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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (HEV) (2 Of 2) >> DTC B2502-00: Passenger Airbag Telltale Lamp Failure >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor Data
  1. Telltale lamp harness
  2. SRSCM's connector and circuit
Enable Conditions
  • Ignition switch ON
Threshold Value
  • When Telltale lamp illumination voltage is greater than 40mV or less than 4.5V
  • When Telltale lamp no illumination voltage is less than 40mV
Diagnostic Time Qualification
  • More than 1 sec
De-Qualification
  • More than 2 sec
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