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 > Power Window Control System(w/o Jam Protection Function): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the power window control system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before procee ...

Toyota Tundra Owners Manual