Some customers may experience the master warning light turning on and a lack of power with DTC P2BF6:00...

Bulletin number

01-004-20-3684a

Component

Electrical system: software

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. 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.

Owners of these vehicles have filed 14 complaints in the electrical category.