Toyota Tundra Service Manual: No Sound can be Heard from Speakers

PROCEDURE

1.	CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal.

OK:

Audio and visual system returns to normal.

END (SETTINGS ARE DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Can Communication System: Lost Communication with Tilt and Telescopic Module (U1115)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area U1115 There is no communication from the multiplex tilt and telescopic ECU. Outer multiplex tilt and telescopic ECU CAN branch wire or connector Power source or inside of multiplex tilt and telescopic ECU Multiplex tilt and telescopic ECU grou ...

Toyota Tundra Owners Manual