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DTC P0603: Notes

DTC P0603 [AW6A-EL, AW6AX-EL] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0603 EEPROM malfunction
DETECTION CONDITION 
  • Differendt numeric values for EEPROM and RAM (in TCM) are detected.

Diagnostic support note: 
  • The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.
  • A PENDING CODE is not available.
  • FREEZE FRAME DATA is available.
  • The AT warning light illuminates.
  • The DTC is stored in the TCM memory.
POSSIBLE CAUSE 
  • TCM malfunction
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