1. Due to inappropriate software of the powertrain control module (PCM), the automatic idling restart (IR) may fail to restart the engine after idle stopping (i-stop), causing it to stall and increasing the risk of an accident;
2. Due to inappropriate software, the powertrain control module (PCM) may incorrectly judge the half clutch condition as a clutch disengaged condition and lower the engine torque to reduce the engine speed to idling condition.
This can cause the engine to stall, increasing the risk of an accident.
The Mazda 3 models affected by this recall were manufactured from 7 November 2018 to 5 September 2019 (Mazda 3 with M Hybrid and Manual Transmission), From 8 November 2018 to 3 July 2019 (Mazda 3 with M Hybrid).
Model series BP equipped with Mazda M Hybrid and automatic idling restart (IR) system.
Mazda recall code: 20SMD-006
Source: Rapex Alert 23/2020 A12/00823/20