DTC B2511: Steering Wheel Controls Convenience Key Stuck: Description

IPC monitors steering wheel control keys input at IPC connector C2, terminal B11 (Dark Blue wire). IPC interprets button commands, and sends appropriate message on class 2 serial data line. DTC B2511 will set when IPC determines that VOLUME UP, VOLUME DOWN, SELECT UP or SELECT DOWN is active for more than 5 seconds.