WenmarOpen by Wenmar Pro

P15AD on the 2023 Toyota Highlander

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P15AD
T-SB-0050-24 Rev22025-01-09. Service bulletin. 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.
T-SB-0050-24 Rev12024-11-08. Service bulletin. 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.

2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.