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Chevrolet Silverado 2500

Trip parameters

The Chevrolet Silverado 2500 has 5 trip parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Diesel particulate filter, average distance between regenerations CHEVROLET_DPF_AVG_DIST_BETWEEN_REGENSConfirmed

  • Request22 20 F7
  • Service 22DID 20F7
  • ModuleDA11 → 2AF111
  • Every1 s
  • Testing

Example reply from a 2025 Chevrolet Silverado 2500.

Bits 0 to 15 of the reply, 16 bits.

0x00AD = 173 → 173 km

Formula
val
Range
0 to 65535 km
Unit
km

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.

  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.

Diesel particulate filter, average distance between regenerations CHEVROLET_DPF_AVG_DIST_BETWEEN_REGENSConfirmed

  • Request22 20 F7
  • Service 22DID 20F7
  • ModuleDA11 → 2AF111
  • Every1 s
  • Testing

Example reply from a 2025 Chevrolet Silverado 2500.

Bits 0 to 15 of the reply, 16 bits.

0x00AD = 173 → 173 km

Formula
val
Range
0 to 65535 km
Unit
km

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.

Diesel particulate filter, distance since last regeneration CHEVROLET_DPF_DIST_SINCE_LAST_REGENConfirmed

  • Request22 30 39
  • Service 22DID 3039
  • ModuleDA11 → 2AF111
  • Every1 s
  • Testing

Example reply from a 2025 Chevrolet Silverado 2500.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 km

Formula
val
Range
0 to 65535 km
Unit
km

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.

Odometer CHEVROLET_ODO

Pelican can show this parameter as the odometer.

  • Request22 44 8F
  • Service 22DID 448F
  • ModuleDA1A → 2AF11A
  • Every30 s
  • Testing

Bits 0 to 31 of the reply, 32 bits.

Formula
(val × 156.25 ÷ 10000)
Range
0 to 1000000 km
Unit
km

In testing for 1999 to 2014, 2016 to 2023, 2025 to 2026. Not supported for 2015, 2024.

Odometer CHEVROLET_ODO_V2

u32/64 km. Verified against the dash to the mile (2,031,186/64 = 31,737 km = 19,720 mi). 22415B returns the same register.

Pelican can show this parameter as the odometer.

  • Request22 44 8F
  • Service 22DID 448F
  • ModuleDA40 → 40
  • Every30 s
  • Testing

Bits 0 to 31 of the reply, 32 bits.

Formula
(val ÷ 64)
Range
0 to 671088 km
Unit
km

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

Odometer ODOSAE J1979Confirmed

Pelican can show this parameter as the odometer.

  • Request01 A6
  • Service 01PID A6
  • Module7E0 → 7E8
  • Every1 s

Bits 0 to 31 of the reply, 32 bits.

Formula
(val ÷ 10)
Range
0 to 429496729.5 km
Unit
km

Confirmed for 2024 to 2025.

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