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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio Video Navigation Diagnosis (Except HEV) >> DTC B2944-00: FR Speaker Connection Error >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  1. Poor connection
  2. Open in front right door speeker circuit
  3. Front right door speeker
Enable Conditions
  • Speaker connection
Threshold value
  • If it is detected that no sound is coming from the passenger's door speaker when the speaker is connected
Diagnostic Time
  • 10s
Recovery Condition
  • When performing forced diagnosis
    • Built-in Amplifier: Determine whether to connect by reading specific register communication of built-in amplifier chip
    • External Amplifier: Check the DTC through UDS CAN communication (judged by an external amplifier for connection)