Is abs light on a dot violation

How to Avoid DOT Violations Whether you manage a fleet of two vehicles or two hundred, it's crucial to prioritize avoiding a U.S. Department of Transportation (DOT) violation. While it may seem like just another hoop to jump through, DOT compliance is a valuable preventative measure that ensures safety on U.S. roadways and saves lives.

Your Nissan Maxima's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your car does not have Anti-Lock brakes and the safety they provide. Your Maxima's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll apply the maximum amount of ...Common Causes. There are many reasons why the ABS light turns on in your Kia. The wheel speed sensor is the most common cause and the cheapest part to replace. Replacing a faulty speed sensor costs only $30 and can take about 30 minutes to replace. Other common causes are faulty ABS modules, weak batteries, and many more.The violation will be removed once the City makes the additional repairs. Winter Weather and Repair Work. If a violation is received during the winter, cold weather will most likely prevent work from being done. DOT contractors will not do the work until at least early April.The most common fix for an ABS light that is on is to repair a wheel speed sensor, followed closely by low brake fluid. A code scanner can help speed the diagnosis along, but there is some anecdotal evidence you can use: Brake warning light on: The brake fluid reservoir may be low.British American Tobacco and a subsidiary have agreed to pay the US Justice Department $629 million in fines Two tobacco companies have agreed to pay a total of $629 million for vi...Aug 27, 2009 · Rick Weber. The National Highway Traffic Safety Administration (NHTSA) has issued a final rule that makes permanent an existing requirement that trailers with antilock brake systems (ABS) be ... In addition, if the motor vehicle is not owned by the motor carrier, the record shall identify the name of the person furnishing the vehicle; ( 2) A means to indicate the nature and due date of the various inspection and maintenance operations to be performed; ( 3) A record of inspection, repairs, and maintenance indicating their date and ... Although a vehicle will fail an MOT if the ABS warning light is on, it won't fail a vehicle inspection - since an inspection isn't designed to be a pass/fail exercise. Instead, you'll get a detailed reporting that tells you that there's a warning light showing - as well as a diagnostic report that goes into detail about why the ...

The ABS Light Being Reset. Step 1: Safety Precautions. Make sure your car is parked securely and the engine is off before attempting to reset the ABS light. Put the parking brake on and don the necessary safety gear. Step 2: Identifying the ABS Fuse. To find the fuse box in your car, consult the owner's manual.A Snapshot of In-Service Vehicles” DOT-FMCSA-MCP_PSV-05-003-ABS provides the results of inspections ... indicate a defect in the ABS system and is not a violation. Towing vehicles not requiring ABS may rely only on their stop light circuits to power the ABS on the units they tow. In this case, the only way to inspect the ABS malfunction lamps ...DMV also assesses negligent operator points for traffic convictions California drivers receive in other states, the District of Columbia, Puerto Rico, and Canada. Under VC §13363, DMV determines whether the same violation, if committed in California, would be assessed negligent operator points or would be grounds for suspension or revocation.ABS malfunction lamps must be clearly identified with the letters ABS. A report titled “Warning Assessment of Antilock Brake System (ABS) Malfunction Indicator Lamp Status – A Snapshot of In-Service Vehicles” DOT-FMCSA-MCP_PSV-05-003-ABS provides the results of inspections of ABS malfunction indicator lamps on approximately 1 ,000 vehicles.Because the ABS and traction control systems are connected, the light will come on for both of them. The systems also won’t function during this time. 6. Low Brake Fluid. If the brake fluid level is low, the anti-lock brake system may not work properly. As the brake fluid gets lower, you should have some warning signs. The following tables categorizes some of the most common violations cited during roadside inspections conducted in 2021. To find additional data, visit FMCSA’s Analysis & Information (A&I) website. Brakes out of service: the number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination. The ABS is one of the many parts of your Nissan with its own fuse. If you aren't experiencing other issues like decreased braking performance or a spongy brake pedal, then an open fuse might be why your ABS light has come on. If the fuse is open, you can replace it as a temporary solution. However, an open fuse means there is an electrical ...

