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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 240 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P0A02-U1002) (Hybrid)) >> DTC Diagnosis >> DTC P31A9: Can Error >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. PERFORM ALL DTC READING

    1. Perform "All DTC Reading".
    2. Check diagnosis results.
      DTC DTC detection control module Malfunctioning part
      P31A9 "MOTOR CONTROL" only
      • Traction motor inverter
      • Li-ion battery controller
      "EV/HEV" only
      • HPCM
      • Li-ion battery controller
      • "MOTOR CONTROL"
      • "EV/HEV"
      		 Li-ion battery controller

    Replace malfunctioning part corresponding to the control module detecting DTC P31A9.

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