PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary. Key reminder warning system
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Toyota Tundra Service Manual > Key Reminder Warning System: Key Reminder Buzzer does not Sound
DESCRIPTION The key reminder warning buzzer sounds when the driver side door is opened while the ignition switch is in the LOCK or ACC position. The key reminder warning buzzer is activated when the main body ECU (multiplex network body ECU) sends a key switch signal and front door courtesy light sw ...
