2003 Buick RegalService bulletins
2003 Buick Regal Technical Service Bulletins
359 technical service bulletins (TSBs) are on record for the 2003 Buick Regal. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10017568Sep 1, 2005Vehicle speed control. Intermittent chuggle or fishbite on light acceleration or a highway speeds with no diagnostic trouble codes (dtcs).
- 10012633Aug 1, 2005Brakes. Brake rotor minimum allowable thickness after refinish specification correction.
- 10017515Jun 1, 2005Steering. Revised outer tie rod end nut tightening specification/tie rod end jam nut tightening specification added.
- 10014875May 11, 2005Brakes. Tech 2 displays asterisk for the left front wheel speed sensor.
- 10012152May 1, 2005Transmission and drivetrain. Incorrect transmission shifts poor engine performance harsh 1-2 upshifts slips 1st and reverse torque converter clutch stuck off on diagnostic trouble code p0730, p0756, p0757, p0741, p0742.
- 10014346Aug 1, 2004Engine cooling. Oil life system reset procedures - cars.
- 10012182Jun 1, 2004Suspension. Changes to labor time guide relating to front suspension labor operations components.
- 10012148Jun 1, 2004Engine cooling. New rear main seal and special tool for installation.
- 10012607Apr 1, 2004Body and structure. Inoperative left or right fog lamp.
← All problems reported for the 2003 Buick Regal
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.