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DTC B112A [Advanced Keyless System]: Notes

DTC B112A POSSIBLE CAUSE TABLE

DTC B112A Keyless antenna (interior, front)
DETECTION CONDITION  Keyless antenna dose not operated.
POSSIBLE CAUSE 
  • Keyless antenna (interior, front) malfunction
  • Open or short circuit in wiring harness between keyless control module and keyless antenna
  • Keyless control module malfunction
G04323313Courtesy of MAZDA MOTORS CORP.