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Home >> Hyundai >> 2019 >> Santa Fe SEL Plus, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Body Control Module Diagnosis) >> DTC B1634-00: LIN Communication Error RR SPW >> DTC Information And Inspection >> DTC Setting Condition
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DTC Setting Condition

WARNING: This page is about a different car, the 2020 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.
Trouble Shooting Condition Possible Cause
Main Action
  • Check LIN communication
  1. Open/Poor Connection in RR SPW* Power Circuit
  2. Open/Poor Connection in LIN line
  3. Short-to-Battery in LIN line
  4. Short-to-Ground in LIN line
Prerequisite Condition
  • IG key "ON"
Threshold Value Case 1
  • RR SPW*'s LIN data is not received
Case 2
  • RR SPW*'s LIN data is abnormal
Case 3
  • Open in RR SPW*'s Power Circuit
Diagnostic Time
  • 3 sec
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