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Toyota Prius

Light parameters

The Toyota Prius has 9 light parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Check engine SW PRIUS_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2024 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.

Check engine SW PRIUS_CHECK_ENGINE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 15 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2024 to 2025.

Hazard switch history PRIUS_HAZARD_SWITCH_HISTORYConfirmed

  • Request21 BC
  • Service 21PID BC
  • Module7B0 → 7B8
  • Every3600 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 2 of the reply.

0b0 = 0 → INCOMPLETE

Unit
Named states
States
Raw valueStateMeaning
0INCOMPLETEIncomplete
1COMPLETEComplete

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Oil pressure switch PRIUS_EOP_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 35 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Supported for 2013. Not supported for 2009, 2024 to 2025.

P-seatbelt buckle SW PRIUS_P_SEATBELT_BUCKLE_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 8 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2024 to 2025.

Rheostat PRIUS_RHEOSTATConfirmed

Higher values are brighter

  • Request21 68
  • Service 21PID 68
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2026

Example reply from a 2013 Toyota Prius.

Bits 0 to 7 of the reply, 8 bits.

0xFD = 253 → 253

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2013. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2016, 2024 to 2025.

Stop light PRIUS_STOP_LIGHT_SWConfirmed

  • Request21 1F
  • Service 21PID 1F
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 0 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Stop light PRIUS_STOP_LIGHT_SWITCH

  • Request21 25
  • Service 21PID 25
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bit 5 of the reply.

Formula
val
Range
0 to 1
Unit
Number

In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2016, 2024 to 2025.

Stop light relay PRIUS_STOP_LIGHT_RELAYConfirmed

  • Request21 3C
  • Service 21PID 3C
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 1997 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 0 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2013, 2024 to 2025.

Tail cancel SW PRIUS_TAIL_CANCEL_LIGHTConfirmed

  • Request21 12
  • Service 21PID 12
  • Module7C0 → 7C8
  • Every1 s
  • Testing for 1997 to 2012, 2014 to 2015, 2017 to 2026

Example reply from a 2016 Toyota Prius.

Bit 2 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2013, 2016. In testing for 1997 to 2008, 2010 to 2012, 2014 to 2015, 2017 to 2023, 2026. Not supported for 2009, 2024 to 2025.

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