Home18-025-25 · JEEP
JEEP

18-025-25

Manufacturer communications

Publication date
2025-05-18
Received by NHTSA
2025-05-20
NHTSA record numbers
11018489

Manufacturer summary

Original wording in English

"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0629 - Fuel Pump Control Circuit High.
• P0171 - Fuel system Lean.
• P0087 - Fuel Rail Pressure Too Low – Bank 1.
• P16F0-00 - SPI Comm Hardware Fault. Customers may also experience one or more of the following:
• **Engine No Start.**
• The rear shafts can be damaged from pressing the accelerator while in gear with the Electronic Parking Brake (EPB) applied.
• Oxygen sensors can give wrong values entering EV mode. False fault detection is possible.
• The Instrument Panel Cluster (IPC) is unable to calculate the instantaneous fuel economy when under heavy acceleration.
• Variable Speed Fuel Pump doesn’t operate after refuel **This bulletin involves inspecting and possibly updating the PCM with the latest available software.**"

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

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

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepGRAND CHEROKEE2023
JeepGRAND CHEROKEE 4XE2023

Data coverage →