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 > Occupant Classification System: Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION During sleep mode, the occupant classification ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is set. DTC Code DTC Detection Condition Trouble Area B1796 Occupant clas ...

Toyota Tundra Owners Manual