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December 12, 2024 Service bulletin

MIL ON condition with Diagnostic Trouble Codes (DTCs) P162B87 (Lost Communication with Battery Monitor...

Toyota technical service bulletin T-SB-0050-24 Rev2 for 2022-2024 Toyota Tundra and 2023 Toyota Highlander.

Bulletin number
T-SB-0050-24 Rev2 (T-SB-0050-24 Rev2)
Component
Electrical system
Summary
Some 2022 – 2024 model year Tundra and 2023 model year Highlander vehicles may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P162B87 (Lost Communication with Battery Monitor Module Missing Message) and/or P15AD87 (Active Grille Air Shutter "A" Missing) present. The battery state sensor assembly has been updated to prevent the condition from occurring.

Owners of these vehicles have filed 122 complaints in the electrical category.

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