Ford Explorer
B1234
The B1234 code on the 2020-present Ford Explorer indicates an issue with the battery monitoring system, specifically related to the battery voltage or the battery management module.
11 SolutionsB-CodeBody
B
Error Code Type
Body
Components
2 affected
ElectricalHVAC
Symptoms
10 common
- •Check battery warning light illuminated on the dashboard
- •Inconsistent starting issues (slow crank or no start)
- •Electrical system malfunctions (e.g., radio or lights flickering)
- +7 more
Most Affected Generations
2 generations
U502
6
U625
5
Top Affected Components
2 components
Electrical
10
HVAC
1
Severity Levels
3 levels
medium
5
high
5
critical
1
Quick Facts
11
Total Solutions
2
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 11 of 11 solutions for error code B1234 across all generations.