Honda Accord
P0051
The P0051 code indicates a problem with the heated oxygen sensor (HO2S) in the 11th Generation Honda Civic (2022-Present). This code specifically refers to the sensor's heater circuit, which is often associated with insufficient voltage or a malfunctioning sensor.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
5 common
- •Check engine light illuminated
- •Poor fuel economy
- •Rough engine idle
- +2 more
Most Affected Generations
1 generation
11th Gen
1
Top Affected Components
1 component
Exhaust System
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 P0051 across all generations.