Chrysler Pacifica 2022 — technical service bulletin
Bulletin 9004547 · NHTSA communication 10221359 · issued Jun 8, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
2
vehicle entries
Official summary
Ambient Temp Sensor PSU- Pentastar Upgrade Engine - Ambient Temp Sensors After experiencing any P0070-11, P0070-15, P0071, P0072, or P0073 codes, follow the diagnostic procedure. If the procedure directs you to replace the ambient air temp sensor, then please call FCA Redacted Content before replacing the part. If no answer 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.