VOLVOUU All Engines (2017 Emissions) Fault Code: P003011 PID: EMS HO2S Heater Control Bank 1 Sensor 1
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14. EA:4 is below normal value
Probable cause
1) Wiring harness
2) Relay
3) Fuse and relay center
4) Lambda sensor
5) Engine Control Module
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