January 10, 2023 by Jason. Your GMC Acadia's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your vehicle does not have Anti-Lock brakes and the safety they provide. Your Acadia's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll ...Motor Carrier Registration & Credentials. DOT & Safety Regulations. Utah Administrative Rules for Motor Carriers. Utah Code for Motor Carriers. Federal Motor Carrier Safety Regulations. Hazardous Materials Regulations. Commercial Driver License. Load Securement. Snow Tire & Chain Requirements.Sep 21, 2010 · The FMCSA makes permanent the existing requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) that trailers with antilock brake systems (ABS) be equipped with an external malfunction indicator lamp. The existing indicator lamp requirement was originally scheduled to sunset on March 1, 2009, but the National Highway Traffic Safety ... Welcome to the FMCSA Guidance Portal. This web portal is a searchable, indexed database that contains and links to all guidance documents in effect from the Federal Motor Carrier Safety Administration. The guidance documents lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract.Green Dot debit card accounts are prepaid. The account must be loaded with funds for activation and usage. Green Dot accounts can be loaded and reloaded in a number of ways. The mo...Markings. §642.002. Identifying Markings on Certain Vehicles Required; Offense; Penalty. show the motor carrier registration number in clearly legible letters and numbers, if the vehicle is required to be registered under this chapter. A person commits an offense if the person operates on a public street, road, or highway a tow truck that does ...

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Personally for an abs light I just keep on moving. The brakes still work. ... however if dot catches it you will get a ticket. Last week being brake check week you absoutely made the right call. Getting it out of central ca to phoexix most likely you would have got caught either by chp or AZ at the point of entry. Just my 2 centsWhen the ABS light / comes on in your car, the anti-lock braking system is disabled. The vehicle can still be braked without ABS. But if the BRAKE light / also comes on, it indicates a malfunction in the braking system and you must stop driving due to risk of brake failure.. 1. Bad wheel speed sensor. There is an ABS sensor at each wheel hub which measures the speed of the respective wheel and ...ABS Light on Trailer DOT Violation. If your trailer has an ABS light on while you’re stopped for a traffic infraction, the officer is likely to issue you a ticket for having a brake system violation. There are various out of service criteria related to the brake system, but one is having an inoperative ABS.Step 3: Key in your LTO client number or your nominated email address and password then click “Sign in.”. Step 4: On the Dashboard, click “Violations.”. Step 5: Click between tabs to check on Demerit points, Unsettled Violations, and Violations History. Step 6: Click the Close button once done.A trailer with an ABS light on is a DOT violation, as the Federal Motor Carrier Safety Administration mandates all trailers after January 1, 2001, to have an anti-lock braking system (ABS). If the light is on, it indicates a problem with the ABS system, potentially causing a crash. If the ABS light is on, it is considered out-of-service and ...

Boost! The EBCM (ABS) module has a tire size calibration value programmed in. From what I've read in an old thread from Ben, this is just a calibration value for the wheel speed sensors, doesn't affect the speedometer at all. It's configurable with a Tech2. Since you have all 3 codes (FL, FR, Rear speed sensors), I would check the tire size ...So for over a month now, the 2017 dodge journey has had a issue with the abs light and the traction control light being on. In this video I will go over how ...11 years, 1 month ago. Some will come on if ya get a trailer doesn't have abs but don't worry bout those to much companies are getting rid of those. If it comes down to ur pig tail pins take a flat head screw driver and lightly don't manhandle it spread apart the pins to have a small gap in the fork end. Page 1 of 1. In addition, if the motor vehicle is not owned by the motor carrier, the record shall identify the name of the person furnishing the vehicle; ( 2) A means to indicate the nature and due date of the various inspection and maintenance operations to be performed; ( 3) A record of inspection, repairs, and maintenance indicating their date and ... DOT: Department Of Transportation. A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard. State and Federal DOT Officers are responsible for commercial vehicle enforcement. "The truck police" you could call ...Aug 21, 2023 · Q: Is a trailer ABS light a DOT violation? If the ABS light is on during a traffic stop, an officer might issue a citation for brake system violation due to the illuminated ABS light. Out-of-service criteria concerning brakes encompass several factors, and one involves the presence of a non-functional ABS. Sep 19, 2013 · This Inspection Bulletin provides guidance for inspecting the antilock brake system (ABS) on a bus, truck, truck tractor, trailer or dolly during a roadside inspection, and for identifying when a vehicle is in violation. VIOLATION GRID. Read more about Laws & Policies. Follow us online. Department of Alcoholic Beverage Services. 