In some instances, a regeneration may be prohibited until the adaptive cruse fault is corrected and cleared. Additionally we examined the effects and complications caused by this fault.Ī major concern is that the fault can inhibit other functions on the truck. These faults are common across a variety of makes and models, which led us to determine why a new system on new vehicles caused so many instances of a fault, both active and inactive. Examining JPRO connection data, we found that at least three adaptive cruise control faults quickly became top-ten occurring faults in the late 2017. The technology became much more prevalent in 2018 model vehicles, leading to the need for technicians to understand how to diagnose and repair adaptive cruise control and similar emerging safety systems. Whereas cruise control is simply an engine function, it is now a safety feature driven by ABS and safety component manufacturers.Īdaptive cruise control is an example of why technician training is an ongoing initiative. In trucking, however, adaptive cruise control focuses on safety and fuel economy. Cruise control takes away the need to constantly monitor speed and helps drivers avoid driving too fast and potentially receiving a costly citation. Historically, cruise control is a feature intended to benefit the driver.
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