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 > Tire Pressure Warning System: Transmitter ID not Received in Main Mode (C2126/26)
DESCRIPTION After the tire pressure warning valve and transmitter ID registration is completed using the Techstream or ID registration was canceled via the automatic ID registration function, DTC C2126/26 is output from the tire pressure warning ECU and receiver. After ID registration is complete us ...

Toyota Tundra Owners Manual