Are you experiencing frustrating electrical issues with your truck? Flickering lights, unresponsive power windows, a malfunctioning HVAC system, or a persistent airbag light are common signs of a failing Body Control Module (BCM). This vital component is the central hub for your vehicle’s body electronics. Restore full functionality and peace of mind with our VIN-programmed BCM, a direct-fit replacement for part number 22860591 in your 2011 GMC Sierra Denali 1500 and other compatible GM vehicles.
Common Symptoms of a Failing BCM
- ✔ Power windows, door locks, or mirrors stop working or operate intermittently.
- ✔ Interior or exterior lights fail to turn on or off correctly.
- ✔ The HVAC system is unresponsive, or the blower motor works sporadically.
- ✔ An airbag warning light is illuminated on the dash, often with DTC B1001.
- ✔ The vehicle’s security system acts up, preventing the engine from starting.
- ✔ Unexplained battery drain when the vehicle is off.
Solving Electrical Issues with a 2011 Sierra Denali BCM
Installing a new 2011 Sierra Denali BCM is the definitive solution to these widespread electronic problems. Our modules are meticulously prepared to integrate seamlessly with your truck. We pre-program each unit to your vehicle’s specific VIN, which means it arrives ready for a true plug-and-play installation. This eliminates the need for expensive and time-consuming programming at a dealership. This module is a direct replacement for a wide range of part numbers, including 25844480, 25835966, 20939137, and 22860591, ensuring broad compatibility across many GM trucks and SUVs from 2007-2013.
Installation and Post-Install Considerations
The BCM is located under the driver’s side dashboard. The physical swap is straightforward and typically takes only a few minutes with basic tools. Once installed, most functions will be immediately restored. However, please note the following:
- Airbag System Sync: If the airbag warning light remains on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ must be performed. This requires a professional-grade diagnostic tool and syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light and traction control operation.
- No Core Charge: We do not require you to return your old module. There is no core charge, saving you time and hassle.
Frequently Asked Questions
Will this BCM need to be programmed by a dealer?
No. This Body Control Module comes pre-programmed to your vehicle’s specific VIN. It is ready for installation right out of the box, with no dealership visit required.
Where is the BCM located on my 2011 Sierra Denali?
The BCM is typically located under the driver’s side of the dashboard, often near the steering column or integrated into the junction block.
What if my airbag light is still on after I install this part?
If the airbag light persists, it means the new BCM needs to be electronically synced with the vehicle’s Sensing and Diagnostic Module (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ function.
Is this a genuine GM part?
This is an OEM-quality part built to meet or exceed original factory specifications for performance and reliability. It is backed by our one-year warranty for your protection.
Do I need to return my old BCM?
No, there is no core charge or need to return your original part. You can keep it or dispose of it at your convenience.