P0443 — OBD-II trouble code

A generic powertrain OBD-II trouble code. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P0443 across 7 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P0443 7 patterns

2018 Ford Escape

brakes — Complete brake failure during driving

2017 Chevrolet Volt

powertrain — EGR Valve Failure & F3UA Fuse Blowout

2017 Chevrolet Volt

engine — EGR Valve Failure – Sticking/Internal Short

2016 Chevrolet Volt

electrical — EGR Valve Failure (Electrical Short)

2013 Ford Focus

powertrain — Loss of power or transmission engagement at highway speeds

2007 Chevrolet Tahoe

electrical — Instrument Cluster / Digital Information Center (DIC) Failure

2006 Mercury Milan

powertrain — Throttle body failure and loss of power

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →