TSB 9100498 — Chrysler Service bulletin
9100498 is a service bulletin on file with NHTSA for the Chrysler Pacifica, 2016 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 9100498 names
| Vehicle | Model years |
|---|---|
| Chrysler Pacifica | 2016 |
Every document filed under 9100498
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 9100498 Rev 3 | May 12, 2025 | Service bulletin |
| 9100498 | February 10, 2025 | Service bulletin |
What 9100498 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 9100498?
9100498 is a service bulletin filed with NHTSA by Chrysler, covering the Chrysler Pacifica across the 2016 model years. NHTSA's summary reads: 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine…
Which vehicles does 9100498 cover?
NHTSA's file names Chrysler Pacifica (2016). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB 9100498 a recall, and is the repair free?
No. 9100498 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of 9100498?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 9100498, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 9100498. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.