include instructions for this procedure.
How do I provide my Vehicle Identification Number (VIN)?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically find your VIN 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.
Is this the correct part for my vehicle?
This PCM is a direct replacement for OEM service number 12586242 and many others listed in the description. Please check the service number on your current computer to confirm a match. If you are unsure, please contact us with your VIN, and we will be happy to verify fitment for you.
Will this fix my check engine light?
If the check engine light is caused by a faulty PCM (e.g., internal processor error codes like P0601), this replacement will resolve the issue. However, if the light is on due to a different failing component (like an oxygen sensor or ignition coil), you will still need to repair that underlying issue.
What if I have an issue after installation?
We are here to help. This unit is backed by our one-year replacement warranty. If you encounter any problems or have questions during installation, please contact our support team for expert assistance.