ITS61063
Service Bulletin/Repair Instructions
Instructions to Service to remove bypassed engine calibration from ECM and replace DEF sensor as required.
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.
ITS61063
Instructions to Service to remove bypassed engine calibration from ECM and replace DEF sensor as required.
ITS60778
Instruction to Service to replace bracket to provide additional clearance on HVAC cable.
ITS59076
Technical instruction describing how to replace specified street and curbside front headlamps.
ITS58848
Technical Instruction describing how to remove and replace the drivers barrier upper door frame assembly.
ITS58663
Technical Instruction describing how to replace the kneeling buzzer.
ITS6914
This Maintenance Instruction Describes How to Remove and Install Streetside and Curbside Windshield Wiper Idler Arm Assemblies.
SMB180
This Service Manual Bulletin Provides Updated Preventive Maintenace Interval for the Crankcase Breather Tube Element on Buses Equipped with a Cummins Diesel ISL 07 or ISL 09 Engine.
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.