P0404 — 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 P0404 across 8 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 P0404 8 patterns

2022 Kia Sorento

powertrain — Sudden complete loss of engine power on highway

2019 Nissan Altima

engine — Engine stalling and failure to restart

2018 Chevrolet Volt

electrical — Battery Energy Control Module (BECM) Failure

2012 Chevrolet Equinox

powertrain — Excessive Oil Consumption & Timing Chain Failure

2012 Kia Optima

engine — Engine Seizure / Rod Bearing Failure

2006 Chevrolet Equinox

powertrain — EVAP/EGR system and emissions codes

2006 Ford F-250

electrical — Instrument cluster failure

2005 Dodge Ram 1500

engine — Engine stalling at low speeds and stops

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 →