Toyota Tundra Service Manual: Receiver Error (C2176/76)

DESCRIPTION

Tire pressure warning valve and transmitter signals are transmitted to the tire pressure warning ECU and receiver in the vehicle as radio waves.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
C2176/76	Receiver Error	Malfunction in the tire pressure warning ECU and receiver internal circuit	Tire pressure warning ECU and receiver	-

CAUTION / NOTICE / HINT

NOTICE:

When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

PROCEDURE

1.	CHECK DTC OUTPUT (C2176/76)

(a) Clear the DTCs.

Click here

(b) Turn the ignition switch off.

Click here

OK:

DTC C2176/76 is not output.

USE SIMULATION METHOD TO CHECK

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

Toyota Tundra Service Manual > Audio And Visual System: Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION Audio function: This circuit is necessary for the automatic sound levelizer (ASL) built into the radio and display receiver assembly. ASL function: Speed signals are received from the combination meter assembly and used for the ASL. The ASL function automatically adjusts the sound volume ...

Toyota Tundra Owners Manual