1625 South 900 West Salt Lake City, Utah . 84104. P.O. Box 30408 Salt Lake City, UT . 84130-0408. Front Desk: (801) 977-6800. Fax: (801) 977-6888. Office Hours: Monday - Friday 8:00 am - 5:00 pm. Main Menu. Shop Products.This is a video tutorial on the top 3 most common things to check when an ABS light comes on. Click here to read the full article: https://www.2carpros.com/a...What does it mean when the ABS light is lit while you are driving? When should cruise control not be used? Should you use a retarder on a slippery road? How much longer …11 years, 1 month ago. Some will come on if ya get a trailer doesn't have abs but don't worry bout those to much companies are getting rid of those. If it comes down to ur pig tail pins take a flat head screw driver and lightly don't manhandle it spread apart the pins to have a small gap in the fork end. Page 1 of 1.I am running a 2014 Peterbilt 379 and retnouer low profile stepdeck trailer. The trailer abs light comes on and goes off randomly. I thought it might be from rain or shorted wire cause sometimes it happens after hitting a good bump... Anyway i pulled over, wiggled the pigtail around no change...light still on.

I can always try the 'fix' I heard of a while ago and fit an interior light delay relay to the light😀 Landrover 2/300TDi glowplug relay works well, stand-alone relay that stays on for what appears to be a correct amount of time, use the glow time circuit as the lamp driver can leave an LED glowing, only need an ignition live and earth.

Violations Description # Violations # OOS Violations Violation Severity Weight; 393.9: ... CMV not equipped with ABS malfunction circuit or signal (Truck-Tractor mfg ...A vehicle will not pass the inspection if the ABS light is on. The ABS forms part of the car's safety features linked to other safety systems, such as traction and stability control. When the ABS light is on, it tells you that the system is switched off; thus, the safety feature will not work as intended. The vehicle inspection ensures that the ...The ABS light comes on in the dashboard of Chevy Silverado 2500 HD when one or more of the wheel speed sensors have malfunctioned, brake fluid is too low, the fuse is blown or the relay is bad, tire pressure is low, or if the ABS module has developed a defect. When the ABS light / comes on in your Silverado HD, the anti-lock …Sounds like a shackle pin bolt was loose, which sounds like a legit reason for the citation. While he is correct on the ABS light, as long as the light functions correctly, most let it slide. Legit, yes, but very minor. The DOT tape is BS unless the tape on the bumper was missing.Is ABS light on a dot violation? When your ABS stops functioning, your foundation brakes don’t break. They still work. However, it is a violation in the regulations if your ABS is not functioning, or if your ABS malfunction lamp comes on and stays on, or doesn’t come on at all.Aug 29, 2023 · Having an ABS warning light on your dashboard is not a DOT violation, the light only signifies that something is wrong with your ABS system that needs to be fixed. However, having the ABS light illuminating from the trailer ABS lamp is a DOT violation especially when the light continues to illuminate on a traffic stop . The laws regarding upgrades to headlights, taillights, underglow, and other light mods. Federal and state laws require highway vehicles to have certain types of lighting. Generally, these requirements are based on safety concerns. Along with lighting requirements, the law also imposes limits on how bright and luminescent a vehicle can be.The Massachusetts Vehicle Check program is the vehicle emissions testing and safety inspection program for the Commonwealth. You can get an inspection at any of the 1,800 licensed inspection stations in Massachusetts from their Inspection Station Locator.. Effective November 1, 2022, motor vehicles passing an inspection will get a new sticker …When the ABS light / comes on in your Compass, the anti-lock braking system is disabled. The vehicle can still be braked without ABS. But if the BRAKE light / also comes on, it indicates a malfunction in the braking system and you must stop driving due to risk of brake failure.. 1. Bad wheel speed sensor. Jeep Compass has an ABS sensor at each wheel hub which measures the speed of the ...The brake system is one of the most important safety features on a vehicle. Understanding the basics of brake repair helps you make better decisions when it’s time to replace fault...

