Two problems related to brake abs warning light have been reported for the 1998 GMC Jimmy. The most recently reported issues are listed below.
Abs light illuminated, consumer states brakes felt funny, dealer diagnosed left front wheel sensor was faulty and parts had to be ordered, however vehicle was safe to drive, consumer had 3 more brake failures, one resulting in a minor accident with property damage, dealer replaced the sensor and brake booster.
Vehicle at repair shop to replaced the right front wheel bearing when abs light came on. Dealer said that the abs needed to be replaced at owner's cost. Owner believes that while repairs were being made something happened to trigger the light. Dealer denies responsiblity.