New Flyer XE60 2024–2025 — technical service bulletin
Bulletin ITS61994 · NHTSA communication 11037438 · issued Sep 15, 2026
Technical service bulletin
communication type
Fuel/propulsion System
component
2024–2025
model years
2
vehicle entries
Official summary
Instructions to load the latest software to prevent single out-of-range isolation samples from causing low isolation faults
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.