TOYOTA
T-SB-0037-25
Manufacturer communications
- Publication date
- 2025-04-18
- Received by NHTSA
- 2025-05-15
- NHTSA record numbers
- 11018356 · 11019359
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
Some 2024 – 2025 model year Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a condition where the Blind Spot Monitor (BSM) system is inoperative, there is a BSM malfunction message on the multi-information display (MID), or the driving assist information indicator is illuminated, along with one or more of the following Diagnostic Trouble Codes (DTCs) present:
•C1AB413 – Outer Mirror Indicator (Module "B" Side) Circuit Open
•C1AB513 – Outer Mirror Indicator (Module "A" Side) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.
•C1AB413 – Outer Mirror Indicator (Module "B" Side) Circuit Open
•C1AB513 – Outer Mirror Indicator (Module "A" Side) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditions.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Toyota
C1AB413Outer Mirror Indicator (Module "B" Side) Circuit OpenToyota
C1AB513Outer Mirror Indicator (Module "A" Side) Circuit Open The BSM sensor software has been updated to reduce the possibility of these conditionsCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Toyota | GRAND HIGHLANDER | 2025 |
| Toyota | GRAND HIGHLANDER | 2024 |
| Toyota | GRAND HIGHLANDER HYBRID | 2025 |
| Toyota | GRAND HIGHLANDER HYBRID | 2024 |