Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Lighting System

DTC No.	Detection Item	Link
B1244	Light Sensor Circuit Malfunction
B124B	Automatic High Beam System
B124C	Automatic High Beam Camera
B2430	LED Headlight LH Circuit Malfunction
B2431	LED Headlight RH Circuit Malfunction
U023A	Lost Communication With Image Processing Module "A"

Toyota Tundra Service Manual > Air Conditioning System(for Automatic Air Conditioning System): Solar Sensor Circuit (Driver Side) (B1424/24)
DESCRIPTION The solar sensor, which is installed on the upper side of the instrument panel, detects sunlight and controls the air conditioning in AUTO mode. The output current from the solar sensor varies according to the amount of sunlight. When the sunlight increases, the output current increases. ...

Toyota Tundra Owners Manual