The defect
Navistar, Inc. (Navistar) is recalling certain 2017-2020 IC Bus CESB school buses equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electrical wiring within the fuel heater may overheat and may cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.
The risk
A fire increases the risk of injury. An engine stall can increase the risk of crash.
The remedy
Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| IC Bus CE | 2017, 2018, 2019 |
| IC Bus Cesb | 2017, 2018, 2019, 2020 |
Components: FUEL SYSTEM, DIESEL: PRE-HEATER
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| IC Bus CE | 2017 | 0 | 4 |
| IC Bus CE | 2018 | 0 | 7 |
| IC Bus CE | 2019 | 0 | 8 |
| IC Bus Cesb | 2017 | 0 | 14 |
| IC Bus Cesb | 2018 | 0 | 12 |
| IC Bus Cesb | 2019 | 0 | 16 |
| IC Bus Cesb | 2020 | 1 | 12 |
Other fuel system, diesel recalls in 2019
5 of the 880 recall campaigns reported to NHTSA in 2019 concerned the fuel system, diesel; Navistar, Inc. filed 183 campaigns in all.
| 19V798000 7 Nov 2019 | Daimler Vans USA, LLC |
| 19V498000 27 Jun 2019 | Chrysler (FCA US LLC) |
| 19V395000 24 May 2019 | Forest River, Inc. |
| 19V216000 20 Mar 2019 | Navistar, Inc. |
NHTSA recalls (public domain) · all recalls of 2019