HYUNDAI
21-01-043H
2021-05-27 · NHTSA 10196551
车型关联可作为查阅线索;具体发动机、生产范围和软件条件请核对厂商资料。
厂商摘要
以下为英文原文
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: à ̄‚· 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. à ̄‚· The ECM software also revises the blower motor control duty cycle logic for DTC P1CD0: Air Blower Motor Inverter Performance.
NHTSA 厂商通报资料 ↗仅当厂商、通报编号、发布日期和完整摘要一致时,重复登记才会合并展示,原始编号仍予保留。旧资料继续供查阅;确认明确替代关系后才标示后续版本。1994 年以前的车辆关联与默认结果分开显示;未注明年款不等于适用于所有年款。