Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Seat Heater System

DTC No.	Detection Item	Link
B14B5	Lost Communication with Front Seat Temperature Adjustment Switch LIN
B14C0	Front Right Seat Heat Sensor Circuit
B14C1	Front Left Seat Heat Sensor Circuit

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Automatic Transaxle System: Check Mode Procedure
CHECK MODE PROCEDURE DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all of the malfunctions that normal mode can detect. In check mode, DTCs are detected with 1 trip detection logic. CHECK MOD ...

Toyota Avalon (XX50) 2019-2022 Owners Manual