FixVault

DTC P0601: Notes

DTC P0601 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P0601 PCM memory check sum error
DETECTION CONDITION 
  • PCM internal memory check sum error

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • PCM internal memory malfunction