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

DIAGNOSTIC TROUBLE CODE CHART

Occupant Classification System

DTC No.	Detection Item	Link
B1771	Passenger Side Buckle Switch Circuit Malfunction
B1780	Front Occupant Classification Sensor LH Circuit Malfunction
B1782	Rear Occupant Classification Sensor LH Circuit Malfunction
B1785	Front Occupant Classification Sensor LH Collision Detection
B1787	Rear Occupant Classification Sensor LH Collision Detection
B1795	Occupant Classification ECU Malfunction
B1798	Yaw Rate Sensor Module Malfunction
B1799	Vehicle Stability Control ECU Malfunction
U0125	Lost Communication with Multi-axis Acceleration Sensor Module
U0129	Lost Communication with Brake System Control Module

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Thermostat Heater Control Circuit Short to Ground or Open (P059714)
DESCRIPTION Refer to DTC P059712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P059714 Thermostat Heater Control Circuit Short to Ground or Open Open or short in thermostat heater circuit and power supply circuit (1 trip detection logic). Open or short in th ...

Toyota Avalon (XX50) 2019-2022 Owners Manual