6.7L – Diesel Exhaust Fluid (DEF) Level Indicator Stuck At Full – 2017-2018 Ford F-Super Duty

2018 Ford F-Super Duty

NHTSA ID Number: 10149750 Manufacturer Communication Number: TSB 18-2278   Summary Some 2017-2018 F-Super Duty vehicles equipped with a 6.7L engine may exhibit a concern where the DEF level indicator appears to be stuck in the full position. Follow the Service Procedure steps to correct the condition.     6 Affected Products Vehicles MAKE MODEL YEAR FORDRead more