Toyota TSB #T-TT-0625-20
2021 Toyota Corolla Hybrid
Affected Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- TT: A 12V Battery Discharged and / or Dead condition can be due to multiple causes. In order to properly diagnose and determine the root cause it?s important to follow a structured process to identify any contributing issues and determine the proper remedy.