Tag Archives: brake system contamination

Electronic Brake Boost Contamination In GM Vehicles

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General Motors will be contacting the owners of certain 2020-2021 Buick Encore GX , 2020 Cadillac CT4, CT5 and XT4, 2020 Chevrolet Corvette and 2021 Chevrolet Trailblazer vehicles because of a problem affecting the electronic brake boost system.

According to the defect report, a connector in the system may have become contaminated during the manufacturing process. The contamination could interrupt the communication between the sensor and the system, under certain conditions. If communication is interrupted, electronic brake assist could be lost and the driver will require extra pedal force to stop the vehicle. Drivers may also notice an illuminated brake warning light in the instrument panel and the vehicle speed may be limited.

Owners receiving notices will be asked to return to their dealers to have the electronic brake boost module replaced. GM’s number for this recall is A202307260 and the NHTSA campaign number is 20V-588.

Dodge Durango & Jeep Grand Cherokee – Illuminated Brake Warning Lamp

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Chrysler will be asking the owners of certain 2011-2014 Dodge Durangos and 2011-2014 Jeep Grand Chrokees to return to their dealership to inspect the brake booster shield installed under a previous recall (NHTSA 14V-154). Some of these vehicles may have an incorrectly installed shield that could allow water to enter the booster, possibly causing corrosion and limiting the vehicles braking ability. Possible warnings include illumination of the brake warning lamp, high brake pedal effort and/or activation of the anti-lock brake system module.

Dealers will inspect the brake booster shield and correct the installation as necessary. Owners wanting more information about the problem can contact Chrysler customer service at 1-800-853-1403. Chrysler’s number for this recall is T59 and the NHTSA campaign number is 17V-572.

Nissan ABS Warnings & Potential Fire

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Nissan will be asking the owners of certain Maxima and Murano vehicles to visit their dealerships to repair a problem affecting brakes. According to the defect report, these vehicles are equipped with ADVICS ABS actuators that may have been manufactured out of specification. The actuator seals may leak and result in an illuminated ABS warning lamp. If this warning is ignored, the leak could create an electrical short in the actuator circuit and a potential fire. Continue reading →

2015 Subaru Legacy & Outback Brake Fluid Contamination

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Certain 2015 Subaru Legacy and Outback vehicles may fail to comply with the Federal Motor Vehicle Safety Standards for electronic stability control (ESC). Due to the inappropriate handling of a brake fluid storage tank at Subaru’s manufacturing plant, the brake fluid used in these vehicles may contain excess moisture that could cause a gelatinous material to form in the brake system. The valve filter in the dynamics control system could become clogged making the ESC ineffective in preventing
loss of vehicle control. Continue reading →

2015 Lexus NX200 Loss Of Stability Control

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Toyota will be asking the the owners of certain 2015 Lexus NX200 SUV’s to return to their dealerships for repairs affecting the braking and stability of their vehicles. According to the defect report, the affected vehicles are equipped with an Anti-Lock Braking system (ABS), Traction Control System (TRAC), and a Vehicle Stability Control System (VCS) which are controlled by the ABS actuator. Continue reading →

2015 Nissan Murano Brake Actuator Contamination

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Nissan will be asking the owners of certain 2015 Murano vehicles to return to their dealership for repairs after receiving notification from their brake system manufacturer that there could be a problem with actuators similar to ones used on Nissan vehicles. According to the defect report, the Anti-Lock Braking System (ABS) actuators could have contamination in the solenoid valves. This could affect the valves’ ability to completely close or open, building up pressure in the hydraulic brakes or allowing the pressure to completely drop. This problem could result in loss of vehicle stability. Continue reading →

Excessive Brake Pedal Travel In 2012 Hyundai Genesis Sedans

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After receiving complaints of decreased brake effectiveness in certain 2009-2012 Genesis Sedans, Hyundai has identified the problem as corrosion in the Hydraulic Electronic Control Unit (HECU) module.

The subject vehicles may have been filled with a brake fluid with insufficient corrosion inhibitors. Over time, the problem could lead to a gel buildup on the HECU module’s valves resulting in a soft brake pedal and reduced braking effectiveness. Increased stopping distances can substantially increase the risk of an accident. Continue reading →