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Home >> Mazda >> 2024 >> CX-30 Preferred >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (On-Board Diagnostic - Engine Control (VIN Y) (6 Of 6)) >> DTC U0322-00: Body Control Module (BCM) Malfunction >> Details on DTCs

Details on DTCs

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U0322:00 (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Body control module (BCM) malfunction
Detection condition Determination condition
  • When any 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: above 9.45 V*
    • Switch the ignition ON (engine off or on)

*: Standard can be verified by displaying PIDs using M-MDS
Determination period
  • 2 s period
Drive cycle
  • 1
Self-test type
  • CMDTC self test, KOEO self test, KOER self test
Sensor/unit used
  • PCM
Fail-safe
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • DTCs are stored in the following modules. (CAN driver malfunction)
    • Body control module (BCM)
    • PCM (other than U0322:00)
  • Malfunction in CAN communication line (including connector/terminal) between body control module (BCM) and PCM
  • Body control module (BCM) malfunction
  • PCM malfunction