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Home›Trouble codes›P0456› Chrysler
Diagnostic trouble code · Chrysler

P0456 on Chrysler vehicles A very small leak in the evaporative emissions system

P0456 is named on 5 Chrysler model years (2016–2022): 17 manufacturer filings and 0 owner reports in NHTSA’s files, across 300, Pacifica, Town and Country.

Powertrain 5 model years 17 manufacturer filings

Which Chrysler model years name P0456

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2016 Chrysler 300Power Train10—
2019 Chrysler 300Power Train4—
2022 Chrysler 300Power Train1—
2018 Chrysler PacificaEquipment1—
2016 Chrysler Town and CountryFuel/Propulsion System1—

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Power Train 11 Engine 2 Electrical System 2 Equipment 1
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Chrysler filings that name P0456

Source: NHTSA manufacturer communications

Bulletins and campaigns Chrysler filed with NHTSA whose summary names P0456. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P0456 means

Source: SAE J2012 / OBD-II

A very small leak in the evaporative emissions system.

A stored code names the test that failed, never the part that caused it. The record above is what Chrysler and its owners have filed about it; the code’s page across every make has the whole file.

From here
Get a model's new bulletins by email See what owners reported Look up a bulletin by its number Watch a VIN for new recalls

Common questions

Source: NHTSA files and the OBD-II standard

Is P0456 a known problem on Chrysler vehicles?

It is a documented one: NHTSA's files hold 17 manufacturer filings and 0 owner reports naming P0456 on 5 Chrysler model years (2016–2022). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.

Which Chrysler models does P0456 appear on most?

2016 300 (10 documents), 2019 300 (4 documents), 2022 300 (1 document).

Does P0456 on a Chrysler mean it is recalled?

No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.

Where to go next

pages beside this code
Filed alongside P0442 Another code that appears in the same filings and owner reports as P0456.Filed alongside P04F0 Another code that appears in the same filings and owner reports as P0456.Vehicle 2016 Chrysler 300 The model year P0456 is filed against most often.The data Trouble codes by API GET /v1/dtc joins every code to bulletins and owner reports — free tier, no card.