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The ABS Light and Check Engine Light are important indicators of issues with the ABS system and wheel sensors. They may also signal a problem with traction control or cruise control. Your brake light may illuminate if there are malfunctions in the anti-lock brakes. Keep an eye on these indicators and address the issue to ensure proper safety ...The four common reasons that typically cause this light to turn on include a malfunctioning ABS module, low levels in the fluid reservoir, broken wheel speed sensors, or the system is turned off. Malfunctioning ABS Module. Your ABS actually shares some important components with another system in your vehicle: your traction control system.Q: Is a trailer ABS light a DOT violation? If the ABS light is on during a traffic stop, an officer might issue a citation for brake system violation due to the illuminated ABS light. Out-of-service criteria concerning brakes encompass several factors, and one involves the presence of a non-functional ABS.As airlines are increasing documentation and other requirements for emotional support animals, the DOT has now issued final rules on the matter. On Thursday afternoon, the Departme...January 10, 2023 by Jason. Your Ford Ecosport's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your car does not have Anti-Lock brakes and the safety they provide. Your Ecosport's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll ...Application of Decals. A CVSA decal is a colored sticker featuring the year in which the inspection was performed, along with the CVSA trademarked logo. The quarter in which an inspection was performed is indicated by the color of the decal issued. The year of issuance is indicated with the last number of the calendar year (i.e. 2018 is ...When Is the ABS Light a Big Deal? There are occasional situations in which it will take a little more than a quick fix to get the ABS light to turn off. The first is a worn-out hydraulic pump or hydraulic valve. This is a pretty normal wear-and-tear type of issue that occurs after a significant amount of driving. Essentially, this is partly ...Deadly DOT Violations 4: Sign Violations. Failure to obey a traffic safety device violations (think running stop signs, red lights and being in the improper lane) are another common company killer. Truck drivers received over 80,000 of these DOT violations so far this year. That is about 10% of all driver violations. ….

January 10, 2023 by Jason. Your Volkswagen Jetta's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your car does not have Anti-Lock brakes and the safety they provide. Your Jetta's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll ...towed vehicle(s) to the trailer ABS malfunction lamp in the cab of the towing vehicle, and shall have the means for connection of the electrical circuit to the towed vehicle. The ABS malfunction circuit and signal shall meet the requirements of FMVSS No. 121 (49 CFR 571.121, S5.1.6.2(b)). (3) Each semitrailer, trailer con-When the ABS light / comes on in your A-Class, the anti-lock braking system is disabled. The vehicle can still be braked without ABS. But if the BRAKE light / also comes on, it indicates a malfunction in the braking system and you must stop driving due to risk of brake failure.. 1. Bad wheel speed sensor. Mercedes-Benz A-Class has an ABS sensor at each wheel hub which measures the speed of the ...5.1.1 Brake Systems (Part 393 Subpart C) Brake components include actuators, slack adjusters, linings, pads, drums, and rotors. Components must be constructed, installed, and maintained so that vehicles can be stopped safely and reliably. Commercial vehicles must also meet relevant service, parking, and emergency brake requirements.Inspections must be performed by North American Standard Level I, Level V or Level VI certified inspectors. The term “certified” means the government employee performing inspections and/or affixing CVSA decals must have successfully completed a training program approved by CVSA. Approximately 4 million commercial motor vehicle …The FMCSA makes permanent the existing requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) that trailers with antilock brake systems (ABS) be …Inspections must be performed by North American Standard Level I, Level V or Level VI certified inspectors. The term “certified” means the government employee performing inspections and/or affixing CVSA decals must have successfully completed a training program approved by CVSA. Approximately 4 million commercial motor vehicle …This article was updated April 26, 2021. While keeping the lights on seems like a fairly easy thing to do, lighting violations (inoperable lamps) were the top vehicle violation and were found in ... Is abs light on a dot violation, The most common reason for an ABS light being on in a semi-truck is a malfunctioning wheel speed sensor. These sensors measure the rotational speed of each wheel and are integral to the functioning of the antilock braking system. If one or more of these sensors fail, they can cause the ABS light to come on and must be replaced as soon as possible., January 10, 2023 by Jason. Your Chevy Malibu's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your car does not have Anti-Lock brakes and the safety they provide. Your Malibu's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll ..., Most, he said, point to a headlight or a brake light, but a rear turn signal is the only single bulb that "can put you out of service," he said. " One brake light won't do it, one headlight won ..., A DOT safety violation occurs when the truck driver does something unsafe on the road. Violations of DOT inspections occur when the driver or carrier does not follow all paperwork, maintenance, or other regulations. Both types of DOT violations carry serious penalties, including fines and even the revocation of operating authority., To avoid light violations, consider these tips: Drivers must check all required lights during their daily pre- and post-trip inspections — it's required under §392.7 and §396.11. Refer to §393.11 for a list of all DOT-required lights, and make sure drivers know what's required depending on their vehicle type., A. The following shall be exempt from inspection as required by§ 46.2-1157 of the Code of. Virginia: 1. Four-wheel vehicles weighing less than 500 pounds and having less than six horsepower; 2. Boat, utility, or travel trailers that are not equipped with brakes; 3., Here are the five most common reasons the ABS Toyota Camry's ABS light comes on: 1. Wheel Speed Sensor. A typical wheel speed sensor. A bad wheel speed sensor is the most common reason the ABS light comes on. There is a wheel speed sensor on each of your Toyota Camry's hubs. Wheel speed sensors monitor the rotational speed of each wheel and ..., Every motor carrier shall systematically inspect, repair, and maintain, or cause to be systematically inspected, repaired, and maintained, all motor vehicles subject to its control. Parts and accessories must be in safe and proper condition at all times. Pushout windows, emergency doors, and emergency door marking lights must be inspected at ..., The ABS Light and Check Engine Light are important indicators of issues with the ABS system and wheel sensors. They may also signal a problem with traction control or cruise control. Your brake light may illuminate if there are malfunctions in the anti-lock brakes. Keep an eye on these indicators and address the issue to ensure proper safety ..., Doing a basic walk around your vehicle and trailer. Just do a simple walk around them. That’s the biggest thing to get most of these violations caught. It’s just a simple walk around ..., The other day I received a violation for the trailer ABS light no cycling and it never illuminated on the dash, any ideas? it's a 2006 freighliner century and 2007 utility trailer btw. Thanx in advance. ... If it doesn't, then there is an issue. DOT is cracking down on this more and more. GrapeApe, Mar 9, 2014. GrapeApe, Mar 9, 2014 #3. rollin ..., A. The following shall be exempt from inspection as required by§ 46.2-1157 of the Code of. Virginia: 1. Four-wheel vehicles weighing less than 500 pounds and having less than six horsepower; 2. Boat, utility, or travel trailers that are not equipped with brakes; 3., Section § 393.70: Coupling devices and towing methods, except for driveaway-towaway operations. Guidance Q&A. Question 3: Section 393.70(d) requires that every full trailer must be coupled to the frame, or an extension of the frame, of the motor vehicle which tows it with one or more safety devices to prevent the towed vehicle from …, Doing a basic walk around your vehicle and trailer. Just do a simple walk around them. That’s the biggest thing to get most of these violations caught. It’s just a simple walk around ..., ABS light on? Company might get a 'fixit ticket' (I've yet to get one after 6mo and probably 15 loads with it on... never even pulled for an inspection because of it). If you fuck with that light... and they find it... company gets a fixit ticket.. and you get railed for disabling a safety device., The brake system is one of the most important safety features on a vehicle. Understanding the basics of brake repair helps you make better decisions when it’s time to replace fault..., When the ABS light illuminates, it means that there may be a problem with the system that requires attention. This could be due to issues with the ABS sensors, a faulty ABS control