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Hyundai Elantra

Light parameters

The Hyundai Elantra has 7 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake light ELANTRA_BRAKE_LIGHTConfirmed

  • Request22 BC 06
  • Service 22DID BC06
  • Module770 → 778
  • Every250 ms
  • Testing for 1990 to 2021, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 32 to 39 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2022 to 2025. In testing for 1990 to 2015, 2017 to 2021, 2026. Not supported for 2016.

  1. The parameter's name and its ID in the OBDb. Confirmed shows when a response from a real car confirms the parameter.
  2. The clutch mark shows a Connectable, a parameter that Pelican surfaces in its interface.
  3. The service and PID/DID asked for, the control module it's sent to, and how often Pelican asks.
  4. The reply's bytes. The parameter's bytes are blue. Bytes for other parameters in the same reply are grayed out. Hover over a byte to see the parameter it represents.
  5. Where the parameter is in the response, and how Pelican converts the raw value into a value.
  6. A real reply, decoded. The raw value comes first, then the reading.
  7. Which model years have tested this parameter.

Brake light ELANTRA_BRAKE_LIGHTConfirmed

  • Request22 BC 06
  • Service 22DID BC06
  • Module770 → 778
  • Every250 ms
  • Testing for 1990 to 2021, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 32 to 39 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2022 to 2025. In testing for 1990 to 2015, 2017 to 2021, 2026. Not supported for 2016.

Hazard switch ELANTRA_HAZARD_SWConfirmed

  • Request22 BC 05
  • Service 22DID BC05
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bits 32 to 39 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2019 to 2020.

Headlight high beam ELANTRA_HL_HIGHConfirmed

  • Request22 BC 09
  • Service 22DID BC09
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 55 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2019 to 2020.

Headlight low beam ELANTRA_HL_LOWConfirmed

  • Request22 BC 09
  • Service 22DID BC09
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 63 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2019 to 2020.

Headlight switch (raw >2) ELANTRA_HL_SWConfirmed

  • Request22 BC 05
  • Service 22DID BC05
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Bits 48 to 55 of the reply, 8 bits.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2022 to 2024. In testing for 2026. Supported for 2021, 2025. Not supported for 2009 to 2010, 2019 to 2020.

Left turn signal on? (raw >1) ELANTRA_TURN_LConfirmed

  • Request22 BC 08
  • Service 22DID BC08
  • Module770 → 778
  • Every2 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 38 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2019 to 2020.

Right turn signal on? (raw >3) ELANTRA_TURN_RConfirmed

  • Request22 BC 08
  • Service 22DID BC08
  • Module770 → 778
  • Every2 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 37 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2019 to 2020.

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