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Hyundai Elantra

Climate parameters

The Hyundai Elantra has 5 climate parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Defog light ELANTRA_DEFOG_LIGHTConfirmed

  • Request22 BC 07
  • Service 22DID BC07
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 47 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, 2018 to 2020.

  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.

Ambient air temperature AATSAE J1979Confirmed

  • Request01 46
  • Service 01PID 46
  • Module7E0 → 7E8
  • Every15 s

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2009, 2014, 2016 to 2019, 2021 to 2024. Supported for 2010, 2015, 2020.

Defog light ELANTRA_DEFOG_LIGHTConfirmed

  • Request22 BC 07
  • Service 22DID BC07
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 47 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, 2018 to 2020.

Defogging? ELANTRA_DEFOG_SWConfirmed

  • Request22 BC 03
  • Service 22DID BC03
  • Module770 → 778
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Hyundai Elantra.

Bit 62 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2021 to 2025. In testing for 2026. Not supported for 2009 to 2010, 2018 to 2020.

Interior temperature, passenger legs vent ELANTRA_HVAC_IAT_PASSENGER_LEGS_VENTConfirmed

  • Request22 01 01
  • Service 22DID 0101
  • Module7B3 → 7BB
  • Every5 s
  • Testing for 1990 to 2021, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 72 to 79 of the reply, 8 bits.

0xFF = 255 → (255 ÷ 2 − 40) = 87.5 °C

Formula
(val ÷ 2 − 40)
Range
-40 to 87.5 °C
Unit
°C

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

Interior temperature, passenger vent ELANTRA_HVAC_IAT_PASSENGER_VENTConfirmed

  • Request22 01 01
  • Service 22DID 0101
  • Module7B3 → 7BB
  • Every5 s
  • Testing for 1990 to 2021, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 64 to 71 of the reply, 8 bits.

0xFF = 255 → (255 ÷ 2 − 40) = 87.5 °C

Formula
(val ÷ 2 − 40)
Range
-40 to 87.5 °C
Unit
°C

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

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