MAZDA

MSP58

2021-06-29 · NHTSA 10198620

목록의 차량은 조사 단서입니다. 제조사 자료에서 엔진, 생산 기간, 소프트웨어 조건을 확인하세요.

제조사 요약

영어 원문

MSP58 - DOSING CONTROL UNIT REPROGRAMMING. On the subject CX-5 vehicles, diagnosis for the Selective Catalytic Reduction (SCR) system failure may not function properly, leading to an inappropriate/delayed failure detection of the Dosing Control Unit (DCU), with codes DTC P2048 and DTC P229F. Mazda Motor Corporation has decided to conduct a Mazda Service Program (MSP) on certain 2019 CX-5 Diesel-fueled vehicles produced from March 23, 2018 through July 31, 2019. DTC P2048:00 - Urea injector circuit low input. Normally the diagnosis of urea injector coil resistance activates while the injector is operating and detects a failure based on the electric current value in the injector coil. On the subject vehicles, the diagnosis activates also while the injector is not operating due to inappropriate software of DCU, which allows the coil resistance to be temporarily judged to be normal, even if any abnormality occurs in the coil resistance value. DTC P229F:00 - NOx sensor No.2 system: NOx concentration malfunction. Normally the diagnosis of NOx sensor output characteristics (gain diagnosis) activates during IG-OFF and detects a failure based on the output value (gain value) of NOx sensor. On the subject vehicles, if a significant fluctuation occurs in the output value, the diagnosis may not be completed within the timing due to inappropriate software of DCU. This can cause delayed detection of sensor failure and lead to a delayed MIL illumination.

제조사, 번호, 발행일, 전체 요약이 같은 등록만 묶고 원래 번호를 보존합니다. 과거 자료도 유지하며 확인된 명시적 후속판만 표시합니다. 1994년 이전 관계는 기본 결과와 분리합니다. 연식 미기재는 모든 연식 적용이 아닙니다.