module, low brake fluid levels, worn brake pads, or electrical problems within the ABS system. While the standard braking system should still function when the ABS ..., 2. Blown Fuse. 3. Low Brake Fluid Level. The brake of a car's system uses hydraulic, requiring a certain level of fluid in your brake system. A low brake fluid level will lead to a malfunction of your brakes, which will trigger the ABS light to light up. 4. Damaged Wheel Speed Sensor., Each hydraulic braked vehicle subject to the requirements of paragraph (a) of this section shall be equipped with an ABS malfunction indicator system that meets the requirements of FMVSS No. 105 ( 49 CFR 571.105, S5.3). ( c) Air brake systems. ( 1) Each truck tractor manufactured on or after March 1, 1997 (except truck tractors engaged in ..., The ABS warning light is an indication that something may have gone wrong with the system, and you need to take action to investigate it yourself with your OBD2 scanner or bring it into a service center for analysis. If you are a DIYer, the Innova 5610 scanner is a great tool for analyzing the ABS and identifying the malfunctioning components., Violations Description # Violations # OOS Violations Violation Severity Weight; 393.9: Inoperable Required Lamp: 13: 1: 2: 393.78: Windshield wipers inoperative/defective ... CMV manufactured on/after 3/1/2001 not equipped with ABS malfunction circuit / lamp from towed vehicle in cab. 2: 0: 4: 393.75G-LOAD: Weight carried exceeds tire load ..., This table lists the CFR Title 49 section and violation text that can be found on intermodal chassis. ... [email protected] Business Hours: 9:00am-5:00pm ET, M-F. If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services., Contact Us. Office of the General Counsel. 1200 New Jersey Avenue, S.E. Washington, DC 20590 United States. Email: [email protected] Phone: 202-366-4702 Business Hours: 9:00am-5:00pm ET, M-F. If you are deaf, hard of hearing, or have a speech disability, please dial 7-1-1 to access telecommunications relay services., If the ABS light is on, ensure the red BRAKE light does not come on. You will get a few other warning lights on the dashboard, such as a traction control light and stability control, but don’t worry. These systems get disabled when the ABS doesn’t work. Drive carefully to your destination., January 10, 2023 by Jason. Your Kia Sorento's ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your vehicle does not have Anti-Lock brakes and the safety they provide. Your Sorento's ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it'll ..., ABS, or Anti-lock Braking System, is a safety feature in cars that prevents the wheels from locking up during braking, thereby enhancing vehicle control and reducing the risk of accidents.It consists of several components and sensors that work together to achieve its purpose. The key components of an ABS include wheel speed sensors, an ABS control module, and a hydraulic unit., Because the ABS and traction control systems are connected, the light will come on for both of them. The systems also won’t function during this time. 6. Low Brake Fluid. If the brake fluid level is low, the anti-lock brake system may not work properly. As the brake fluid gets lower, you should have some warning signs., If you notice your semi-trailer ABS blink a code, it means more intricate issues associated with your ABS module. Unlike brake lights, ABS lights are typically controlled by a computer module. When this light flashes, it appears as a numerical code, which technicians have to diagnose manually. Brake lights are more straightforward., The ABS light is a warning light on the dashboard that alerts the driver to an issue or malfunction in the anti-lock braking system. When the ABS sensor is …, In recent years, the market for televisions has been saturated with a variety of options, each boasting different features and technologies. Two popular contenders in this space ar..., DOT lighting regulations require keeping the following lights and lamps in proper working order: Headlights; Brake lights; Turn signals; Other lights; If an officer finds out you have broken any DOT …, It has to be a violation because it's for sure a violation on the trailer. But you'll have to get a level 1 inspection for them to check that, and those type of inspections are rare. An ABS fault on the trailer can be easily found by just passing through a weigh station with the ABS light on the trailer., Just follow the below steps to reset the ABS light once you replace the ABS sensor. Pull out the positive wire from your car battery. Let your car drain the electrical system by holding down the brake pedal. It will reset your vehicle's central computer. Finally, pull the positive wire back into your car battery.