Modern cars' ability to function properly depends on a sophisticated communication network. A variety of terminals, wires, and sensors are present in this network, and they all provide feedback to various electronic computer modules. The majority of the time, each of a car's critical systems has a computer module that controls it.
A
vehicle's body control module, while uncommon, might experience significant
operating problems, including total failure. Several unsettling symptoms may
appear when this happens, many of which can be very unsettling to deal with. It
is advised that as soon as you notice any of the following symptoms, you
schedule your vehicle with a car repairs near me
garage as soon as you can to allow the mechanic to identify and
resolve the problem.
Learn
more about the symptoms of body control module failure in the upcoming
sections, as well as what to do if you experience any of these problems in the
future.
Failure
of the body control module is accompanied by a range of symptoms. However, some
of these signs are usually much more common than others, so it's crucial to
become familiar with them all in case you ever encounter a problem of this
nature again.
Some
of the most typical signs of a failing body control module include the ones
listed below:
1. Excessive Battery Drainage
- Sometimes referred to as a parasitic draw, is one of the signs of body
control module failure that is most frequently experienced. Although a limited
amount of parasitic draw is allowed, excessive draw made possible by a BCM
malfunction can quickly drain a battery. When a BCM keeps providing power to a
certain accessory at the wrong times, this draw happens. If the battery is
drained during a MOT test, you run the danger of the MOT failing since the MOT
tester might not be able to do all the tests required to pass the MOT test.
Therefore, check MOT
status of your vehicle and have this problem addressed.
2. Erratic Electrical
Function – A damaged body control module can also lead to sporadic performance
of a number of electrical features, including the horn, lights, and wipers of a
car. You run the danger of a failing if these components don't function
properly because they are tested during a MOT. To properly investigate and
address the issue, you need schedule an appointment with a competent mechanic
at one of the car garages in
Reading you find online. Unusual door lock and radio operation are
additional warning signs of body control module failure, as are dials in the
instrument cluster that sweep erratically. When more than one of these symptoms
is present at any particular period, the likelihood that such problems are
BCM-related rises.
3. Security System Issues
- The body control module nearly always controls the security system in a
vehicle. Therefore, it is simple to conclude that recurring yet mysterious
security system problems with vehicles are a result of a broken or
malfunctioning body control module. Problems with a vehicle's keyless entry or
passive entry systems can also fall under this category.
4. Dashboard Warning
Lights - The instrument cluster of a car might suffer greatly from a
malfunctioning body control module. Unremarkable dash displays might suddenly
become incredibly lit, almost like a Christmas tree. This happens when one or
more of a vehicle's extra control modules, such as the airbag control module,
powertrain control module, or transmission control module, are unable to
interact with a BCM. If any warning lights are on your dashboard, you should
look online for garages
in Reading so that a
technician may examine your vehicle, identify the issue, and make any necessary
repairs.
5. Failure To Start - In some
circumstances, a malfunctioning or damaged body control module may also
prohibit a vehicle from starting at all. Even though it happens infrequently, a
malfunctioning BCM can inhibit starter engagement by failing to recognise the
transponder chip in the key or by simply failing to provide a "start"
signal from the ignition switch. Inability of the BCM to communicate with other
associated control modules can also cause problems starting the engine.
Is a Bad BCM Safe to Drive With?
It
is generally not recommended to drive a car with a damaged body control module,
even though it is hypothetically possible to do so. This is due to the
unpredictability of a computer module that is about to break.
Simply
said, it is impossible to foresee which of a malfunctioning computer's features
will work as intended at any given time. The issue with this is that it is
impossible to predict whether a BCM failure will lead to a safety-sensitive
issue or not.
There
is no assurance that a malfunctioning BCM would turn on a vehicle's lights,
when necessary, even if nothing similar has ever happened in the past. The
occupants of a vehicle are put at a reasonable risk by this.
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