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Toyota Tacoma

Light parameters

The Toyota Tacoma has 9 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Check engine SW TACOMA_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010, 2024 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.

Check engine SW TACOMA_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010, 2024 to 2026.

Hazard switch history TACOMA_HAZARD_SWITCH_HISTORYConfirmed

  • Request21 BC
  • Service 21PID BC
  • Module7B0 → 7B8
  • Every30 s
  • Testing for 1995 to 2016, 2019 to 2021, 2023 to 2026

Example reply from a 2022 Toyota Tacoma.

Bit 2 of the reply.

0b0 = 0 → INCOMPLETE

Unit
Named states
States
Raw valueStateMeaning
0INCOMPLETEIncomplete
1COMPLETEComplete

Confirmed for 2017 to 2018, 2022. In testing for 1995 to 2011, 2015 to 2016, 2020, 2026. Not supported for 2012 to 2014, 2019, 2021, 2023 to 2025.

Oil pressure switch TACOMA_EOP_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 35 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Supported for 2011 to 2014. Not supported for 2006 to 2008, 2010, 2024 to 2026.

P-seatbelt buckle SW TACOMA_P_SEATBELT_BUCKLE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 8 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010, 2024 to 2026.

Rheostat TACOMA_RHEOSTATConfirmed

Higher values are brighter

  • Request21 68
  • Service 21PID 68
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015 to 2026

Example reply from a 2014 Toyota Tacoma.

Bits 0 to 7 of the reply, 8 bits.

0xFF = 255 → 255

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2011 to 2014. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010, 2016 to 2026.

Stop light TACOMA_STOP_LIGHT_SWConfirmed

  • Request21 1F
  • Service 21PID 1F
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1995 to 2009, 2011, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 0 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2010, 2012 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2011, 2024 to 2026.

Stop light TACOMA_STOP_LIGHT_SWITCHConfirmed

  • Request21 25
  • Service 21PID 25
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1995 to 2009, 2015 to 2016, 2018 to 2026

Example reply from a 2017 Toyota Tacoma.

Bit 5 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Number

Confirmed for 2010 to 2014, 2017. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2016, 2018 to 2019, 2021, 2024 to 2025.

Stop light relay TACOMA_STOP_LIGHT_RELAYConfirmed

  • Request21 3C
  • Service 21PID 3C
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1995 to 2011, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 0 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2012 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010 to 2011, 2024 to 2026.

Tail cancel SW TACOMA_TAIL_CANCEL_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1995 to 2010, 2015, 2024 to 2026

Example reply from a 2023 Toyota Tacoma.

Bit 2 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2011 to 2014, 2016 to 2023. In testing for 1995 to 2005, 2009, 2015. Not supported for 2006 to 2008, 2010, 2024 to 2026.

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