JEEP

1810723

Manufacturer communications

Publication date: 2023-11-15
Received by NHTSA: 2024-01-16
NHTSA record numbers: 10248927

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 Diagnostic Trouble Codes (DTCs) have been set: ? P0171 - Fuel System 1/1 Lean. ? P0174 - Fuel System 2/1 Lean. This bulletin involves reprogramming the PCM with the latest available software.

NHTSA manufacturer communications ↗

Reported code forms

P0171 P0174

Manufacturer wording

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

JeepP0171

Fuel System 1/1 Lean

NHTSA 10248927 · NHTSA 11001571 · NHTSA 11002070

JeepP0174

Fuel System 2/1 Lean

NHTSA 10248927

Check vehicle applicability

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

Make	Model	Model year
Jeep	GRAND CHEROKEE	2021

Data coverage →