P2577 Chevrolet Direct Ozone Reduction Catalyst Efficiency Below Threshold

P2577 Chevrolet Direct Ozone Reduction Catalyst Efficiency Below Threshold

OBD Code:
System:
Subsystem:

P2577 Chevrolet – (ASE)
Powertrain
Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Trouble Code Description: Direct Ozone Reduction Catalyst Efficiency Below Threshold

Location:
Analysis:

Possible Causes:

Tech description: