Jeep Wrangler 2016–2017 — technical service bulletin
Bulletin 9003768 · NHTSA communication 10224690 · issued Aug 16, 2017
Technical service bulletin
communication type
Fuel System, Gasoline
component
2016–2017
model years
2
vehicle entries
Official summary
Fuel Tank 1) Before replacing this part due to fault code P0441, check for restriction due to plastic over-flash in the Purge Hose Port of the Intake Manifold for the ERB (3.6L engine only). If there is flash in the Purge Hose Port of the Intake Manifold, then remove the flash with a 5/32? drill bit and clean the Intake Manifold of any flash debris. 2) Before replacing this part due to ?Hard to Fuel Fill? condition, check the Fuel Filler Tube for restriction in the Vent Tube. If there is blockage, then replace the Fuel Filler Tube. Contact Sylvia H. Lopez at (248) 520-9734 before replacing the
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.