Chrysler Pacifica 2016–2021 — technical service bulletin
Bulletin 04-001-21 · NHTSA communication 10218584 · issued Aug 20, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2021
model years
26
vehicle entries
Official summary
Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
Vehicles covered
- 2017 Chrysler Pacifica
- 2018 Chrysler Pacifica
- 2019 Chrysler Pacifica
- 2020 Chrysler Pacifica
- 2021 Chrysler Pacifica
- 2016 Dodge Durango
- 2017 Dodge Durango
- 2018 Dodge Durango
- 2019 Dodge Durango
- 2020 Dodge Durango
- 2021 Dodge Durango
- 2020 Jeep Gladiator
- 2021 Jeep Gladiator
- 2016 Jeep Grand Cherokee
- 2017 Jeep Grand Cherokee
- 2018 Jeep Grand Cherokee
- 2019 Jeep Grand Cherokee
- 2020 Jeep Grand Cherokee
- 2021 Jeep Grand Cherokee
- 2018 Jeep Wrangler
- 2019 Jeep Wrangler
- 2020 Jeep Wrangler
- 2021 Jeep Wrangler
- 2019 RAM 1500
- 2020 RAM 1500
- 2021 RAM 1500
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.