This Preliminary Information communication provides information to the technician about vehicles equipped with radio Regular Production Option Code UFU, UP9, UHQ, UHK, UFW, UHR, UHJ, or UFF when the display shows Theft Locked. If this concern is current and your dealership is within 4 hours of Warren, Michigan or within 4 hours of Atlanta, Georgia, please contact the General Motors Technical Assistance Center to review direction before attempting repairs, power cycling the module, clearing codes, or disconnecting the battery.
