P0032 OBD II Trouble Code Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) - DTC Code

Detailed information on troubleshooting and repairing a p0032 automotive trouble code which refers to an oxygen sensor heater circuit that is high. Also includes links to relevant forum topics on the code.

Symptoms of P0032 OBD II Trouble Code

  • Most likely you'll not notice any symptoms other than the MIL (malfunction indicator lamp, a.k.a. the check engine light) will illuminate.

Common Causes of P0032 OBD II Trouble Code

  • A short in the heater circuit in the sensor
  • A failed O2 sensor heater
  • Wiring/connectors broken/frayed leading to sensor and/or relay
  • Failed PCM/ECM