Toyota Tundra Service Manual: Poor Sound Quality in All Modes (Low Volume)

PROCEDURE

1.	CHECK AUDIO SETTINGS

(a) Set treble, middle and bass to the initial values and check that the sound is normal.

OK:

The sound returns to normal.

END (AUDIO SETTINGS ARE DEFECTIVE)

2.	COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.

OK:

No difference is found.

END (AUDIO SETTINGS ARE DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Cruise Control Input Circuit (P0575)
DESCRIPTION This DTC is stored when there is a malfunction in the ECM. DTC No. Detection Item DTC Detection Condition Trouble Area P0575 Cruise Control Input Circuit Either of the following conditions is met: When the ignition switch is ON, STP signals received by the ECM supervisory CPU and that re ...

Toyota Tundra Owners Manual