Tesla Model Y
B1234
The issue involves diagnosing the HVAC code B1234 in a Tesla Model Y (2020-present), which indicates a fault in the heating, ventilation, and air conditioning system.
1 SolutionB-CodeBody
B
Error Code Type
Body
Components
1 affected
HVAC
Symptoms
5 common
- •HVAC system not functioning as expected (no heating or cooling)
- •Unusual noises from the HVAC unit
- •Inconsistent cabin temperature
- +2 more
Most Affected Generations
1 generation
Current
1
Top Affected Components
1 component
HVAC
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code B1234 across all generations.