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Home >> Infiniti >> 2021 >> QX80 Sensory, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P2100: Throttle Control Motor Relay >> 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

P2100

ETC MOT PWR-B1

[Throttle control motor relay circuit open (bank 1)]

ECM detects that the voltage of power source for throttle control motor is excessively low.

  • Harness or connectors

    (Throttle control motor relay circuit is open)

  • Throttle control motor relay