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Service bulletin Service Bulletin

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 id10115208
Published by NHTSA2017-08-15
Manufacturer's numberService Bulletin
Manufacturer's date2014-12-19
NHTSA componentFUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

NHTSA's summary

Service bulletin - The TIGHTEN FUEL CAP message is on or DTC P0455 (EVAP system large leak) and/or DTC P0456 (EVAP system very small leak detected) set. During short drive cycles, the PCM may misinterpret inputs from the evaporative system.

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, Fuel tank

Trouble codes named

P0455, P0456

Vehicles listed
ACURA RDX2013, 2014, 2015

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
DLR-02-03-20162021-05-08. Service bulletin. Background American Honda (AHM) is investigating certain 2014-2016 RDXs with evidence of fuel leak from the fuel tank to the fuel pump connection. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
DLR-03-29-20162021-05-08. Service bulletin. American Honda (AHM) is investigating certain 2014-2016 RDXs with evidence of fuel leak from the fuel tank to the fuel pump connection. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
B-PAS-02192016-92017-05-18. Service bulletin. DEALER MESSAGE - AMERICAN HONDA (AHM) IS INVESTIGATING CERTAIN 2014-2016 RDXS WITH EVIDENCE OF FUEL LEAK FROM THE FUEL TANK TO THE FUEL PUMP CONNECTION. TO FULLY UNDERSTAND THE CAUSE OF THIS CONDITION, AHM WOULD LIKE TO COLLECT SPECIFIC PARTS FROM THE VEHICLE PRIOR TO YOU ATTEMPTING A REPAIR OF ANY KIND.
BER16020A2017-01-04. Service bulletin. ENGINEERING REQUEST FOR INVESTIGATION - PLEASE CALL HONDA TO DISCUSS ANY FUEL LEAKS FROM THE FUEL TANK TO THE FUEL PUMP CONNECTION.