Is Your 2004-2007 GM Hybrid Truck Acting Up? The PCM Might Be the Culprit.
The Powertrain Control Module (PCM) is the electronic brain of your 2004-2007 GMC Sierra or Chevrolet Silverado 1500 Hybrid. It manages everything from fuel injection and ignition timing to transmission shift points and the complex operations of the hybrid system. When this critical component begins to fail, it can cause a cascade of confusing and frustrating problems, leaving you with an unreliable vehicle. Symptoms can range from a simple check engine light to severe drivability issues that sideline your truck completely.
This replacement Powertrain Control Module, part number 19117215, is the definitive solution for restoring your truck’s performance and reliability. Unlike generic modules that require expensive dealer programming, this unit is meticulously programmed to your truck’s specific Vehicle Identification Number (VIN) before it ever leaves our facility. This ensures it has the latest software updates from General Motors and is ready for a straightforward, plug-and-play installation.
We had a 2006 Silverado Hybrid come in that was giving the owner fits. The truck would randomly refuse to start, the transmission would shift harshly, and the ‘Service Hybrid System’ light was on intermittently. The owner had already replaced the battery and checked all the main hybrid components with no luck. After hooking up our diagnostic tools, we noticed erratic data coming from the PCM. It wasn’t communicating properly with the other modules. We installed a VIN-programmed PCM, performed the necessary security relearn, and the truck came back to life. All the strange electrical gremlins were gone. It’s a perfect example of how a failing PCM can mimic a dozen other problems in these specific hybrid models.
Common Symptoms of a Failing Hybrid PCM
- ✔ Check Engine Light (CEL) is illuminated with various trouble codes.
- ✔ ‘Service Hybrid System’ or other warning messages on the dash.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Engine stalling, stumbling, or misfiring.
- ✔ No-start or intermittent starting conditions.
- ✔ Poor fuel economy and reduced engine power.
- ✔ Failure of the hybrid system to engage or disengage properly.
- ✔ Communication errors with diagnostic scan tools.
Why Choose Our Pre-Programmed Sierra 1500 Hybrid PCM?
Getting your truck back on the road shouldn’t be a complicated ordeal. Our process is designed for the DIY mechanic and professional technician alike. By programming the module to your VIN, we eliminate the most difficult step of the replacement process. This module arrives at your door ready to be installed, saving you from towing fees and costly dealership labor charges for programming. This is the most efficient way to replace a faulty Sierra 1500 Hybrid PCM and ensure your vehicle operates exactly as the manufacturer intended, with all the latest software enhancements from GM.
Guaranteed Fitment and Compatibility
This electronic control module is a direct replacement for vehicles equipped with the hybrid option (RPO code HP2). Please verify that your vehicle matches the fitment details below. This unit is compatible with service numbers 12583560, 19117215, and YBYZ.
- GMC SIERRA 1500 PICKUP (2004-2006): Electronic Control Module; (LH front under battery), w/hybrid option (opt HP2), below PCM cover
- GMC SIERRA 1500 PICKUP (2007): Electronic Control Module; classic style (creased door skin), (LH front under battery), w/hybrid option (opt HP2), below PCM cover
- CHEVROLET SILVERADO 1500 PICKUP (2004-2006): Electronic Control Module; (LH front under battery), w/hybrid option (opt HP2), below PCM cover
- CHEVROLET SILVERADO 1500 PICKUP (2007): Electronic Control Module; classic style (creased door skin), (LH front under battery), w/hybrid option (opt HP2), below PCM cover
Don’t let a faulty computer keep your powerful and efficient hybrid truck parked. Ordering a pre-programmed Sierra 1500 Hybrid PCM is the smartest, most direct path to a lasting repair.
Frequently Asked Questions
Do I need to do any programming after I receive this module?
No. We program the module with the latest GM software using the VIN you provide. It arrives ready for installation. You may need to perform a simple security relearn procedure (often called a CASE relearn or anti-theft relearn), which can typically be done without special tools and instructions can be easily found online for your specific model.
How do I provide my VIN?
After you complete your purchase, you will receive an email with instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive and validate your VIN.
Where is the PCM located on my 2005 Sierra 1500 Hybrid?
On these models, the PCM is located on the driver’s side (LH) in the front of the engine bay, underneath the battery and battery tray.
Will this work on my non-hybrid truck?
No, this specific module and its programming are exclusively for trucks with the hybrid option (RPO code HP2). Installing this on a non-hybrid vehicle will not work.
What service numbers does this part replace?
This module is a direct replacement for units with service numbers 12583560, 19117215, and YBYZ. You can find this number on the sticker of your original module.