Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- HO2S heater control circuit low - sensor 1 - short circuit to ground
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference I_A_LSCP
- Circuit reference G_R_LSVG
- Monitor Description
- Voltage below threshold
- Prioritised List of Possible Causes
- The powertrain control module has detected a ground measurement for a period longer than expected or has detected a ground measurement when another value was expected
- Heated oxygen sensor heater circuit short circuit to ground
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Heated oxygen sensor failure