Home1400422 · JEEP
JEEP

1400422

Manufacturer communications

Publication date
2022-03-24
Received by NHTSA
2022-09-26
NHTSA record numbers
10220819 · 10223201 · 10229163

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

Updated Fuel Filler Cap and Fuel Filler Tube This bulletin involves updating the upper fuel filler tube and cap with improved versions. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side. Customers may also comment the following:There is a "Check Gas Cap" message in the Instrument Panel Cluster (IPC).The above condition is caused from an air leak through the fuel filler cap and fuel filler neck seal.

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
JeepWRANGLER2021

Data coverage →