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P20E8 on Ram vehicles

P20E8 is named on 10 Ram model years (2017–2026): 55 manufacturer filings and 0 owner reports in NHTSA’s files, across 1500, 2500, 3500.

Powertrain 10 model years 55 manufacturer filings

Which Ram model years name P20E8

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2020 Ram 1500Fuel/Propulsion System9—
2019 Ram 1500Service Brakes9—
2018 Ram 1500Fuel/Propulsion System9—
2017 Ram 1500Exterior Lighting9—
2021 Ram 1500Fuel/Propulsion System6—
2026 Ram 2500Electrical System3—
2026 Ram 3500Electrical System3—
2025 Ram 2500Electrical System3—
2025 Ram 3500Electrical System3—
2026 Ram 1500Electrical 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.

Fuel/Propulsion System 15 Electrical System 13 Service Brakes 7 Engine 5
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Ram filings that name P20E8

Source: NHTSA manufacturer communications

Bulletins and campaigns Ram filed with NHTSA whose summary names P20E8. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P20E8 means

Source: SAE J2012 / OBD-II

P20E8 sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.

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

From here

Common questions

Source: NHTSA files and the OBD-II standard

Is P20E8 a known problem on Ram vehicles?

It is a documented one: NHTSA's files hold 55 manufacturer filings and 0 owner reports naming P20E8 on 10 Ram model years (2017–2026). 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 Ram models does P20E8 appear on most?

2020 1500 (9 documents), 2019 1500 (9 documents), 2018 1500 (9 documents).

Does P20E8 on a Ram 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.