Toyota Camry
B1242
The trouble code B1242 indicates a problem with the air conditioning (A/C) system in a Toyota Camry Eighth Generation (2018-present), specifically related to the solar sensor circuit.
8 SolutionsB-CodeBody
B
Error Code Type
Body
Components
2 affected
HVACElectrical
Symptoms
10 common
- •Air conditioning not cooling effectively
- •A/C compressor not engaging
- •Dashboard display showing incorrect temperature readings
- +7 more
Most Affected Generations
3 generations
XV70
3
XV80
3
XV50
2
Top Affected Components
2 components
HVAC
4
Electrical
4
Severity Levels
2 levels
medium
7
critical
1
Quick Facts
8
Total Solutions
2
Affected Components
10
Common Symptoms
3
Generations
All Solutions
Showing 8 of 8 solutions for error code B1242 across all generations.