GMC - OBD Code Lookup

P2579 GMC

Turbocharger Speed Sensor Circuit Range/Performance

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic

Direct Ozone Reduction Catalyst Efficiency Below Threshold

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

A/C Request ‘B’ Circuit Range/Performance

Direct Ozone Reduction Catalyst Temperature Sensor Circuit High