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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (On-Board Diagnostic - Pcm (VIN A) (4 Of 4)) >> DTC U0322-00: Body Control Module (BCM) Error (PYUL) >> Details On DTCs

Details On DTCs

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U0322: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Body control module (BCM) error
Detection condition Determination conditions
  • Any one of the following conditions is met:
    • CAN communication line malfunction between body control module (BCM) and PCM
    • Body control module (BCM) internal malfunction
Preconditions
  • The following conditions continue for 1.5 s:
    • Battery voltage: 9.45 V or more *1

      *1: Standard can be verified by displaying PIDs using M-MDS

Malfunction determination period
  • 2 s period
Drive cycle
  • 1
Self test type
  • CMDTC self test, KOEO self test, KOER self test
Sensor used
  • PCM
Fail-safe
  • Inhibits engine-stop by i-stop control.
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • CAN drive error (body control module (BCM) or PCM)
  • Malfunction in wiring harness (including connector/terminal) between body control module (BCM) and PCM
  • Body control module (BCM) malfunction
  • PCM malfunction