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Chevrolet Silverado 1500

Clock parameters

The Chevrolet Silverado 1500 has 2 clock parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Time since engine start SILVERADO1500_RUNTMConfirmed

  • Request22 11 A1
  • Service 22DID 11A1
  • Module7E0
  • Every1 s
  • Testing for 1999 to 2007, 2009, 2011, 2013, 2015, 2023 to 2026

Example reply from a 2022 Chevrolet Silverado 1500.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 s

Formula
val
Range
0 to 65535 s
Unit
s

Confirmed for 2008, 2010, 2012, 2014, 2016 to 2022. In testing for 1999 to 2007, 2009, 2011, 2013. Not supported for 2015, 2023 to 2026.

  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 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 2019 to 2023, 2026. Supported for 2008, 2010, 2012, 2014 to 2018, 2024 to 2025.

Time since engine start SILVERADO1500_RUNTMConfirmed

  • Request22 11 A1
  • Service 22DID 11A1
  • Module7E0
  • Every1 s
  • Testing for 1999 to 2007, 2009, 2011, 2013, 2015, 2023 to 2026

Example reply from a 2022 Chevrolet Silverado 1500.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 s

Formula
val
Range
0 to 65535 s
Unit
s

Confirmed for 2008, 2010, 2012, 2014, 2016 to 2022. In testing for 1999 to 2007, 2009, 2011, 2013. Not supported for 2015, 2023 to 2026.

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