DTC Setting Condition

2024 Hyundai Elantra Hybrid LimitedSECTION DTC Setting Condition
Troubleshooting Condition Possible Cause
Main Action
  • Monitor the LIN data
  1. Faulty Power Supply
  2. Faulty Ground Circuit
  3. Open/Poor Connection in Signal Circuit
  4. Short to auxiliary battery in Signal Circuit
  5. Short to Ground in Signal Circuit
  6. Signal Circuit protocol error by electrical noise
Prerequisite Condition
  • Hot at all times
Threshold Value Case1
  • "Auxiliary Battery SENSOR"'s LIN data: Not received
Case2
  • "Auxiliary Battery SENSOR"'s LIN data: Abnormal
Diagnosis Time
  • 3sec
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.