ITS61960
Service Bulletin/Repair Instructions
Update logic to allow bus to kneel before front door is opened per customer request.
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.
ITS61960
Update logic to allow bus to kneel before front door is opened per customer request.
ITS61756
Instructions to remove OEM pump and replace with a pump with updated firmware.
TSIB 26-02
Bulletin describing the proper de-aeration for Allison EGEN Flex Hybrid coolant loops.
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.