# P016C on the 2021 Hyundai Elantra

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

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## Bulletins for this model year that name P016C

- [10196551](https://open.wenmarpro.com/bulletins/10196551), 2021-06-10: This bulletin provides information related to the Engine Control Module \(ECM\) software update for 2021MY Elantra \(CN7/CN7A\) vehicles equipped with the 2.0L engine to update the ECM logic for the following conditions and DTCs: • Incorrect learning of the fuel adaptive values can occur if the engine is started at 14⁰F \(\-10⁰C\) or colder ambient temperatures. If incorrect values are learned, the engine may stall when coming to a stop or at idle. DTC P016C: Closed Loop Air/Fuel Ratio Control at Limit\-System Too Lean may be detected. The ECM software revises the logic for fuel adaptation learning and improves engine performance at idle. • The ECM software also revises the blower motor control duty cycle logic for DTC P1CD0: Air Blower Motor Inverter Performance.