Restore Your Van’s Core Electronics with a Plug-and-Play Solution
Is your GMC Savana or Chevrolet Express van acting possessed? Flickering lights, intermittent power locks, a security light that won’t turn off, or even a no-start condition can all point to a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable issues. This isn’t just an inconvenience for a work van; it’s a reliability problem that costs you time and money. This replacement Body Control Module is your direct-fit, hassle-free solution, arriving pre-programmed to your van’s specific VIN.
Case Study: A Tricky Diagnosis
I remember a fleet customer with a 2011 Savana 3500 work van that was a diagnostic nightmare. The driver reported the dome lights would stay on, draining the battery overnight, but the issue was intermittent. We checked door switches and wiring for hours. Finally, after connecting a scope, we saw erratic voltage commands coming from the BCM. It was failing internally, but not setting any hard fault codes. We swapped in a pre-programmed BCM like this one, and the problem was solved in under 30 minutes. It saved the customer from another day of vehicle downtime and diagnostic labor charges.
Is Your GM Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. Over my 20+ years in the shop, these are the most common complaints that lead back to this crucial module. Look out for communication error codes like U0140, U0155, or other U-codes, which often indicate a network problem originating at the BCM.
- ✔ Power windows or locks working erratically or not at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ The security system light is illuminated, preventing the engine from starting.
- ✔ The horn honks randomly or doesn’t work.
- ✔ Wipers behaving unpredictably.
- ✔ False warnings appearing on the instrument cluster.
- ✔ Inability to communicate with the module using a scan tool.
Your Straightforward BCM Installation Guide
Replacing the 2008-2012 Savana 3500 BCM is a manageable job for a DIYer or a quick task for a professional mechanic. Since we program the module before shipping, you can skip the expensive trip to the dealership.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On most Savana and Express vans, the BCM is located in the center dash area, often accessible by removing lower dash panels. Consult a service manual for your specific model’s exact location.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in place of the old one. Securely reconnect all electrical connectors.
- Reconnect Battery & Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—lights, locks, windows, wipers, etc.—to ensure proper operation.
- Perform Relearns (If Needed): Depending on your vehicle, you may need to perform a Brake Pedal Position Relearn or an Airbag System Sync if warning lights appear. This typically requires a professional-grade scan tool.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of General Motors vehicles. We program it specifically for your VIN, ensuring it works seamlessly with your vehicle’s options. Please verify your vehicle is on this list. This module is a compatible replacement for part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, and many more.
Frequently Asked Questions
2008-2012 Savana 3500 BCM
Will this fix a no-start problem?
It can. The BCM is often tied into the vehicle’s anti-theft or security system (Passlock/Passkey). If the BCM fails, it can prevent the vehicle from starting. A new, correctly programmed can resolve this issue.