Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
ITS61122
Service Bulletin/Repair Instructions
Instruction to Service for updating the battery program on certain ELFA2 buses for Improved BMS response to overcharging and other functional safety mechanisms, more robust detection of failure modes through DTCs, improving Battery Data Recorder (BDR) capabilities, streamlined flashing processes, and logic improvements for better integration with application.
SMB186
Service Bulletin/Repair Instructions
Service Manual Bulletin providing revised, corrected or additional information for the Preventive Maintenance on buses specifically equipped with a Powerex direct drive air compressor.
SMB188
Service Bulletin/Repair Instructions
Service Manual Bulletin provides revised information for the Preventive Maintenance on specifically equipped vehicles with the Powerex belt driven air compressor.
SMB187
Service Bulletin/Repair Instructions
Service Manual Bulletin which stresses the need for safety when performing maintenance on the high voltage systems on your New Flyer vehicle.