Ford F-250 SD 2017 — technical service bulletin
Bulletin SSM 46503 · NHTSA communication 10100521 · issued Mar 30, 2017
Technical service bulletin
communication type
Equipment
component
2017
model years
6
vehicle entries
Official summary
Some 2017 f-series super duty pickups equipped with a rear auxiliary power point and built on or before 20-feb-2017 may remain running after the ignition is turned off. Prior to performing any diagnostics, inspect the rear auxiliary power point for any aftermarket devices that can supply voltage back into the vehicle. Items such as a battery jump pack can induce voltage that will simulate key on status and prevent the powertrain control module (pcm) from shutting off the engine. If no aftermarket devices can be located, refer to workshop manual (wsm), section 211-05 for normal diagnostics.
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.