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 high - sensor 1 - short circuit to battery
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference I_A_LSCP
- Circuit reference G_R_LSVG
- Monitor Description
- Current above threshold
- Prioritised List of Possible Causes
- The powertrain control module has detected a vehicle power measurement for a period longer than expected or has detected a vehicle power measurement when another value was expected
- Heated oxygen sensor heater circuit short circuit to power
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Heated oxygen sensor failure