Chrysler Pacifica 2017 — technical service bulletin
Bulletin 18-054-17 REV. A · NHTSA communication 10219897 · issued Jun 17, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
2
vehicle entries
Official summary
Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:U1431 - Implausible Data Received From Cruise Control Module.P24B9 - EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance. P0300 - Multiple Cylinder Misfire. P1C64-00 - Hybrid Perf Engine Speed Below Target During Auto
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.