ABS System Diagnosis

When the ABS system is malfunctioning, it may exhibit one or more symptoms, such as an illuminated ABS Light, a vibrating brake pedal, and/or inconsistent brake performance. When these types of symptoms occur, it is important to have an ABS System Diagnosis.

An ABS System Diagnosis involves special computer system scan tools, specialized testing equipment, and advanced technician training. Merely retrieving a code and trying a part, without an ABS System Diagnosis, will do little to repair the problem and may even damage expensive ABS system components. 

The purpose of this article is to provide an outline for some of the essential steps involved in performing an ABS System Diagnosis. This guide can be used—by you and the shop—to track the progress as the mechanics perform the test.

ABS Light Diagnostic Check Sheet-1

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