Restore Control and End Electrical Frustrations
Are you dealing with bizarre electrical issues in your 1998 Isuzu Hombre or GM truck? Flickering interior lights, unresponsive power windows and locks, or a security light that won’t turn off are classic signs of a failing Body Control Module (BCM). This isn’t just an annoyance; a faulty BCM can disrupt your vehicle’s core functions. This replacement 1998 Isuzu BCM is the reliable, straightforward solution to get your truck’s convenience and security features working like new again. We take the guesswork out of the repair by programming the module to your vehicle’s specific VIN before it ships, ensuring a seamless integration.
A Technician’s Notebook: The Ghost in the Machine
I remember a 1998 Chevy S10 that came into my bay with a truly baffling set of symptoms. The owner said the radio would turn on by itself, the dome light would stay on for hours, and occasionally, the truck wouldn’t start. He’d already replaced the battery and checked the alternator. After hooking up the scanner, I saw no engine codes, but communication with the BCM was intermittent. These modules are the central hub for all body electronics, and when they fail, they create these ‘ghosts.’ We swapped in a VIN-programmed BCM, and every single issue vanished instantly. It’s a common failure on these platforms, and a correct replacement is the only true fix.
Is Your Truck Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors work intermittently or not at all.
- ✔ The security or anti-theft light is flashing, preventing the engine from starting.
- ✔ Interior dome lights or dashboard lights flicker or stay on, draining the battery.
- ✔ The radio or other accessories behave erratically.
- ✔ Keyless entry remote has stopped working.
- ✔ Communication codes like U-series codes are present when scanned.
A Straightforward Guide to Installation
Replacing the BCM on these trucks is a job most DIYers can handle with basic tools. Our pre-programming service saves you a trip to the dealership, making this a true plug-and-play repair.
- Safety First: Always disconnect the negative battery terminal and wait a few minutes before starting any electrical work.
- Locate the BCM: On the Isuzu Hombre, it’s typically located on the left-hand side of the dash. On S10/Blazer/Jimmy models, it’s usually in the center dash area, often behind the glove box or radio.
- Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs, so be gentle. Then, unbolt the module from its mounting bracket.
- Install the New BCM: Bolt the new module into place and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock in.
- Reconnect Battery: Re-attach the negative battery terminal. Turn the key to the ‘On’ position and test all functions—windows, locks, lights, and radio—to confirm the repair.
Important Post-Installation Information
While this module is programmed for your vehicle, some systems may require a ‘handshake’ procedure after installation. Please be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is on after installation, a simple sync procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional-grade scan tool. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light and traction control operation.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a certified technician for specific guidance.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the following vehicles and part numbers. Please match your original part number or vehicle to ensure correct fitment.
- 1998 Chevrolet Blazer S10 / GMC Jimmy S15 (Body Control, center dash, ID 16268395, 9366803, or 16264870)
- 1998 Chevrolet S10 / GMC Sonoma S15 (Body Control, center dash, ID 16268395)
- 1998 Oldsmobile Bravada (Body Control, center dash, w/o extended build date)
- 1998 Isuzu Hombre (Body Control, LH dash)
This module replaces the following part numbers: 09366803, 16264870, 16268395, 8093668030, 8162683950.
Frequently Asked Questions
Frequently Asked Questions
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.
Is this part difficult to install myself?
For most people with basic tools, this is a very manageable DIY job. The main benefit of our service is that the module arrives programmed, so you won’t need any special computer equipment for the initial setup.
What is a VIN program and why do I need it?
Programming the module with your vehicle’s 17-digit Vehicle Identification Number (VIN) loads the correct software and settings for your truck’s specific options. This ensures everything works correctly right out of the box.
What do I do if the airbag light comes on after I install it?
This is a known possibility. The new BCM needs to be electronically introduced to the airbag module (SDM). A repair shop with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the systems and turn off the light.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit VIN. We cannot ship the module until we receive this information to program it for you.