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Cadillac LYRIQ

Engine parameters

The Cadillac LYRIQ has 2 engine parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake pressure LYRIQ_BPConfirmed

  • Request22 4A 7C
  • Service 22DID 4A7C
  • ModuleDA28
  • Every250 ms
  • Testing for 2023, 2025 to 2026

Bits 0 to 7 of the reply, 8 bits. The value is signed.

Formula
(val × 100 − 1000)
Range
-13800 to 11700 kPa
Unit
kPa

Confirmed for 2024. In testing for 2023, 2026. 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.

Brake pressure LYRIQ_BPConfirmed

  • Request22 4A 7C
  • Service 22DID 4A7C
  • ModuleDA28
  • Every250 ms
  • Testing for 2023, 2025 to 2026

Bits 0 to 7 of the reply, 8 bits. The value is signed.

Formula
(val × 100 − 1000)
Range
-13800 to 11700 kPa
Unit
kPa

Confirmed for 2024. In testing for 2023, 2026. Not supported for 2025.

Engine RPM RPMSAE J1979Confirmed

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

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 4)
Range
0 to 16383.75 rpm
Unit
rpm

Confirmed for 2025. Supported for 2024.

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