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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> Engine (ECM) >> DTC P00D2: Ho2S2 Heater >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P00D2

Heated O2 sensor heater B1 sensor 2

(HO2S heater control circuit range/performance bank 1 sensor 2)

Deterioration in heated oxygen sensor 2 heater (bank 1) performance.

(Voltage signal transmitted from heated oxygen sensor 2 heater (bank 1) to ECM is higher /lower than voltage in the normal range.)

  • Harness or connectors

    [The heated oxygen sensor 2 heater (bank 1) circuit is open or shorted.]

  • Heated oxygen sensor 2 heater (bank 1)