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Help! GMC Jimmy ABS Problem after ball joint repair
When I picked up the Jimmy, the ABS now engages almost every time you use the brakes, especially when braking while turning. The shop went through everything and cannot find a cause. They put on a sensor tool (I am not a mechanic, so whatever this is called I don't know) that showed the readings on the sensors (3 -- 2 front and 1 rear) and it showed other readings, including ABS engaged yes/no. Drive the car, sensors read the same all the time; hit the break the sensors still read the same BUT the ABS engages and the tool confirms this.
What sets off the ABS to make it engage? The feeling is awful and not really usable in everyday conditions because of the feel and the noise of the ABS going off. I had them pull the fuse to disengage the ABS, but that also stops my cruise control.
Suggestions on what could be wrong? This shop replaced sensors, no difference; caliper, no difference; reset the computer (unplugged it 20 minutes); and then had no idea what to do. Any clues here??