ITS61748
Service Bulletin/Repair Instructions
Instructions for verifying/correcting torque on front destination sign mounting hardware installed on certain buses.
Vehicle report
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.
ITS61748
Instructions for verifying/correcting torque on front destination sign mounting hardware installed on certain buses.
ITS61489
Instructions to update V2 traction inverters with new bootloader.
251030 Battery email
A consumer notification indicating one of New Flyer's battery suppliers is exiting the market.
TSIB 25-07
This Bulletin is being issued due to New Flyer & MCI have received reports that customers are re-torquing high-voltage (HV) connections during preventative maintenance inspections as outlined in the Preventive Maintenance section of the Service or Maintenance manual. This Bulletin reminds operators that the inspection procedure is visual only and does not require retorque unless the witness marks indicate the fasteners have loosened.
TSIB 25-04
This Technical Service Information Bulletin has been issued to remind customers that fill pressure must not exceed 25 psi to avoid injury or damage components during filling and deaeration of the ESS Battery Thermal Management System.
ITS61268
Instruction to Service to update vehicles with ELFA 3 to provide improved BMS response to overcharging and other functional safety mechanisms, more robust detection of failure modes through DTCs, Battery Data Recorder (BDR) capabilities, and streamlined flashing processes.
ITS61249
Instruction to Service for updating ESS drains, remove internal mechanism, re-install and add duckbill. Remove the ESS breather, extract the internal mechanism, remove the three desiccant bags and reinstall the breather. 5 string buses.
ITS61123
Instruction to Service for updating the battery program on certain ELFA3 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.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.