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Chevrolet Silverado 2500

Movement parameters

The Chevrolet Silverado 2500 has 14 movement parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Vehicle speed CHEVROLET_VSSConfirmed

Pelican can show this parameter as the speed.

  • Request22 00 0D
  • Service 22DID 000D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Example reply from a 2021 Chevrolet Silverado 2500.

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 2010, 2012, 2015 to 2017, 2021. In testing for 1999 to 2000, 2002 to 2009, 2011, 2013 to 2014, 2018 to 2020, 2022 to 2023, 2026. Not supported for 2001, 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.

AT output shaft speed CHEVROLET_OUTPUT_SHFT_SPD_7E1

  • Request22 19 42
  • Service 22DID 1942
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 1999 to 2014, 2016 to 2026. Not supported for 2015.

AT output shaft speed CHEVROLET_OUTPUT_SHFT_SPD_V3

  • Request22 19 42
  • Service 22DID 1942
  • ModuleDA18 → 2AF118
  • Every250 ms
  • Testing

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

Formula
(val ÷ 4)
Range
-8192 to 8191 rpm
Unit
rpm

In testing for 1999 to 2014, 2016 to 2026. Not supported for 2015.

Battery coolant pump speed CHEVROLET_BATT_CLT_PMP_RPM

  • Request22 41 B2
  • Service 22DID 41B2
  • Module7E4 → 7EC
  • Every1 s
  • Testing

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

Formula
val
Range
-32768 to 32767 rpm
Unit
rpm

In testing for 1999 to 2014, 2016 to 2026. Not supported for 2015.

Desired idle speed CHEVROLET_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 1999 to 2014, 2016 to 2026. Not supported for 2015.

Desired idle speed CHEVROLET_DES_IDLE_SPD_V2

  • Request22 11 92
  • Service 22DID 1192
  • ModuleDA11 → 2AF111
  • 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 1999 to 2014, 2016 to 2026. Not supported for 2015.

Output shaft speed CHEVROLET_OUTPUT_SHFT_SPD

  • Request22 19 42
  • Service 22DID 1942
  • Module7E4 → 7EC
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 4)
Range
0 to 63.75 rpm
Unit
rpm

In testing for 1999 to 2014, 2016 to 2026. Not supported for 2015.

Output shaft speed CHEVROLET_OUTPUT_SHFT_SPD_V2Confirmed

  • Request22 19 42
  • Service 22DID 1942
  • Module7E2 → 7EA
  • Every250 ms
  • Testing

Example reply from a 2015 Chevrolet Silverado 2500.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 ÷ 4) = 0 rpm

Formula
(val ÷ 4)
Range
0 to 63.75 rpm
Unit
rpm

Confirmed for 2015. In testing for 1999 to 2014, 2016 to 2026.

Torque converter clutch slip speed CHEVROLET_TC_SLIP_VSSConfirmed

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

Example reply from a 2015 Chevrolet Silverado 2500.

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

0x0000 = 0 → (0 × 1250 ÷ 10000) = 0 rpm

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

Confirmed for 2015. In testing for 1999 to 2014, 2016 to 2026.

Torque converter clutch slip speed CHEVROLET_TC_SLIP_VSS_DA18Confirmed

  • Request22 19 91
  • Service 22DID 1991
  • ModuleDA18 → 2AF118
  • Every1 s
  • Testing

Example reply from a 2025 Chevrolet Silverado 2500.

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

0x0000 = 0 → (0 × 1250 ÷ 10000) = 0 rpm

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

Confirmed for 2024 to 2025. In testing for 1999 to 2009, 2011, 2013 to 2014, 2018 to 2020, 2022 to 2023, 2026. Not supported for 2010, 2012, 2015 to 2017, 2021.

Torque converter clutch slip speed CHEVROLET_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 1999 to 2014, 2016 to 2026. Not supported for 2015.

Torque converter clutch slip speed CHEVROLET_TQ_CONV_CLU_SLIP_SPD_V2

  • Request22 19 91
  • Service 22DID 1991
  • ModuleDA11 → 2AF111
  • 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 1999 to 2014, 2016 to 2026. Not supported for 2015.

Vehicle speed CHEVROLET_VSSConfirmed

Pelican can show this parameter as the speed.

  • Request22 00 0D
  • Service 22DID 000D
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Example reply from a 2021 Chevrolet Silverado 2500.

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 2010, 2012, 2015 to 2017, 2021. In testing for 1999 to 2000, 2002 to 2009, 2011, 2013 to 2014, 2018 to 2020, 2022 to 2023, 2026. Not supported for 2001, 2024 to 2025.

Vehicle speed CHEVROLET_VSS_V2

Pelican can show this parameter as the speed.

  • Request22 00 0D
  • Service 22DID 000D
  • ModuleDA11 → 2AF111
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

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

In testing for 1999 to 2014, 2016 to 2026. Not supported for 2015.

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 2010, 2015, 2024 to 2025. Supported for 2007, 2011 to 2012, 2016 to 2017, 2021.

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