Jeep Wrangler 2026 — technical service bulletin
Bulletin 23-043-26 · NHTSA communication 11037338 · issued Sep 11, 2026
Technical service bulletin
communication type
Structure
component
2026
model years
1
vehicle entries
Official summary
Powertrain Control Module (PCM) Bracket Not Properly Secured Customers may comment on the following: SYMPTOM: ● Buzz, Squeak or Rattle (BSR) from the front of vehicle in the engine compartment. This bulletin involves inspecting and possibly remounting the PCM bracket.
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.