DTC C0110 Hummer
HO2S-22 (Bank 2 Sensor 2) Signal High Input
HO2S-22 (Bank 2 Sensor 2) Signal High Input
Description
Engine started, engine runtime over 2 minutes, ECT sensor more than 176 F, and the PCM detected the HO2S-22 signal was more than 1.2v for 3 seconds during the CCM test.
Cause and Solution
HO2S signal circuit shorted to power (check the heater circuit)HO2S is damaged or it has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: C0110
- Brand: Hummer