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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> BCM Diagnosis (Except HEV) >> DTC B1810-00: UIP/ROA Sensor Error >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Monitor the LIN data
  1. Foreign substance around the sensor
  2. Faulty Power Supply
  3. Faulty Ground Circuit
  4. Open/Poor Connection in Signal Circuit
  5. Short-to-Battery in Signal Circuit
  6. Short-to-Ground in Signal Circuit
  7. Signal Circuit protocol error by electrical noise
Prerequisite Condition
  • IG ON
Threshold Value Case1
  • ROA*'s LIN data: Not received
Case2
  • ROA*'s LIN data: Abnormal
Diagnostic Time
  • 3 sec
Component Name_ETM ETM
BCM* "IBU"  
ROA* "OVERHEAD CONSOLE LAMP REAR OCCUPANT ALERT (ROA) SENSOR"
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