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Home›Trouble codes›P0557› Chevrolet
Diagnostic trouble code · Chevrolet

P0557 on Chevrolet vehicles

P0557 is named on 7 Chevrolet model years (2018–2021): 28 manufacturer filings and 0 owner reports in NHTSA’s files, across Traverse, Blazer, Equinox.

Powertrain 7 model years 28 manufacturer filings

Which Chevrolet model years name P0557

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2018 Chevrolet TraverseEquipment8—
2020 Chevrolet BlazerService Brakes4—
2020 Chevrolet TraverseEquipment4—
2019 Chevrolet BlazerService Brakes4—
2019 Chevrolet TraverseService Brakes4—
2021 Chevrolet EquinoxEngine2—
2020 Chevrolet EquinoxEngine2—

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.

Service Brakes 9 Equipment 6 Engine 6 Electrical System 4
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Chevrolet filings that name P0557

Source: NHTSA manufacturer communications

Bulletins and campaigns Chevrolet filed with NHTSA whose summary names P0557. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

What P0557 means

Source: SAE J2012 / OBD-II

P0557 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 Chevrolet 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 P0557 a known problem on Chevrolet vehicles?

It is a documented one: NHTSA's files hold 28 manufacturer filings and 0 owner reports naming P0557 on 7 Chevrolet model years (2018–2021). 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 Chevrolet models does P0557 appear on most?

2018 Traverse (8 documents), 2020 Blazer (4 documents), 2019 Blazer (4 documents).

Does P0557 on a Chevrolet 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 P0300 Another code that appears in the same filings and owner reports as P0557.Filed alongside B3055 Another code that appears in the same filings and owner reports as P0557.Vehicle 2018 Chevrolet Traverse The model year P0557 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.