What is a BCM on a Honda CRV?

Understanding the Body Control Module (BCM) on a Honda CR-V
The Body Control Module (BCM) in a Honda CR-V is an essential component of the vehicle’s electrical system. It plays a crucial role in managing various electrical functions and systems within the vehicle.
Location and Function:
The BCM in a Honda CR-V is typically located in the cabin, under the dash above the driver’s left knee. It is positioned behind the cabin fuse box.
Issues and Replacements:
There have been reported issues related to the BCM in Honda CR-V vehicles, such as stalling, battery warning light illumination, and the need for replacements due to unavailability of parts. These issues highlight the significance of the BCM in the vehicle’s overall functionality.
Part Number and Replacement Process:
The specific part number for the BCM in a Honda CR-V is 38809-TMM-A21. When replacing the BCM, it’s important to ensure that the replacement part is genuine and backed by a manufacturer warranty for optimal performance.
Naming and Identification:
It’s worth noting that while the BCM is commonly referred to as the Body Control Module in the automotive world, Honda uses the term “Multiplex Control System” or “Multiplex Integrated Control Unit” for this component. It is built into the fuse box, and Honda parts personnel may not refer to it as a BCM.
In summary, the BCM in a Honda CR-V is a critical component responsible for managing various electrical functions within the vehicle, and its proper functioning is essential for the overall performance and reliability of the vehicle’s electrical systems.

How much does it cost to replace a BCM?

between $587 and $622
The average cost for a Body Control Module Replacement is between $587 and $622. Labor costs are estimated between $86 and $108 while parts are priced between $501 and $514. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

What is the code for a bad BCM?

More About Error Code U0140
The BCM is part of your car’s electrical system. It controls various functions, including the tire pressure monitor, door locks, keyless entry and anti-theft systems. DTC U0140 could imply that the BCM is faulty and it’s not receiving or sending signals properly.

What happens if your BCM goes out?

A non-functioning or faulty body control module can also prevent a vehicle from starting at all, in certain cases. Though somewhat rare, a bad BCM can fail to identify the key’s transponder chip, or can simply fail to deliver a “start” signal from a vehicle’s ignition switch, thereby preventing starter engagement.

What are symptoms of a bad BCM?

Power windows Central Locking System and power mirrors may experience irregularities when BCM of your vehicle becomes faulty. 4. Problems with accessories. The BCM controls power seat adjustments. And

Can I drive my car with a bad BCM?

If your car has a problematic BCM, it’s best not to drive it until the BCM is replaced. Control module-related issues can get costly to repair, so you want to avoid aggravating the existing problem. Fortunately, you can get a quality BCM from CarParts.com–and you don’t even have to leave your home for it.

What does a BCM do in a car?

The BCM communicates with other on-board computers via the car’s vehicle bus, and its main application is controlling load drivers – actuating relays that in turn perform actions in the vehicle such as locking the doors, flashing the turn signals (in older cars), or dimming the interior lighting.

Can a bad BCM cause a no start?

Cause. From your car’s inability to start to turning your dashboard into a Christmas tree a bad BCM can cause many problems in your vehicle. Here are the eight most common problems that a bad BCM can

Will the BCM stop my car from starting?

It is already established that the BCM impacts the performance of the remote keyless entry system the remote keyless entry system not only AIDS in locking and unlocking your car but can also turn on

Is a BCM expensive?

The national cost for a body control module replacement with CarAdvise in 2024 is between $295 and $972 with an average of $582.

How do I reset my BCM?

Just remove both cables from the battery and touch the ends of the cables together to bleed off the voltage stored in the BCM capacitors, which resets the BCM’s memory and erases trash data. The original programming is non-volatile and will always remain.