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Diagnostic trouble code

P0846

2 owner reports and 44 manufacturer filings across 29 model years from Nissan, Subaru.

PowertrainGeneric OBD-II code44 manufacturer filings2 owner reports

Where P0846 shows up

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2017 Nissan VersaPower Train8
2016 Nissan VersaPower Train8
2017 Nissan SentraPower Train21
2016 Nissan SentraPower Train2
2019 Nissan SentraPower Train1
2024 Subaru AscentElectrical System1
2023 Subaru AscentElectrical System1
2022 Subaru AscentPower Train1
2021 Subaru AscentElectrical System1
2020 Subaru AscentPower Train1
2019 Subaru AscentElectrical System1
2024 Subaru CrosstrekElectrical System1
2023 Subaru CrosstrekElectrical System1
2022 Subaru CrosstrekElectrical System1
2021 Subaru CrosstrekPower Train1
2020 Subaru CrosstrekElectrical System1
2024 Subaru ForesterElectrical System1
2023 Subaru ForesterElectrical System1
2022 Subaru ForesterPower Train1
2024 Subaru ImprezaElectrical System1
2024 Subaru LegacyPower Train1
2023 Subaru LegacyElectrical System1
2022 Subaru LegacyPower Train1
2021 Subaru LegacyPower Train1
2020 Subaru LegacyPower Train1
2024 Subaru OutbackElectrical System1
2023 Subaru OutbackPower Train1
2022 Subaru OutbackPower Train1
2021 Subaru OutbackPower Train1

A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.

What it gets filed under

Power Train 30Electrical System 13Equipment 2Engine 1
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What owners said

Source: NHTSA complaint database

Owners’ own words, one per nameplate, scrubbed of anything identifying. These are unverified reports filed with NHTSA — they are what was said, not a finding that it was true.

The codes: P0846 - transmission fluid pressure sensor / switch B, C1130 - engine signal 1, and C1116 - stop lamp switch show up
2017 Nissan SentraMay 28, 2025NHTSA owner report

Manufacturer filings that name it

Source: NHTSA manufacturer communications

Service bulletins and campaigns whose filed summary names P0846. Quoting the document number at a service desk is often the fastest route to a diagnosis someone has already written down.

What P0846 means

Source: SAE J2012 / OBD-II

P0846 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. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.

Common questions about P0846

Source: NHTSA files and the OBD-II standard

Can I keep driving with P0846 stored?

Nobody can answer that from the code alone, and a site that does is guessing. A steady light generally means the fault was logged and the vehicle is in a reduced-risk mode; a flashing light means stop soon, because a misfiring engine can destroy a catalytic converter in minutes. The safe read of this page is the mileage and the components, not permission.

Does a code mean the car is recalled?

No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.

Why do the counts here differ from other sites?

Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.

Will clearing the code fix it?

Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.