Toyota Highlander
B1650
The diagnostic trouble code (DTC) B1650 for a Toyota Highlander Fourth Generation (2020-present) indicates a malfunction related to the air conditioning (A/C) system, specifically involving the A/C switch signal or the A/C amplifier.
2 SolutionsB-CodeBody
B
Error Code Type
Body
Components
2 affected
HVACElectrical
Symptoms
10 common
- •A/C system not functioning or blowing warm air
- •A/C indicator light not illuminating
- •Inconsistent A/C performance (e.g., intermittent cooling)
- +7 more
Most Affected Generations
1 generation
XU70
2
Top Affected Components
2 components
HVAC
1
Electrical
1
Severity Levels
2 levels
medium
1
high
1
Quick Facts
2
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code B1650 across all generations.
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