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Lexus RX

Transmission parameters

The Lexus RX has 7 transmission parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Transmission fluid temperature, pan RX_ATF_T_PAN_GEN3Confirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request22 16 27
  • Service 22DID 1627
  • Module701 → 709
  • Every1 s
  • Testing for 1999 to 2016, 2018 to 2019, 2021, 2023 to 2026

Example reply from a 2022 Lexus RX.

Bits 0 to 15 of the reply, 16 bits.

0x4100 = 16640 → (16640 ÷ 256 − 40) = 25 °C

Formula
(val ÷ 256 − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2017, 2020, 2022. In testing for 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2005 to 2006, 2010, 2013, 2015, 2025 to 2026.

  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.

Current gear RX_GEAR_2NDGENConfirmed

  • Request21 DA
  • Service 21PID DA
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1999 to 2007, 2009 to 2026

Example reply from a 2008 Lexus RX.

Bits 0 to 7 of the reply, 8 bits.

0x01 = 1 → 1

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2008. In testing for 1999 to 2001, 2003 to 2004, 2007, 2009. Not supported for 2002, 2005 to 2006, 2010, 2013, 2015, 2017, 2020, 2022, 2025 to 2026.

Gear RX_GEAR_V2Confirmed

  • Request22 16 21
  • Service 22DID 1621
  • Module700 → 708
  • Every1 s
  • Testing for 1999 to 2016, 2018 to 2019, 2021, 2023 to 2026

Example reply from a 2022 Lexus RX.

Bits 0 to 7 of the reply, 8 bits.

0x01 = 1 → 1

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2017, 2020, 2022. In testing for 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2013, 2015, 2025 to 2026.

Lock up state RX_AT_LOCK_UP_STATEConfirmed

  • Request22 16 20
  • Service 22DID 1620
  • Module700 → 708
  • Every1 s
  • Testing for 1999 to 2016, 2018 to 2019, 2021, 2023 to 2026

Example reply from a 2022 Lexus RX.

Bit 7 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2017, 2020, 2022. In testing for 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2013, 2015, 2025 to 2026.

Neutral control RX_NEUTRAL_CTRLConfirmed

  • Request21 51
  • Service 21PID 51
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1999 to 2012, 2014, 2016 to 2026

Example reply from a 2015 Lexus RX.

Bit 233 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2015. In testing for 1999 to 2001, 2003 to 2004, 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2017, 2020, 2022, 2025 to 2026.

Neutral range status RX_N_RANGE_STSConfirmed

  • Request21 51
  • Service 21PID 51
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1999 to 2012, 2014, 2016 to 2026

Example reply from a 2015 Lexus RX.

Bit 232 of the reply.

0b1 = 1 → 1

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2015. In testing for 1999 to 2001, 2003 to 2004, 2007, 2009, 2011 to 2012, 2014, 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2017, 2020, 2022, 2025 to 2026.

Transmission fluid temperature, pan RX_ATF_T_PAN_GEN3Confirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request22 16 27
  • Service 22DID 1627
  • Module701 → 709
  • Every1 s
  • Testing for 1999 to 2016, 2018 to 2019, 2021, 2023 to 2026

Example reply from a 2022 Lexus RX.

Bits 0 to 15 of the reply, 16 bits.

0x4100 = 16640 → (16640 ÷ 256 − 40) = 25 °C

Formula
(val ÷ 256 − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2017, 2020, 2022. In testing for 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2005 to 2006, 2010, 2013, 2015, 2025 to 2026.

Transmission fluid temperature, pan var.3 RX_ATF_T_PAN_V3Confirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request22 16 27
  • Service 22DID 1627
  • Module700 → 708
  • Every1 s
  • Testing for 1999 to 2016, 2018 to 2019, 2021, 2023 to 2026

Example reply from a 2022 Lexus RX.

Bits 0 to 15 of the reply, 16 bits.

0x4100 = 16640 → (16640 ÷ 256 − 40) = 25 °C

Formula
(val ÷ 256 − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2017, 2020, 2022. In testing for 2016, 2018 to 2019, 2021, 2023 to 2024. Not supported for 2002, 2005 to 2006, 2008, 2010, 2013, 2015, 2025 to 2026.

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