REMOVAL PROCEDURE 1. REMOVE FRONT ARMREST UPPER BASE PANEL LH
2. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DOOR CONTROL SWITCH ASSEMBLY)
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Toyota Tundra Service Manual > Meter / Gauge System: Lost Communication with Front Camera Module (U023A)
DESCRIPTION The combination meter assembly communicates with the forward recognition camera via the CAN line. DTC Code DTC Detection Condition Trouble Area U023A When either of following conditions is detected: IG voltage 10.5 V or more No communication with forward recognition camera continues for ...