GMC Sierra
P0131
The P0131 code indicates a problem with the oxygen sensor circuit in the GMC Sierra T1XX (2019-Present), specifically that the sensor signal is below the specified threshold.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
5 common
- •Check engine light illuminated
- •Poor fuel economy
- •Engine stalling or rough idle
- +2 more
Most Affected Generations
1 generation
T1XX
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 P0131 across all generations.