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Home >> Mazda >> 2024 >> 3 Carbon Turbo, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostics - CMU (1 Of 2) >> DTC B108E-49: Center Display Internal Malfunction

DTC B108E-49: Center Display Internal Malfunction

B108E-49: (CMU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Center display internal malfunction
Detection condition
  • The connectivity master unit (CMU) detected a center display internal malfunction.
Fail-safe
  • Not applicable
Possible cause
  1. DTCs are stored in the connectivity master unit (CMU). (DTC U0186:02, U0186:08, U2145:02: or U2145:08) (See U0186:02 [CMU] .) (See U0186:08 [CMU] .) (See U2145:02 [CMU] .) (See U2145:08 [CMU] .)
  2. Center display malfunction (center display internal malfunction) (Refer to CENTER DISPLAY REMOVAL/INSTALLATION in service information.)
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC.)
  2. Switch the ignition off/main power OFF.
  3. Switch the ignition ON (engine off or on)/main power ON (READY off or on) and wait for 30 s or more.
System wiring diagram
  • Not applicable