Mazda TSB #01-004-20-3684b
2019 Mazda MAZDA3
Affected Component: ELECTRICAL SYSTEM
- Summary
- Some customers may experience the master warning light turning on and a lack of power with DTC P2BF6:00 (Exhaust shutter valve position sensor circuit low input (1DC)) stored in memory. This is caused by improper logic written in the PCM for the exhaust shutter valve position sensor.