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Chevrolet Trailblazer

Battery parameters

The Chevrolet Trailblazer has 5 battery parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Charge air cooler temperature sensor 1 TRAILBLAZER_CHARGE_AIR_COOLER_T_SNS_1

  • Request22 30 AD
  • Service 22DID 30AD
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2021 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.

Charge air cooler temperature sensor 1 TRAILBLAZER_CHARGE_AIR_COOLER_T_SNS_1

  • Request22 30 AD
  • Service 22DID 30AD
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2021 to 2026.

Charge air cooler temperature sensor 2 TRAILBLAZER_CHARGE_AIR_COOLER_T_SNS_2

  • Request22 30 AE
  • Service 22DID 30AE
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2021 to 2026.

Control module voltage VPWRSAE J1979Confirmed

Power input to the OBD control module. VPWR is normally battery voltage, less any voltage drop in the circuit between the battery and the control module.

Pelican can show this parameter as the starter battery voltage.

  • Request01 42
  • Service 01PID 42
  • Module7E0 → 7E8
  • Every10 s

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65535 V
Unit
V

Confirmed for 2021 to 2022, 2024 to 2025. Supported for 2008, 2023.

Ignition 1 voltage TRAILBLAZER_IGN_1_V

  • Request22 11 41
  • Service 22DID 1141
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 10)
Range
0 to 25.5 V
Unit
V

In testing for 2021 to 2026.

M control module voltage TRAILBLAZER_M_CTRL_MODULE_V

  • Request22 00 42
  • Service 22DID 0042
  • Module7E0 → 7E8
  • Every5 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65.53 V
Unit
V

In testing for 2021 to 2026.

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