PROCEDURE
(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.
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Toyota Tundra Service Manual > Can Communication System: Main Body ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Main Body" is indicated on the "Communication Bus Check" screen of the Techstream. Communication system DTCs (DTCs that start with U) that correspond ...
