P2577 Cadillac Direct Ozone Reduction Catalyst Efficiency Below Threshold

P2577 Cadillac Direct Ozone Reduction Catalyst Efficiency Below Threshold

OBD Code:
System:
Subsystem: 		 P2577 Cadillac – (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:

Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX