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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Symptom Troubleshooting - Automatic Transaxle (Mm8AX-EC) >> Transmission Overheats

Transmission Overheats

TRANSMISSION OVERHEATS (NJ8A(X)-EC/NN8A(X)-EC/MM8A(X)-EC) DESCRIPTION AND POSSIBLE CAUSE

Description
  • Burnt smell emitted from the transmission.
  • Smoke is emitted from the transmission.
Possible cause
  1. Input signal malfunction in the following. (See PID/DATA MONITOR INSPECTION .)

    PCM: 

  2. Automatic transmission fluid (ATF) malfunction (Refer to [AUTOMATIC TRANSMISSION FLUID (ATF) INSPECTION ] ).
  3. Oil cooler malfunction
  4. Control valve body malfunction (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION ] ).
System wiring diagram
  • Not applicable