Toyota Tundra intermittent alarm issue after deer collision repair on Toyota Tundra

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Toyota Tundra owners report experiencing intermittent alarm issues following deer collision repairs, which may be triggered by faulty sensors in the doors, hood, or trunk. Common causes include problems with the 12V battery, leaving the dome light on, low key fob battery, accidental pressing of the panic button, or incorrectly installed aftermarket alarms. Owners are advised to check and replace the batteries in both the vehicle and key fob, as these can lead to false alarms. Additionally, some owners find that alarms may falsely trigger due to remote battery issues or intermittent shorts in the vehicle's electrical system. If the alarm problems began after repairs, it is recommended to inspect the repair areas to ensure that wiring or sensor connections were not disturbed, as these could contribute to the intermittent alarm issues. Addressing these potential causes systematically is essential for troubleshooting and resolving the problem.

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