The intent of Service Memorandum SM1906 is to make Blue Bird dealers aware that Cummins has released a...
Blue Bird technical service bulletin SM1906 for 2017-2019 Blue Bird All American, 2017-2019 Blue Bird Vision and 2020 Blue Bird All American School Bus and others.
- Bulletin number
- SM1906
- Component
- Power train
- Summary
- The intent of Service Memorandum SM1906 is to make Blue Bird dealers aware that Cummins has released a calibration update improvement to reduce occurrence of “Engine fault codes 3555 and 3556” on Cummins diesel engines with the following base ECM calibrations, "HC80145 thru HC80250 and HB80104 thru HC80195"
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