Technical Service Bulletin SSM 48537 — 2018 FORD F-550 SD

SSM 48537 - 2017-2019 F-Super Duty - 6.8L - Instrument Cluster Warning Indicators And/Or Radio Inoperative During Snow Plow Operation Some 2017-2019 F-Super Duty vehicles equipped with a 6.8L gas engine may exhibit multiple warning indicators in the instrument panel cluster and/or inoperative radio during snow plow use. Battery state of charge is important to verify prior to any repairs. 12.72v to 12.8v is a fully charged battery. To assist with the investigation use the Report a Vehicle Concern link at the bottom of the OASIS report and include the following information: What brand of plow the vehicle is equipped with, If it's been equipped by the plow manufacturer's specifications, If other equipment is up-fitted on the vehicle, ambient temperature when the concern occurs, Engine RPM and MPH/KPH, and battery state of charge. Note the concern should be duplicated similar to customer use and ambient temperature.