DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Rear View Monitor System
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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 ...
