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2005 VOLVO S80
2.9L I6•AWD•AUTOMATIC•gas•B6294S
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor1007Torque6617Fluid17DTC1930Battery2Maintenance0Recalls6
P0032low severityPowertrain

HO2S Heater Control Circuit High Bank 1 Sensor 1

on 2005 Volvo S80 2.9L I6 · AWD

What this code means

The voltage in the Bank 1 Sensor 1 O2 heater circuit is higher than expected.

Symptoms

  • Check Engine Light
  • Possible heater staying on too long

Common causes

  • Short to power in heater circuit
  • Faulty O2 sensor
  • Relay stuck closed

Diagnostic steps

  1. Test heater circuit voltage
  2. Check for shorts to power
  3. Test sensor heater resistance

Repair notes

Repair short to power or replace O2 sensor.

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