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 > Engine Immobiliser System (w/o Smart Key System): Antenna Coil Open / Short (B2784)
DESCRIPTION When an open or short circuit is detected in the transponder key amplifier built into the transponder key ECU assembly, the transponder key ECU assembly stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2784 Antenna Coil Open / Short The antenna coil in t ...

Toyota Tundra Owners Manual