ITS61756
Service Bulletin/Repair Instructions
Instructions to remove OEM pump and replace with a pump with updated firmware.
Vehicle report
2026 NEW FLYER XDE35
Service bulletins
4 bulletinsTechnical 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.
ITS61673
Service Bulletin/Repair Instructions
Instructions for removing the HVDM box for supplier component replacement.
ITS61591
Service Bulletin/Repair Instructions
Instructions to verify steering column shaft collar pinch bolt installation.
TSIB 26-02
Service Bulletin/Repair Instructions
Bulletin describing the proper de-aeration for Allison EGEN Flex Hybrid coolant loops.
Reading this report
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.