Possible Causes
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- 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