P050A — Cold start idle air control system performance

Code P050A is a standard OBD-II diagnostic trouble code: Cold start idle air control system performance.

In our record, P050A is reported most often on Kia and Hyundai vehicles , against engine and powertrain failure patterns , across 2012–2019 model years. Kia alone accounts for 80% of them.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P050A across 5 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 P050A 5 patterns

2019 Hyundai Tucson

engine — Excessive oil consumption (internal burning)

2016 Kia Soul

powertrain — Catalytic Converter Clogging and Failure

2015 Kia Soul

electrical — Catalytic Converter Failure and Engine Damage

2014 Kia Soul

powertrain — Check engine light—PO50A code (Cold Start Idle Air Control)

2012 Kia Rio

engine — Cold Start Idle and Check Engine Code P050A

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 →