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DTC P06B8: 00 NVRAM Malfunction: Notes

DTC P06B8:00 DETECTION CONDITIONS AND POSSIBLE CAUSES (FW6A-EL)

DTC P06B8:00  NVRAM malfunction 
DETECTION CONDITION 
  • Under the following condition, TCM internal NVRAM data retention/read/write disabled:
    • Battery voltage is 8 V or more. 

Diagnostic support note 
  • The check engine light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
  • The automatic transaxle warning light does not illuminate.
  • PENDING CODE is available.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION  Not applicable
POSSIBLE CAUSE 
  • TCM initial learning error
  • Control valve body malfunction
    • TCM internal NVRAM malfunction
SYSTEM WIRING DIAGRAM  Not applicable