Home1804023 · JEEP
JEEP

1804023

Manufacturer communications

Publication date
2023-05-13
Received by NHTSA
2023-07-31
NHTSA record numbers
10239947

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: ? **P0300-00 - Multiple Cylinder Misfire. ? P0301-00 - Cylinder 1 Misfire Detected. ? P0302-00 - Cylinder 2 Misfire. ? P0303-00 - Cylinder 3 Misfire ? P0304-00 - Cylinder 4 Misfire. ? P0305-00 - Cylinder 5 Misfire. ? P0306-00 - Cylinder 6 Misfire.** ? P05CC-00 - Cold Start A Camshaft Position Timing Performance Bank 1. Customer may also experience the following: ? Poor or insufficient A/C performance during towing or other high torque maneuvers. ? Belt chirp is heard at startup or when A/C cycles on. This bulletin involves reprogramming the PCM with the latest available software.

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Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
JeepWAGONEER2023

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