ACURA

Service Bulletin

Manufacturer communications

Publication date: 2014-12-19
Received by NHTSA: 2017-08-15
NHTSA record numbers: 10115208

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

P0455 P0456

Manufacturer wording

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

AcuraP0455

EVAP system large leak

NHTSA 10115208 · NHTSA 10118837 · NHTSA 10129554

AcuraP0456

EVAP system very small leak detected

NHTSA 10115208 · NHTSA 10118837 · NHTSA 10129554

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
Acura	RDX	2015
Acura	RDX	2014
Acura	RDX	2013

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