Toyota RAV4
B1491
The B1491 code on a 2019-2024 Toyota RAV4 (XA50 generation) indicates a malfunction related to the air conditioning (A/C) system, specifically involving the ambient temperature sensor.
2 SolutionsB-CodeBody
B
Error Code Type
Body
Components
1 affected
HVAC
Symptoms
10 common
- •Check engine light illuminated
- •A/C system may not function properly
- •Inaccurate temperature readings on the dashboard
- +7 more
Most Affected Generations
2 generations
XA50
1
XA40
1
Top Affected Components
1 component
HVAC
2
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 2 of 2 solutions for error code B1491 across all generations.