DTC C12D2 Chevrolet
HO2S-22 (Bank 2 Sensor 2) No Activity Detected
HO2S-22 (Bank 2 Sensor 2) No Activity Detected
Description
Engine started, engine runtime over 2 minutes, ECT sensor more than 176 F, and the PCM detected the HO2S-22 signal remained fixed near 0.50v for 1.5 minutes in the Oxygen Sensor Monitor test.
Cause and Solution
HO2S signal circuit is open or it has high resistanceHO2S element fuel contamination or has deterioratedHO2S is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: C12D2
- Brand: Chevrolet