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Hyundai Elantra

ECU parameters

The Hyundai Elantra has 10 ECU parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Commanded evaporative purge ELANTRA_COMMANDED_EVAPORATIVE_PURGEConfirmed

  • Request21 02
  • Service 21PID 02
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 160 to 167 of the reply, 8 bits.

0x46 = 70 → (70 × 0.390625) = 27.34375 %

Formula
(val × 0.390625)
Range
0 to 99.609375 %
Unit
%

Confirmed for 2009 to 2010, 2012 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2017 to 2019, 2021 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.

Commanded evaporative purge ELANTRA_COMMANDED_EVAPORATIVE_PURGEConfirmed

  • Request21 02
  • Service 21PID 02
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 160 to 167 of the reply, 8 bits.

0x46 = 70 → (70 × 0.390625) = 27.34375 %

Formula
(val × 0.390625)
Range
0 to 99.609375 %
Unit
%

Confirmed for 2009 to 2010, 2012 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2017 to 2019, 2021 to 2025.

intake camshaft position actual ELANTRA_INTAKE_CAMSHAFT_POSITION_ACTUAL

  • Request21 17
  • Service 21PID 17
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Bits 40 to 55 of the reply, 16 bits. The value is signed. The bytes are in little-endian order.

Formula
(val × 0.0078125)
Range
-256 to 255.9921875 °
Unit
°

In testing for 1990 to 2008, 2011, 2020, 2026. Supported for 2013 to 2016. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

intake camshaft position commanded ELANTRA_INTAKE_CAMSHAFT_POSITION_COMMANDED

  • Request21 17
  • Service 21PID 17
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Bits 32 to 39 of the reply, 8 bits. The value is signed.

Formula
(val × 0.5)
Range
-64 to 63.5 °
Unit
°

In testing for 1990 to 2008, 2011, 2020, 2026. Supported for 2013 to 2016. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

Intake manifold absolute pressure ELANTRA_INTAKE_MANIFOLD_ABSOLUTE_PRESSUREConfirmed

  • Request21 01
  • Service 21PID 01
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 128 to 143 of the reply, 16 bits. The bytes are in little-endian order.

0x306F = 12399 → (12399 × 0.00390625) = 48.433594 kPa

Formula
(val × 0.00390625)
Range
0 to 255.9960938 kPa
Unit
kPa

Confirmed for 2009 to 2010, 2012 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2017 to 2019, 2021 to 2025.

Knock retard cylinder #1 ELANTRA_KNOCK_RETARD_CYLINDER_1Confirmed

  • Request21 16
  • Service 21PID 16
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 96 to 103 of the reply, 8 bits.

0x10 = 16 → (16 × 0.75) = 12 °

Formula
(val × 0.75)
Range
0 to 191.25 °
Unit
°

Confirmed for 2013 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

Knock retard cylinder #2 ELANTRA_KNOCK_RETARD_CYLINDER_2Confirmed

  • Request21 16
  • Service 21PID 16
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 104 to 111 of the reply, 8 bits.

0x00 = 0 → (0 × 0.75) = 0 °

Formula
(val × 0.75)
Range
0 to 191.25 °
Unit
°

Confirmed for 2013 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

Knock retard cylinder #3 ELANTRA_KNOCK_RETARD_CYLINDER_3Confirmed

  • Request21 16
  • Service 21PID 16
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 112 to 119 of the reply, 8 bits.

0x00 = 0 → (0 × 0.75) = 0 °

Formula
(val × 0.75)
Range
0 to 191.25 °
Unit
°

Confirmed for 2013 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

Knock retard cylinder #4 ELANTRA_KNOCK_RETARD_CYLINDER_4Confirmed

  • Request21 16
  • Service 21PID 16
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2012, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 120 to 127 of the reply, 8 bits.

0x4C = 76 → (76 × 0.75) = 57 °

Formula
(val × 0.75)
Range
0 to 191.25 °
Unit
°

Confirmed for 2013 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2009 to 2010, 2012, 2017 to 2019, 2021 to 2025.

Oxygen sensor 1 bank 1 ELANTRA_OXYGEN_SENSOR_11Confirmed

  • Request21 02
  • Service 21PID 02
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 32 to 39 of the reply, 8 bits.

0x00 = 0 → (0 × 0.00521 − 0.2) = -0.2 V

Formula
(val × 0.00521 − 0.2)
Range
-0.2 to 1.12855 V
Unit
V

Confirmed for 2009 to 2010, 2012 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2017 to 2019, 2021 to 2025.

Oxygen sensor 2 bank 1 ELANTRA_OXYGEN_SENSOR_21Confirmed

  • Request21 02
  • Service 21PID 02
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1990 to 2008, 2011, 2017 to 2026

Example reply from a 2016 Hyundai Elantra.

Bits 48 to 55 of the reply, 8 bits.

0x2B = 43 → (43 × 0.00521 − 0.2) = 0.02403 V

Formula
(val × 0.00521 − 0.2)
Range
-0.2 to 1.12855 V
Unit
V

Confirmed for 2009 to 2010, 2012 to 2016. In testing for 1990 to 2008, 2011, 2020, 2026. Not supported for 2017 to 2019, 2021 to 2025.

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