Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the Diagnostic Trouble Code(s)
- HO2S heater control circuit - sensor 1 - open circuit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference I_A_LSCP1
- Circuit reference G_R_LSVG1
- Circuit reference O_T_LSH1
- Monitor Description
- Voltage within range
- Prioritized List of Possible Causes
- The value of the signal measured by the powertrain control module is not plausible given the operating conditions
- Heated oxygen sensor heater circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Heated oxygen sensor failure