MCI Field Notes

Service Bulletin Details

Public Details for: MCI Field Notes

This service advisory informs affected customers that mci and detroit diesel have been taking steps to correct fault codes reported by the detroit dd13 engine motor control module (mcm) and aftertreatment control module (acm) resulting in m


- 2018 - 2017 - 2016 -

Models from 2018
2018 MCI J4500
Models from 2017
2017 MCI J4500
Models from 2016
2016 MCI J4500 
Status of Resolution of DETROIT® Diesel GHG17 Engine Software Updates
MCI and DETROIT® have been taking steps to correct fault codes reported by the DETROIT® DD13
Engine Motor Control Module (MCM) and Aftertreatment Control Module (ACM) resulting in
Malfunction Indicator Lamp (MIL), Check Engine Lamp (CEL), and eventual engine de-rates. We
are pleased to report that a final ACM software update has been created, targeting 100%
effectiveness. This ACM software update will be deployed for testing and validation from early
January to the end of March 2018. Upon successful validation, the process of updating all engines
should begin in May 2018. During this period, you should continue to expect your coaches to
operate normally with no further issues related to MCM and ACM fault codes and engine derates.
MCI and DETROIT® will update progress on this testing and validation at the end of the March
2018 or sooner if any issues occur. Details of the process to update software on your coaches
will be provided to you in early May 2018.
Thanks you for your patience. If you have any questions regarding the information contained in
this letter please contact us.
Thanks and Best Regards,
Steve Batho
Director, Customer Service
Motor Coach Industries
Mobile: 204-295-9772
Office: 905-655-2415
E-Mail: [email protected]
MOTOR COACH INDUSTRIES
200 East Oakton Street
Des Plaines, IL 60018
TOLL FREE
866 624 2622
www.mcicoach.com

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