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Toyota Tundra

Transmission parameters

The Toyota Tundra has 32 transmission parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Transmission fluid temperature, pan var.3 TUNDRA_ATF_T_PAN_V3Confirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request22 16 27
  • Service 22DID 1627
  • Module700 → 708
  • Every5 s
  • Testing for 1999 to 2022, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 256 − 40) = -40 °C

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

Confirmed for 2023 to 2025. In testing for 1999, 2001 to 2004, 2009, 2012 to 2013, 2016, 2022, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2011, 2014 to 2015, 2017 to 2021.

  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.

Boosting converter temperature, lower TUNDRA_BOOSTING_CONV_T_LO

  • Request22 10 A7
  • Service 22DID 10A7
  • Module7D2 → 7DA
  • Every5 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

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

In testing for 2022, 2026. Not supported for 2023 to 2025.

Boosting converter temperature, upper TUNDRA_BOOSTING_CONV_T_HI

  • Request22 10 A7
  • Service 22DID 10A7
  • Module7D2 → 7DA
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

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

In testing for 2022, 2026. Not supported for 2023 to 2025.

Current gear TUNDRA_GEAR_V2Confirmed

  • Request21 DA
  • Service 21PID DA
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 1999 to 2004, 2007, 2009 to 2026

Example reply from a 2008 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x01 = 1 → 1

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2005 to 2006, 2008. In testing for 1999, 2001 to 2004, 2009, 2012 to 2013, 2016, 2022, 2026. Not supported for 2000, 2007, 2010 to 2011, 2014 to 2015, 2017 to 2021, 2023 to 2025.

DC-DC converter output current TUNDRA_DC_DC_CONV_OUTPUT

  • Request22 11 1C
  • Service 22DID 111C
  • Module7D2 → 7DA
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 25 ÷ 32)
Range
0 to 199 A
Unit
A

In testing for 2022, 2026. Not supported for 2023 to 2025.

Front axle coupling clutch current TUNDRA_FRONT_AXLE_COUPLING

  • Request22 10 0E
  • Service 22DID 100E
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 A
Unit
A

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Front axle coupling clutch position sensor status TUNDRA_FRONT_AXLE_COUPLING_CLU

  • Request22 10 0F
  • Service 22DID 100F
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bit 8 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Gear TUNDRA_GEARConfirmed

  • Request21 85
  • Service 21PID 85
  • Module7E0 → 7E8
  • Every400 ms
  • Testing for 1999 to 2009, 2013, 2022 to 2026

Example reply from a 2021 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x01 = 1 → 1

Formula
val
Range
0 to 20
Unit
Number

Confirmed for 2010 to 2012, 2014 to 2021. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2022 to 2025.

Gear TUNDRA_GEAR_700Confirmed

  • Request22 16 21
  • Service 22DID 1621
  • Module700 → 708
  • Every1 s
  • Testing for 1999 to 2022, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x01 = 1 → 1

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2023 to 2025. In testing for 1999, 2001 to 2004, 2009, 2012 to 2013, 2016, 2022, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2011, 2014 to 2015, 2017 to 2021.

Left coupling clutch current TUNDRA_LEFT_COUPLING_CLU

  • Request22 10 0E
  • Service 22DID 100E
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bits 32 to 47 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 A
Unit
A

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Lock up state TUNDRA_AT_LOCK_UP_STATEConfirmed

  • Request22 16 20
  • Service 22DID 1620
  • Module700 → 708
  • Every1 s
  • Testing for 1999 to 2022, 2026

Example reply from a 2025 Toyota Tundra.

Bit 7 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2023 to 2025. In testing for 1999, 2001 to 2004, 2009, 2012 to 2013, 2016, 2022, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2011, 2014 to 2015, 2017 to 2021.

Rear axle coupling clutch current TUNDRA_REAR_AXLE_COUPLING

  • Request22 10 0E
  • Service 22DID 100E
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bits 16 to 31 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 A
Unit
A

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Rear axle coupling clutch position sensor status TUNDRA_REAR_AXLE_COUPLING_CLU_POS

  • Request22 10 0F
  • Service 22DID 100F
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bit 9 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Right coupling clutch current TUNDRA_RIGHT_COUPLING_CLU

  • Request22 10 0E
  • Service 22DID 100E
  • Module7B1 → 7B9
  • Every1 s
  • Testing

Bits 48 to 63 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.535 A
Unit
A

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Torque converter and TE1 on TUNDRA_TQ_CONV_TE1_ON

  • Request21 39
  • Service 21PID 39
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bit 30 of the reply.

