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C1702 Variant Coding Error: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Internal monitoring
  • Replacement of PCM (ECM & TCM)
Monitoring Period
  • Once during startup.
Enable Conditions
  • After power on, the HECU does not receive a valid variant code information during the configuration time.
  • HECU has no valid variant code stored in the EEPROM.
  • The received CAN signals does not lead to a defined and supported variant code.
  • If an ECU, which has already memorized a valid variant code information, receives a different variant code information, (at a next Power on cycle)
Fail-Safe
  • The ABS/EBD/ESC functions are inhibited.
  • The ABS/EBD/ESC warning lamps are activated.
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