DTC B2510: Steering Wheel Controls HVAC Key Stuck: Description

IPC monitors steering wheel control keys input at IPC connector C2, terminal B11 (Dark Blue wire). See Figure . IPC interprets button commands, and sends appropriate message on class 2 serial data line. DTC B2510 will set when IPC determines that steering wheel touch control key for FAN UP (phone), FAN DOWN (recall), TEMP UP (send) or TEMP DOWN (end) is active for more than 12.5 seconds.