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Home >> Mazda >> 2021 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control (2 Of 3) >> DTC P06B8-00: Internal Control Module Non-Volatile Ram Error >> Notes

DTC P06B8-00: Internal Control Module Non-Volatile Ram Error: Notes

DTC P06B8:00 (PCM, SKYACTIV-G 2.0) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P06B8:00 Internal control module non-volatile RAM error
DETECTION CONDITION
  • PCM internal EEPROM malfunction.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle. (The check engine light may be illuminated depending on the malfunction conditions.)
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Not applicable
POSSIBLE CAUSE
  • PCM connector or terminals malfunction
  • PCM internal EEPROM malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable