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Home >> Kia >> 2020 >> Optima S >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Cluster Module Diagnosis) >> DTC B1020-55: TPMS Present Error >> DTC Information And Inspection >> DTC Setting Condition
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DTC Setting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Trouble shooting Condition Possible Cause
Main Action
  • Monitor CAN communication
  1. Discordance with vehicle information
  2. Variant coding procedure not conducted
  3. Faulty TPMS*
  4. Faulty C-CAN line
  5. Faulty Cluster*
Prerequisite Condition
  • IG key "ON"
Threshold Value Case 1
  • TPMS* EOL coding error
Case 2
  • EOL variant coding does not have TPMS* information although CAN BUS has the system
Diagnostic Time
  • 500ms
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