Formula
val
Range
0 to 1
Unit
Number

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Torque converter lock-up TUNDRA_TQC_LOCKUPConfirmed

Engages a clutch inside the torque converter to create a direct connection between the engine and transmission, reducing slippage and improving efficiency.

  • Request21 85
  • Service 21PID 85
  • Module7E0 → 7E8
  • Every400 ms
  • Testing for 1999 to 2009, 2013, 2022 to 2026

Example reply from a 2021 Toyota Tundra.

Bit 8 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2010 to 2012, 2014 to 2021. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2022 to 2025.

Transmission fluid post-converter temperature, variant 3 TUNDRA_TRANS_FLUID_POST_T_3

  • Request22 16 28
  • Service 22DID 1628
  • Module700 → 708
  • Every5 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Transmission fluid temperature, pan var.3 TUNDRA_ATF_T_PAN_V3Confirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request22 16 27
  • Service 22DID 1627
  • Module700 → 708
  • Every5 s
  • Testing for 1999 to 2022, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 256 − 40) = -40 °C

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

Confirmed for 2023 to 2025. In testing for 1999, 2001 to 2004, 2009, 2012 to 2013, 2016, 2022, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2011, 2014 to 2015, 2017 to 2021.

Transmission fluid temperature, variant 5 TUNDRA_ATF_T_V_5

  • Request21 D9
  • Service 21PID D9
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 32 to 47 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 8 TUNDRA_ATF_T_V_8

  • Request21 D9
  • Service 21PID D9
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 48 to 63 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 9 TUNDRA_ATF_T_V_9

  • Request21 D9
  • Service 21PID D9
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 32 to 47 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 10 TUNDRA_ATF_T_V_10_7E1

  • Request21 82
  • Service 21PID 82
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 11 TUNDRA_ATF_T_V_11

  • Request21 82
  • Service 21PID 82
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 16 to 31 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 12 TUNDRA_ATF_T_V_12

  • Request21 D9
  • Service 21PID D9
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 48 to 63 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 14 TUNDRA_ATF_T_V_14

  • Request21 D9
  • Service 21PID D9
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 14 TUNDRA_ATF_T_V_14_7E1

  • Request21 D9
  • Service 21PID D9
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 256 − 40)
Range
-40 to 215.996 °C
Unit
°C

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 21 TUNDRA_ATF_T_V_21

  • Request21 D9
  • Service 21PID D9
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

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

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission fluid temperature, variant 21 TUNDRA_ATF_T_V_21_7E1

  • Request21 D9
  • Service 21PID D9
  • Module7E1 → 7E9
  • Every5 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

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

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission oil pressure calibration, complete TUNDRA_TRANS_OIL_PRESS

  • Request21 83
  • Service 21PID 83
  • Module7E0 → 7E8
  • Every3600 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Number

In testing for 1999 to 2022, 2026. Not supported for 2023 to 2025.

Transmission shift state ratio TUNDRA_TRANS_SHIFT_ST_RAT

  • Request22 16 22
  • Service 22DID 1622
  • Module700 → 708
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 5333 ÷ 21845000)
Range
0 to 15.999
Unit
Number

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Transmission shift state ratio TUNDRA_TRANS_SHIFT_ST_RAT_701

  • Request22 16 22
  • Service 22DID 1622
  • Module701 → 709
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 5333 ÷ 21845000)
Range
0 to 15.999
Unit
Number

In testing for 1999 to 2007, 2009 to 2014, 2016 to 2017, 2020 to 2022, 2026. Not supported for 2008, 2015, 2018 to 2019, 2023 to 2025.

Transmission temperature, pan TUNDRA_ATF_PAN_TConfirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request21 82
  • Service 21PID 82
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1999 to 2009, 2013, 2022 to 2026

Example reply from a 2021 Toyota Tundra.

Bits 0 to 15 of the reply, 16 bits.

0x29E0 = 10720 → (10720 ÷ 256 − 40) = 1.875 °C

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

Confirmed for 2010 to 2012, 2014 to 2021. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2022 to 2025.

Transmission temperature, torque converter TUNDRA_ATF_TQC_TConfirmed

Pelican can show this parameter as the transmission fluid temperature.

  • Request21 82
  • Service 21PID 82
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1999 to 2009, 2013, 2022 to 2026

Example reply from a 2021 Toyota Tundra.

Bits 16 to 31 of the reply, 16 bits.

0x2A80 = 10880 → (10880 ÷ 256 − 40) = 2.5 °C

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

Confirmed for 2010 to 2012, 2014 to 2021. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2022 to 2025.

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