NTB21-040B

DTCS B2740-87, B2744-87, AND/OR B274D-87 STORED IF YOU CONFIRM Any of the following DTCs are stored:  B2740-87 (TCU)  B2744-87 (BCM)  B274D-87 (Combination Meter) ACTION Follow the SERVICE PROCEDURE to reprogram the Sonar Control Unit, if applicable. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.