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Home >> Mazda >> 2018 >> CX-3 Touring, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> On-Board Diagnostics - Transaxle >> DTC P0667-00; Ecu Internal Temperature Sensor/Performance Problem >> Notes
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DTC P0667-00; Ecu Internal Temperature Sensor/Performance Problem: Notes

DTC P0667-00; ECU INTERNAL TEMPERATURE SENSOR/PERFORMANCE PROBLEM - DETECTION CONDITION & POSSIBLE CAUSE

DTC P0667:00 ECU internal temperature sensor/performance problem
DETECTION CONDITION
  • Under the following conditions, the difference between ECU internal temperatures of three ECU internal temperature sensors are 15 °C {59 °F} or more:
    • Engine is running.
    • Soaked for 6 hours or more.
      • No malfunction in ECU internal temperature sensor circuit
FAIL-SAFE FUNCTION
  • Inhibits learning control.
  • Inhibits neutral idle control.
POSSIBLE CAUSE
  • Control valve body malfunction
    • ECU internal temperature sensor (built-into TCM) malfunction
SYSTEM WIRING DIAGRAM Not applicable