LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Identity Authentication Unit Diagnosis >> DTC B18CF-00: IAU ECU SPI Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check data states
  • Software error
  • Ground due to environmental conditions such as corrosion/dust/dampness/contamination
  • Open circuit or PCB circuit inside controller open circuit
Enable Conditions
  • Normal 12V battery voltage
Threshold Value
  • When SPI detecting a communication error more than 3 times
Diagnosis Time
  • Immediately
Erase Condition
  • If the function is operating normally