P2BF6 · 厂商技术资料

MAZDA · 2023-09-28

Permanent updates to these procedures in the WSM are in progress and once complete this Service Alert will be unpublished. While these updates are being completed please see the procedures for DTC's P2BF5, P2BF6 and P2BF7 below.

MAZDA · 2020-07-16

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.

MAZDA · 2020-06-22

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. The PCM software has been modified to avoid the unnecessary warning light illumination and power restriction with no modification to the cylinder deactivation function and the error detection logic has been changed not to detect false error under low voltage during cranking.

MAZDA · 2020-02-25

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. The PCM software has been modified to avoid the unnecessary warning light illumination and power restriction with no modification to the cylinder deactivation function.