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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> On-Board Diagnostic - Drive Motor Control Module (E-SKYACTIV PHEV) >> DTC P0A54-00: Electric Motor Current Sensor: Over-Current Malfunction

DTC P0A54-00: Electric Motor Current Sensor: Over-Current Malfunction

WARNING: <<High voltage>>
  • If the necessary measures are not taken before servicing an electric vehicle, it could cause electrical shock and result in serious injury or, in the worst case, death. Before servicing the electric vehicle, refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in the general information and implement the necessary measures. (Refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in service information).
P0A54-00: (SGC2/DMCM (E-SKYACTIV PHEV)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Electric motor current sensor: Over-current malfunction
Detection condition
  • The drive motor control module detects that the value of the current in the electric motor current sensor is the standard value or more.
Fail-safe
  • Stops the electric motor.
Possible cause
WARNING: <<High voltage>>
  • If necessary measures such as wearing the correct protective gear are not taken when inspecting or removing/installing the high voltage parts, it could cause electrical shock and result in serious injury or, in the worst case, death.
  • Before inspecting or removing/installing the high voltage parts, refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in the general information and [High Voltage Part Inspection and Removal/Installation Notes] of the high voltage system service cautions and implement the necessary measures and preparations. (Refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in service information). (Refer to [HIGH VOLTAGE SYSTEM SERVICE CAUTIONS ] in service information).
  • Wear insulated gloves when working on a high voltage system.
  1. Drive motor control module malfunction (electric motor current sensor malfunction) (Refer to [INVERTER REMOVAL/INSTALLATION ] in service information).
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
  2. Switch the main power ON (READY on).
System wiring diagram
  • Not applicable