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Home›Trouble codes›P0440› Dodge
Diagnostic trouble code · Dodge

P0440 on Dodge vehicles A general fault in the evaporative emissions system — the sealed circuit that stops fuel vapour escaping

P0440 is named on 6 Dodge model years (2016–2022): 19 manufacturer filings and 2 owner reports in NHTSA’s files, across Challenger, Charger, Durango.

Powertrain 6 model years 19 manufacturer filings 2 owner reports

Which Dodge model years name P0440

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2019 Dodge ChallengerPower Train9—
2022 Dodge ChallengerPower Train4—
2019 Dodge ChargerEngine4—
2022 Dodge ChargerPower Train2—
2018 Dodge DurangoFuel/Propulsion System—1
2016 Dodge DurangoFuel/Propulsion System—1

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 10 Exterior Lighting 2 Service Brakes 2 Fuel/Propulsion System 2
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Dodge filings that name P0440

Source: NHTSA manufacturer communications

Bulletins and campaigns Dodge filed with NHTSA whose summary names P0440. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P0440 means

Source: SAE J2012 / OBD-II

A general fault in the evaporative emissions system — the sealed circuit that stops fuel vapour escaping.

A stored code names the test that failed, never the part that caused it. The record above is what Dodge 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 P0440 a known problem on Dodge vehicles?

It is a documented one: NHTSA's files hold 19 manufacturer filings and 2 owner reports naming P0440 on 6 Dodge 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 Dodge models does P0440 appear on most?

2019 Challenger (9 documents), 2022 Challenger (4 documents), 2019 Charger (4 documents).

Does P0440 on a Dodge 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 P0716 Another code that appears in the same filings and owner reports as P0440.Filed alongside P0733 Another code that appears in the same filings and owner reports as P0440.Vehicle 2019 Dodge Challenger The model year P0440 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.