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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostic - Automatic Transaxle (Mm8AX-EC) >> DTC U0469-00: Can Communication: Error Signal Received From Drive Motor Control Module (Can Bus No. 2)
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DTC U0469-00: Can Communication: Error Signal Received From Drive Motor Control Module (Can Bus No. 2)

System malfunction location CAN communication: Error signal received from drive motor control module (CAN bus No. 2)
Detection condition
  • The TCM receives an error signal from the drive motor control module.

    Precondition 

  • Battery voltage is the standard or more.
Fail-safe
  • Not applicable
Possible cause
  1. DTCs are stored in the drive motor control module. (See DTC TABLE [SGC2/DMCM (WITH Mazda M Hybrid BOOST)] .)
  2. Control valve body malfunction (TCM malfunction) (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION ] in service information).
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
  2. Perform the following procedure to ensure that the DTC has been resolved:
    • Drive the vehicle. (Use all gears from 1st to 8th gear)
System wiring diagram
  • Not applicable
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