Pelican
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Hyundai Elantra

Control parameters

The Hyundai Elantra has 12 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake pedal ELANTRA_BRAKE_PEDALConfirmed

  • Request21 A0
  • Service 21PID A0
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 1990 to 2015, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 192 to 199 of the reply, 8 bits.

0xC1 = 193 → 193

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2016. In testing for 1990 to 2015, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.

  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.

Absolute throttle position TPSAE J1979Confirmed

Throttle position at idle will usually be more than 0%, and throttle position at wide open throttle will usually be less than 100%.

Pelican can show this parameter as the throttle position.

  • Request01 11
  • Service 01PID 11
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2009 to 2010, 2013 to 2014, 2016 to 2019, 2021 to 2025. Supported for 1993, 2012, 2015, 2020.

Absolute throttle position B TP_BSAE J1979Confirmed

Pelican can show this parameter as the throttle position.

  • Request01 47
  • Service 01PID 47
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2014, 2016 to 2019, 2021 to 2025. Supported for 2015.

Brake pedal ELANTRA_BRAKE_PEDALConfirmed

  • Request21 A0
  • Service 21PID A0
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 1990 to 2015, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 192 to 199 of the reply, 8 bits.

0xC1 = 193 → 193

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2016. In testing for 1990 to 2015, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.

Brake pedal ELANTRA_BRAKE_PEDAL_7E1Confirmed

  • Request22 01 A0
  • Service 22DID 01A0
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 1990 to 2023, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 192 to 199 of the reply, 8 bits.

0xFD = 253 → 253

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024 to 2025. In testing for 1990 to 2015, 2017 to 2021, 2026. Not supported for 2016, 2022 to 2023.

Brake pressure ELANTRA_BRAKE_PConfirmed

  • Request22 01 04
  • Service 22DID 0104
  • Module7D1 → 7D9
  • Every1 s
  • Testing for 1990 to 2015, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 256 to 271 of the reply, 16 bits. The value is signed.

0x0000 = 0 → (0 ÷ 86.7) = 0 %

Formula
(val ÷ 86.7)
Range
0 to 100 %
Unit
%

Confirmed for 2016 to 2025. In testing for 1990 to 2008, 2011, 2026. Not supported for 2009 to 2010, 2012 to 2015.

Handbrake engaged? ELANTRA_HANDBRAKEConfirmed

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

Example reply from a 2025 Hyundai Elantra.

Bit 36 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.

Relative accelerator pedal position ELANTRA_APP_REL_TCMConfirmed

  • Request21 A0
  • Service 21PID A0
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 1990 to 2015, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 64 to 71 of the reply, 8 bits.

0x00 = 0 → (0 × 100 ÷ 255) = 0 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2016. In testing for 1990 to 2015, 2018 to 2021, 2026. Not supported for 2017, 2022 to 2025.

Relative throttle position TP_RSAE J1979Confirmed

Relative or 'learned' throttle position.

  • Request01 45
  • Service 01PID 45
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2009, 2016 to 2017, 2019, 2021 to 2023, 2025. Supported for 2010, 2012 to 2015, 2018, 2020, 2024.

Steering angle ELANTRA_STEER_ANGLE_V2Confirmed

  • Request21 01
  • Service 21PID 01
  • Module7D4 → 7DC
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2020 to 2026

Example reply from a 2019 Hyundai Elantra.

Bits 24 to 39 of the reply, 16 bits. The value is signed.

0xFF9F = -97 → (-97 × 10 ÷ 100) = -9.7 °

Formula
(val × 10 ÷ 100)
Range
-3276.8 to 3276.7 °
Unit
°

Confirmed for 2009 to 2010, 2012 to 2014, 2016 to 2019. In testing for 1990 to 2008, 2011, 2020, 2026. Supported for 2015. Not supported for 2021 to 2025.

Steering wheel angle ELANTRA_STEER_ANGLEConfirmed

  • Request22 01 04
  • Service 22DID 0104
  • Module7D1 → 7D9
  • Every1 s
  • Testing for 1990 to 2015, 2026

Example reply from a 2025 Hyundai Elantra.

Bits 200 to 215 of the reply, 16 bits. The value is signed.

0xFFF9 = -7 → (-7 ÷ 10) = -0.7 °

Formula
(val ÷ 10)
Range
-3276.8 to 3276.7 °
Unit
°

Confirmed for 2016 to 2025. In testing for 1990 to 2008, 2011, 2026. Not supported for 2009 to 2010, 2012 to 2015.

Control › Pedals

Accelerator pedal position D APP_DSAE J1979Confirmed

  • Request01 49
  • Service 01PID 49
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2016 to 2017, 2019, 2021 to 2025. Supported for 2015.

Accelerator pedal position E APP_ESAE J1979Confirmed

  • Request01 4A
  • Service 01PID 4A
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2016 to 2017, 2019, 2021 to 2025.

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