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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P062B: ECM >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P062B

Internal control module fuel injector control performance

Injector driver unit is malfunctioning.

  • Harness and connectors

    (Injector circuit is open or shorted)

  • Battery power supply
  • ECM (injector driver unit)
  • Fuel injector relay