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GMC Acadia

Movement parameters

The GMC Acadia has 5 movement parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Vehicle speed ACADIA_VSSConfirmed

Pelican can show this parameter as the speed.

  • Request22 00 0D
  • Service 22DID 000D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2007 to 2010, 2012 to 2018, 2022

Example reply from a 2023 GMC Acadia.

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 2011, 2019 to 2021, 2023. In testing for 2007 to 2010, 2012 to 2018, 2022. Not supported for 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.

Desired idle speed ACADIA_DES_IDLE_SPD

  • Request22 11 92
  • Service 22DID 1192
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 12.5)
Range
0 to 3187.5 rpm
Unit
rpm

In testing for 2007 to 2023.

Torque converter clutch slip speed ACADIA_TC_SLIP_VSS

  • Request22 19 91
  • Service 22DID 1991
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val × 1250 ÷ 10000)
Range
-4096 to 4095.875 rpm
Unit
rpm

In testing for 2007 to 2023.

Torque converter clutch slip speed ACADIA_TQ_CONV_CLU_SLIP_SPD

  • Request22 19 91
  • Service 22DID 1991
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 8)
Range
-4096 to 4095.875 rpm
Unit
rpm

In testing for 2007 to 2023.

Vehicle speed ACADIA_VSSConfirmed

Pelican can show this parameter as the speed.

  • Request22 00 0D
  • Service 22DID 000D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2007 to 2010, 2012 to 2018, 2022

Example reply from a 2023 GMC Acadia.

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 2011, 2019 to 2021, 2023. In testing for 2007 to 2010, 2012 to 2018, 2022. Not supported for 2025.

Vehicle speed VSSSAE J1979Confirmed

Pelican can show this parameter as the speed.

  • Request01 0D
  • Service 01PID 0D
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

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

Confirmed for 2011. Supported for 2017, 2019 to 2021, 2023, 2025.

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