Ignition Interlock Causing Car Problems: Guide to Know

Ignition Interlock

Introduction to the topic

If you’re here, it’s probably because you’ve been convicted of drunk driving and ordered to put an ignition interlock device (IID) on your car. The auto breathalyser will help you avoid legal trouble by detecting if you’ve been drinking before getting behind the wheel. However, you might be worried that adding such a gadget could void your warranty or otherwise ruin your vehicle. After all, it will be wired to the key switch.

While this is a valid fear, I hope that by the end of this post, your mind will be at ease. Whether or whether the ignition interlock device will cause damage to your vehicle depends on the quality of the installation and maintenance you receive.

Can a car be damaged by an Ignition Interlock Device?

As a rule of thumb, the reply to this inquiry is negative. You can’t say it’s impossible due of the installer, though. Damages, like the interlock device draining the battery, may occur if the person servicing the vehicle is unfamiliar with the car’s technical system.

That’s why it’s crucial to work with an established business likeLow-Cost Interlock when having an ignition interlock installed. Even if you just want to make sure you understand everything before they install it, their support crew is always available to answer any questions you may have.

What can you do if your car has an ignition interlock problem?

After a person has been found guilty of driving under the influence, the court may order that an ignition interlock system be installed in their vehicle. Ignition interlock systems are intended to act as a deterrent, much like portable “breathalyser” devices used by police. However, due to their complex nature, these systems aren’t always installed without incident.

How does ignition device work?

Breathing into the handheld device’s mouthpiece is required every time the car needs to be started. The findings of the blood alcohol content (BAC) analysis are transmitted to the ECU via the handheld device. If your blood alcohol concentration (BAC) is below.02, the device will allow you to start the car normally. However, the IID will prevent the vehicle from starting if it detects a blood alcohol concentration (BAC) of.02 or greater.

The criteria for interlock programmes vary by state, but often you get a chance to provide a clean breath sample within a few minutes. If you haven’t had anything to drink in the past 24 hours, washing your mouth with water and trying again after a few minutes should get you through the test. If you fail the test twice, you’ll have to wait longer before you may blow another sample. In the event of a failed attempt, the device may be locked out permanently depending on the state in which it is located.

If you plan on drinking, don’t even think about taking the breath test. Doing so will result in an immediate and irreversible lockout.

If I blow too much on the ignition interlock device, what will happen?

A vehicle with an ignition interlock will not start if the driver fails a breath test. It may be necessary to wait a few minutes before submitting a new sample. Research what it takes to flunk a breathalyser.

If you have too many failed breath tests, your IID may be disabled in most states. Various states have different limits on how many failed breathalyser tests will result in a device lockout. After installing the device in your car, take some time to familiarise yourself with its controls and features so that you can use it with confidence whenever you need to.

What to do if your ignition interlock is causing you difficulties?

When a user of an ignition interlock contacts in to report an issue, our support staff will ask a series of questions designed to pin down the origin of the problem. Before making an appointment with a certified repair shop, make sure you’ve checked the following:

1. Problems with the battery

Interlocks are very low maintenance and consume roughly as much power as a car radio’s clock. The devices made by lifesaferare programmed to enter sleep mode when the car is turned off, consuming less than half an amp total. Ignition interlocks shouldn’t be an issue if your battery is in good shape. However, a poor battery can be quickly depleted by even a moderate current draw, thus it’s imperative that they be in good shape or replaced.

2. Power failure due to a faulty alternator

As the battery drains, an alternator will top it back up. It doesn’t matter how new your battery is if the alternator isn’t charging it properly. If you are getting any new electronics—not simply an ignition interlock—installed in your vehicle, you should have the alternator tested.

3. Inadequate assembly of the added components

To cut costs, many drivers prefer to install aftermarket electronics (radio, remote starter, etc.) That they purchased online. The electronics in cars are already complex, and they only seem to get more so every year. One bare wire or one disconnected component might generate a cascade of difficult-to-find issues.

You or the person who installed your aftermarket car parts should double-check the wiring to make sure everything is linked securely.

4. Older automobiles

When an interlock device is installed in an older vehicle, it is possible that unforeseen mechanical or other problems will arise that are unrelated to the device. Contact us before bringing your car in for repairs so that we can provide you the appropriate papers for your state’s monitoring authority and prevent any problems with your report.

It has a lot of different electronic bells and whistles. These days, high-tech gadgets are pretty much expected in cars. Although these may be easily accommodated by the vehicle’s design, aftermarket upgrades may increase the total weight beyond the vehicle’s carrying capacity. Additionally, certain vehicles may require having their automatic shutoff feature disabled before the ignition interlock can be installed.

While we do our best to work with automakers to guarantee that the device is compatible with a wide range of vehicles (hybrids, push start, electric), technological developments mean that we must constantly update our compatibility lists. Before installing your interlock, you should ask the manufacturer or dealer if there are any functions that may be turned off to reduce the device’s power consumption.

Watch The most common way to violate your ignition interlock device (IID)?

People also ask questions and answers related to Ignition interlock causing car problems

What Does an Interlock Failure Indicate?

When your Ignition Interlock Device indicates a failure, it signifies that your blood alcohol concentration (BAC) is at or over the state’s mandated limit. It’s possible that you aren’t quite at the degree of infraction specified by your state’s regulations. You won’t be able to start your car during the preliminary tests.

How to bypass my interlock system?

Some examples of attempts to circumvent the IID are:
Blow into a balloon to feed alcohol-free breath into the machine.
Having a companion breathe clean air into the machine,
By removing the device’s wires,
Coughing and sucking on a coin,
Chewing gum, sucking on mints, etc.
Invoking a filter by means of air flow.

When I run intoxalock, I get an err 2, what does it mean?

Two-second calibration error. Every 30 to 180 days, depending on state law, you should get your car’s breathalyser calibrated. By doing these calibrations, you can rest assured that your gadget will function properly and provide a reliable bracvalue.

What really is the root cause of interlock?

A failed breath test is the most prevalent reason for an ignition interlock lockout. The legal limit for blood alcohol concentration (BAC) at which an ignition interlock will disable the vehicle varies from state to state. 02-. 025.

Can a interlock mess up starter?

Two parts make up the IID system: the ECU (Electronic Control Unit) and the portable device. The electronic control unit (ECU) will be physically wired into the starter system of your vehicle. Nothing will happen to your starter or electrical system if you do this.


It seems there are alternative ignition interlock systems that do not result in similar complications. Supposedly, diagnostic procedures will not be hampered by the fact that the mouthpiece is detachable. Those who are mandated to install an interlock device on their vehicle should have easy access to gadgets like this, we can only hope.

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