Buick Repair Questions? Ask a Mechanic for Answers ASAP
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This usually means the abs motor assembly or module has failed.......You can get a used one from http://www.car-parts.com/ to save money. Remove the gear cover on the ABS modulator. Inspect the gears for a loose retaining nut or a damaged gear. If so, replace the gears as a set, available as a gear kit. If OK, remove the motor pack from the ABS modulator, NOTE: The modulator gears may spin when lifting the motor pack up, keep fingers out of the way. This is the reason the chart requires a gear tension relief sequence, with a scan tool that is capable. Rotate the center modulator gear stop to stop. It should move 3-4 turns freely. If not, replace the ABS modulator. If OK, replace the ABS motor pack. NOTE: The C1246 indicates the motor does not move. The Electronic Brake Control Module (EBCM) sees an immediate high current draw, not a current ramp up as it expects on initialization. This indicates a seized motor, seized actuator, or something locking the motor from moving. The C1286 sets when the EBCM has turned the Red brake light on. This happens when a C1246 sets.
So the left turn signal works fine and the right one just stays on? Both front and rear?
So the front signal light stays solid and the rear one flashes fast? If so, are you sure its actually the signal light in front staying on and not flasher light?
Its under steering column, behind kick panel......Here is a picture. Let me know if you run into questions. Thanks.