DTC B15F7: Certification ECU Vehicle Information Reading/Writing Process Malfunction [08/2015 - 08/2021]: Description

This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system (w/ Navigation System) vehicle customization screen.

HINT: 

The certification ECU (smart key ECU assembly) controls the smart access system with push-button start (for Entry Function) related items that are customizable via the multi-display assembly screen.