1990 International School Bus problems, complaints & recalls
Most-reported problem areas: Power Train:automatic Transmission:torque Converter (17)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (16)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train:driveline 2018-11-13 · IK1400005 · Service Bulletin/Repair Instructions
driveline information center and troubleshooting procedures
Equipment:electrical:radio/Tape Deck/Cd Etc. 2018-09-17 · IK0800475 · Service Bulletin/Repair Instructions
radio diagnostics and information
Engine 2018-09-06 · IK1900022 · Service Bulletin/Repair Instructions
a/c refrigerant and oil capacities
Electrical System:software 2018-01-30 · IK4300001 · Service Bulletin/Repair Instructions
updating oncommand link with accelerator
Electrical System:software 2018-01-22 · IK1200921 · Service Bulletin/Repair Instructions
isx, n13, and n9 / n10 aftertreatment private data link troubleshooting
Electrical System:software 2018-01-22 · IK0800080 · Service Bulletin/Repair Instructions
j1939 data link troubleshooting
Showing the 6 most recent of 16 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.