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Home >> Mazda >> 2020 >> CX-30 Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (4 Of 4) >> DTC U0322-00: Body Control Module (BCM) Error (Us) >> Details On DTCs
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Details On DTCs

DTC U0322:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

Description Body control module (BCM) error
Detection condition Determination conditions
  • 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*1
    • Switch the ignition ON (engine off or on)
*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 function
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • CAN drive error (body control module (BCM) or PCM)
  • CAN communication line malfunction between body control module (BCM) and PCM
  • Body control module (BCM) connector or terminals malfunction
  • PCM connector or terminals malfunction
  • Body control module (BCM) malfunction
  • PCM malfunction
G13556268Courtesy of MAZDA MOTORS CORP.