DESCRIPTION This DTC is stored when a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ECU assembly.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Clear the DTCs. Click here
(a) Insert and remove each registered key one at a time, and check for DTCs each time. Click here HINT:
OK: DTC B2796 is not output.
(a) Replace the transponder key ECU assembly with a new one. Click here
(a) Register the key. Click here
(a) Register the ECU communication ID. Click here
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here HINT: Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure. OK: DTC B2796 is not output.
(a) Replace the key for which the DTC was stored. Click here
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here HINT: Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure. OK: DTC B2796 is not output.
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Toyota Tundra Service Manual > Maintenance: Outside Vehicle
General MaintenanceGENERAL MAINTENANCE CAUTION / NOTICE / HINT Performing the following maintenance checks on the vehicle is the owner's responsibility. The owner may perform the maintenance or take the vehicle to a service center. Check the parts of the vehicle described below on a daily basis. In ...