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Subaru Legacy

Cruise control parameters

The Subaru Legacy has 6 cruise control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Cruise control cancel switch SUBARU_CC_CANCEL_SWITCHConfirmed

  • Request22 12 4A
  • Service 22DID 124A
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

  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.

Cruise control cancel switch SUBARU_CC_CANCEL_SWITCHConfirmed

  • Request22 12 4A
  • Service 22DID 124A
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

Cruise control main toggle switch SUBARU_CC_MAIN_TOGGLE_SWITCHConfirmed

  • Request22 12 34
  • Service 22DID 1234
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

Cruise control resume/accelerate switch SUBARU_CC_RESUME_ACCELERATE_SWITCHConfirmed

  • Request22 12 32
  • Service 22DID 1232
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

Cruise control set/coast switch SUBARU_CC_SET_COAST_SWITCHConfirmed

  • Request22 12 31
  • Service 22DID 1231
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

Cruise control speed SUBARU_CC_SPD

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

Bits 8 to 15 of the reply, 8 bits.

Formula
val
Range
0 to 255 km/h
Unit
km/h

In testing for 1989 to 2025.

Cruise speed, set SUBARU_CRUISE_VSS_TConfirmed

  • Request22 10 E3
  • Service 22DID 10E3
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2024 Subaru Legacy.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0 km/h

Formula
val
Range
0 to 255 km/h
Unit
km/h

Confirmed for 2024. In testing for 1989 to 2003, 2005 to 2010, 2012 to 2015, 2017 to 2023, 2025. Not supported for 2004, 2011, 2016.

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