Chrysler Pacifica 2023–2024 — technical service bulletin
Bulletin 9100248 · NHTSA communication 10247408 · issued Oct 19, 2023
Technical service bulletin
communication type
Visibility
component
2023–2024
model years
4
vehicle entries
Official summary
Ambient Air Temperature Sensor 2023-24MY RU Ambient Air Temperature Sensor not reading temp correctly or setting DTC P0073, P0070-15. Before ordering a new sensor, make sure to disconnect and connect sensor and drive vehicle for 5 minutes above 15 mph. Make sure there is no water into the sensor or harness connector. Please contact engineer FCA Redacted Content before replacing sensor. If no response in 15 minutes, proceed with repair.
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.