Jeep Wrangler 2016–2017 — technical service bulletin
Bulletin 9003665 · NHTSA communication 10224691 · issued Aug 16, 2017
Technical service bulletin
communication type
Structure
component
2016–2017
model years
2
vehicle entries
Official summary
Fuel Tank and Fuel Evap System Components 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. If there is flash in the Purge Hose Port of the Intake Manifold and the vehicle is 2016 MY then replace the Intake Manifold and send to QEC. Otherwise, remove the flash with a 5/32? drill bit and clean the Intake Manifold of any flash debris. If the fault code P0441 continues after repairing the Intake Manifold, then send Freeze Frame data of P0441 to [email protected] and contact Sylvia Lopez at cell
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.