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Chevrolet Silverado 2500

Clock parameters

The Chevrolet Silverado 2500 has 3 clock parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Time since engine start CHEVROLET_RUNTMConfirmed

  • Request22 11 A1
  • Service 22DID 11A1
  • Module7E0
  • Every1 s
  • Testing

Example reply from a 2021 Chevrolet Silverado 2500.

Bits 0 to 15 of the reply, 16 bits.

0x0071 = 113 → 113 s

Formula
val
Range
0 to 65535 s
Unit
s

Confirmed for 2010, 2012, 2016 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, 2015, 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.

Time since engine start CHEVROLET_RUNTMConfirmed

  • Request22 11 A1
  • Service 22DID 11A1
  • Module7E0
  • Every1 s
  • Testing

Example reply from a 2021 Chevrolet Silverado 2500.

Bits 0 to 15 of the reply, 16 bits.

0x0071 = 113 → 113 s

Formula
val
Range
0 to 65535 s
Unit
s

Confirmed for 2010, 2012, 2016 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, 2015, 2024 to 2025.

Time since engine start CHEVROLET_RUNTM_V2

  • Request22 11 A1
  • Service 22DID 11A1
  • ModuleDA11 → 2AF111
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
val
Range
0 to 65535 s
Unit
s

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

Time since engine start RUNTMSAE J1979Confirmed

Increments while the engine is running. Freezes if the engine stalls. Resets to zero during every control module power-up and when entering the key-on, engine off position. Limited to 65,535 seconds and will not wrap around to zero.

  • Request01 1F
  • Service 01PID 1F
  • Module7E0 → 7E8
  • Every1 s

Bits 0 to 15 of the reply, 16 bits.

Formula
val
Range
0 to 65535 s
Unit
s

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

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