Toyota Tundra Service Manual: Screen Flicker or Color Distortion

PROCEDURE

1.	CHECK DISPLAY SETTING

(a) Reset the display settings (contrast and brightness) and check that the screen appears normal.

OK:

The display returns to normal.

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Theft Deterrent System Presence Detection (B279C)
DESCRIPTION This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279C Theft Deterrent System Presence Detection An ECM that is incompatible with the engine immobiliser sy ...

Toyota Tundra Owners Manual