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Audi S4

Fluid parameters

The Audi S4 has 5 fluid parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Automatic transmission fluid temperature AUDI_ATF_TConfirmed

  • Request22 21 04
  • Service 22DID 2104
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Example reply from a 2023 Audi S4.

Bits 0 to 7 of the reply, 8 bits.

0x57 = 87 → (87 − 40) = 47 °C

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

Confirmed for 2011, 2013, 2015, 2018, 2020 to 2021, 2023. In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010.

  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.

Automatic transmission fluid temperature AUDI_ATF_TConfirmed

  • Request22 21 04
  • Service 22DID 2104
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Example reply from a 2023 Audi S4.

Bits 0 to 7 of the reply, 8 bits.

0x57 = 87 → (87 − 40) = 47 °C

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

Confirmed for 2011, 2013, 2015, 2018, 2020 to 2021, 2023. In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010.

Oil level warning threshold AUDI_OIL_LEVEL_WARNConfirmed

  • Request22 11 BD
  • Service 22DID 11BD
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Example reply from a 2023 Audi S4.

Bits 0 to 15 of the reply, 16 bits.

0x0DAF = 3503 → (3503 ÷ 2500) = 1.4012 cm

Formula
(val ÷ 2500)
Range
0 to 26.2 cm
Unit
cm

Confirmed for 2018, 2021, 2023. In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010 to 2011, 2013, 2015, 2020.

Oil level, critical AUDI_OIL_CRIT

  • Request22 11 BB
  • Service 22DID 11BB
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 2500)
Range
0 to 26.2 cm
Unit
cm

In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010 to 2011, 2013, 2015, 2018, 2020 to 2021, 2023.

Oil level, max AUDI_OIL_MAX

  • Request22 11 C4
  • Service 22DID 11C4
  • Module7E0 → 7E8
  • Every30 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 250)
Range
0 to 262 cm
Unit
cm

In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010 to 2011, 2013, 2015, 2018, 2020 to 2021, 2023.

Oil level, min AUDI_OIL_MIN

  • Request22 11 C5
  • Service 22DID 11C5
  • Module7E0 → 7E8
  • Every30 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 250)
Range
0 to 262 cm
Unit
cm

In testing for 1991 to 1994, 1997 to 2009, 2012, 2014, 2016 to 2017, 2019, 2022, 2024 to 2025. Not supported for 2010 to 2011, 2013, 2015, 2018, 2020 to 2021, 2023.

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