BMW 5 Series
P0138
The P0138 code indicates a high voltage signal from the oxygen sensor circuit in the BMW 5 Series F10/F11, typically related to the downstream oxygen sensor (O2 sensor). This can lead to poor fuel economy and increased emissions.
2 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Symptoms
7 common
- •Check engine light illuminated
- •Decreased fuel efficiency
- •Rough engine idle
- +4 more
Most Affected Generations
2 generations
F10
1
G30
1
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
0
Affected Components
7
Common Symptoms
2
Generations
All Solutions
Showing 2 of 2 solutions for error code P0138 across all generations.