Unsticking Ford DEF Indicator

Dec. 6, 2023
Some 2017-2018 Ford F-Super Duty trucks equipped with a 6.7L diesel engine may exhibit a concern where the DEF level indicator appears to be stuck in the full position.

Some 2017-2018 Ford F-Super Duty trucks equipped with a 6.7L diesel engine may exhibit a concern where the DEF level indicator appears to be stuck in the full position.

Reprogram the PCM using the latest level of software.

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

Sponsored Recommendations

Tesla service, repair, and diagnostics

Keep update-to-date on how to maintain your customer's Tesla vehicles.

Tool Review: Ascot Supply 3/4" Drive 600 ft-lbs Split Beam Torque Wrench, No. 168-00600

Reviewed by Eric Moore, manager at DeMary Truck in Columbus, Ohio.

Diagnosing an engine misfire

Recognizing a misfire is the easy part; the challenge is determining its cause.

The ‘Iron Giant’

This technician spent two and half years putting together his ‘giant’ of a toolbox setup.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!