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Federal filingsHome›Trouble codes› P057C
Diagnostic trouble code

P057C

1 owner report and 26 manufacturer filings across 12 model years from Chevrolet, GMC, Jeep.

Powertrain Generic OBD-II code 26 manufacturer filings 1 owner report

Where P057C shows up

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reportsParts
2016 Chevrolet ExpressElectrical System4—Battery →
2016 Chevrolet SuburbanService Brakes4—Brake pads →
2016 GMC SavanaElectrical System4—Battery →
2017 Chevrolet ExpressPower Train3—
2017 GMC SavanaEngine3—
2018 Chevrolet ExpressElectrical System2—Battery →
2018 GMC SavanaElectrical System2—Battery →
2020 Chevrolet ExpressPower Train1—
2019 Chevrolet ExpressService Brakes1—Brake pads →
2020 GMC SavanaService Brakes1—Brake pads →
2019 GMC SavanaElectrical System1—Battery →
2020 Jeep Gladiator PickupElectrical System—1Battery →

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.

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P057C by make

The same record, one make at a time: the model years, bulletins and owner reports that name P057C on that maker’s vehicles.

Chevrolet 6GMC 5

What it gets filed under

Electrical System 11 Power Train 7 Service Brakes 7 Engine 2

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.

In this order U0121 U1110 U1120 U11BC U12AB P057C (Brake Pedal Sensor Circuit Low) U11BF U0001 High Speed Can Communication Bus P0000
2020 Jeep Gladiator Pickup May 23, 2023 NHTSA owner report

26 manufacturer filings name P057C. Start with what the maker wrote down.

A code names the test that failed, not the part. A bulletin that names it is often a diagnosis someone has already written down — quote its number at the service desk.

Photo: Compagnons / Unsplash

Manufacturer filings that name it

Source: NHTSA manufacturer communications

Service bulletins and campaigns whose filed summary names P057C.

What P057C means

Source: SAE J2012 / OBD-II

P057C 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.

From here

Common questions about P057C

Source: NHTSA files and the OBD-II standard

Can I keep driving with P057C stored?

Nobody can answer that from the code alone, and a site that does is guessing. A steady light means a fault was logged and the car should be checked soon; a flashing light means a severe misfire — slow down and get it seen as soon as possible, because severe misfire can quickly damage the catalytic converter. 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.