This Service Advisory informs affected owners of model year 2017-2019 J4500 coaches equipped with DDC...
Mci technical service bulletin MCI Field Notes for 2017-2019 Mci J4500.
- Bulletin number
- MCI Field Notes
- Component
- Engine
- Summary
- This Service Advisory informs affected owners of model year 2017-2019 J4500 coaches equipped with DDC GHG17 engines, that the cold weather can bring on a rash of engine codes, notably 3216/16 - SCR inlet NOx Sensor code, which will cause the Maintenance Indicator Light (MIL) to illuminate and could cause a derate of 25% of available power; that DDC has developed an interim solution in the form of a need to apply a test calibration sticker on the engine and a new program upload to the engine that will temporarily suppress the 3216/16 code from illuminating the MIL and avoid the 25% derate. Widespread availability will be a couple of weeks in the process.
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