Ford F-250 SD 2017 — technical service bulletin
Bulletin TSB18-2116 · NHTSA communication 10137121 · issued Apr 19, 2018
Technical service bulletin
communication type
Electrical System
component
2017
model years
6
vehicle entries
Official summary
Some 2017 F-Super Duty vehicles equipped with a 6.7L diesel engine built on or before 24-Oct-2017 may exhibit an inoperative block heater. This can also result in tripping an electrical breaker or a ground fault circuit interrupter (GFCI) outlet. This may be due to water intrusion into the block heater power cord inline connector. Follow the Service Procedure steps to correct the condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.