Chrysler Pacifica 2018–2023 — technical service bulletin
Bulletin 9100143 · NHTSA communication 10239855 · issued May 2, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2023
model years
29
vehicle entries
Official summary
PSU right intake camshaft Case 1) If you are to flash the PSU (Pentastar Upgrade Engine) PCM due to P0300 code presence, only AB or previous LEVEL PSU right intake camshaft PN 05047913AA or AB (old version) should be replaced. If the engine is equipped with the AC/AD LEVEL PSU right intake camshaft PN 05047913AC or AD (new version), camshaft should NOT be replaced. Case 2) If the intake camshaft or intake rocker arm has excessive wear on the high lift profile (Rocker arm: slider, Camshaft: central lobe), replace the intake camshaft (1) in that cylinder head and all intake rocker arms (6).
Vehicles covered
- 2018 Chrysler Pacifica
- 2019 Chrysler Pacifica
- 2020 Chrysler Pacifica
- 2021 Chrysler Pacifica
- 2022 Chrysler Pacifica
- 2023 Chrysler Pacifica
- 2020 Chrysler Voyager
- 2021 Chrysler Voyager
- 2022 Chrysler Voyager
- 2023 Chrysler Voyager
- 2018 Dodge Durango
- 2019 Dodge Durango
- 2020 Dodge Durango
- 2021 Dodge Durango
- 2022 Dodge Durango
- 2023 Dodge DURANGO1
- 2018 Jeep Wrangler
- 2019 Jeep Wrangler
- 2020 Jeep Wrangler
- 2021 Jeep Wrangler
- 2022 Jeep Wrangler
- 2023 Jeep Wrangler
- 2019 RAM 1500
- 2020 RAM 1500
- 2021 RAM 1500
- 2022 RAM 1500
- 2023 RAM 1500
- 2022 RAM Promaster
- 2023 RAM Promaster
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.