Toyota Tundra Service Manual: Pressing Power Switch does not Turn on System

PROCEDURE

1.	CHECK VEHICLE CONDITION

(a) Check that conditions in the cabin are not likely to cause condensation.

HINT:

This problem occurs when the cabin is humid and the temperature changes rapidly. This may produce condensation, resulting in a short circuit.

OK:

Condensation is not likely to be produced.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

DRY OUT CABIN AND RECHECK CONDITION

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 ...

Toyota Tundra Owners Manual