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Service bulletin 1400522REVB

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10225276
Published by NHTSA2022-10-31
Manufacturer's number1400522REVB
Manufacturer's date2022-08-12
NHTSA componentFUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING

NHTSA's summary

Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. 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: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Lighting, Fuel tank

Trouble codes named

P0455, P0456, P04EC, P04EE

Vehicles listed
DODGE CHALLENGER2021
JEEP GLADIATOR2021
JEEP WRANGLER2021
RAM 15002021
RAM 25002021
RAM 35002021
RAM 45002021
RAM 55002021
RAM PROMASTER2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
S22250000042022-11-07. Service bulletin. Customer complaint may include MIL-On/check engine lamp-on condition. Upon further inspection, a DTC for P0456-Small Leak Detected may be set in the PCM.
S22080001542022-11-07. Service bulletin. Service Hybrid Electric Vehicle System Message Displayed In The IPC. Vehicle Shakes During A Cold Start And Noise Is Heard Near The P2 Motor. DTC?s U0287-00 And B273C-00
S22080000632022-10-17. Service bulletin. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
S22080000632022-09-26. Service bulletin. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
S2025000001 Rev.2020-12-21. Service bulletin. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.