Home08-088-25 · JEEP
JEEP

08-088-25

Manufacturer communications

Publication date
2025-03-28
Received by NHTSA
2025-04-02
NHTSA record numbers
11016246

Manufacturer summary

Original wording in English

"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTC)s have been set:
• P0629 - Fuel Pump Control Circuit High.
• P0171 - Fuel system Lean.
• P0087 - Fuel Rail Pressure Too Low - Bank 1. Customers may also experience one or more of the following:
• Variable speed fuel pump doesn't start after refueling.
• The Instrument Panel Cluster (IPC) unable to calculate the instantaneous fuel economy under heavy acceleration.
• The oxygen sensor can give incorrect values when entering Electric Vehicle (EV) mode. False fault detection is possible when this event occurs.
• The rear half shafts are damaged due to accelerating in drive with the Electronic Parking Brake (EPB) applied. This bulletin involves updating the PCM with the latest available software."

NHTSA manufacturer communications ↗

Reported code forms

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MakeModelModel year
JeepGRAND CHEROKEE2024
JeepGRAND CHEROKEE 4XE2024
JeepGRAND CHEROKEE L2024

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