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Chevrolet Bolt EV

Control parameters

The Chevrolet Bolt EV has 8 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake motor driver temperature 1 BOLT_BRAKE_MOTOR_DRIVER_1Confirmed

  • Request22 45 09
  • Service 22DID 4509
  • Module7E6 → 7EE
  • Every5 s
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

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

0x40 = 64 → 64 °C

Formula
val
Range
-128 to 127 °C
Unit
°C

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 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.

Brake motor driver temperature 1 BOLT_BRAKE_MOTOR_DRIVER_1Confirmed

  • Request22 45 09
  • Service 22DID 4509
  • Module7E6 → 7EE
  • Every5 s
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

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

0x40 = 64 → 64 °C

Formula
val
Range
-128 to 127 °C
Unit
°C

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Brake motor driver temperature 2 BOLT_BRAKE_MOTOR_DRIVER_2Confirmed

  • Request22 45 0A
  • Service 22DID 450A
  • Module7E6 → 7EE
  • Every5 s
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

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

0x40 = 64 → 64 °C

Formula
val
Range
-128 to 127 °C
Unit
°C

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Brake pedal position 1 BOLT_BRAKE_PEDAL_POS_1Confirmed

  • Request22 45 01
  • Service 22DID 4501
  • Module7E6 → 7EE
  • Every250 ms
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

Bits 0 to 15 of the reply, 16 bits. The value is signed.

0x0131 = 305 → (305 ÷ 100) = 3.05 mm

Formula
(val ÷ 100)
Range
-327 to 327 mm
Unit
mm

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Brake pedal position 2 BOLT_BRAKE_PEDAL_POS_2Confirmed

  • Request22 45 02
  • Service 22DID 4502
  • Module7E6 → 7EE
  • Every250 ms
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

Bits 0 to 15 of the reply, 16 bits. The value is signed.

0x014A = 330 → (330 ÷ 100) = 3.3 mm

Formula
(val ÷ 100)
Range
-327 to 327 mm
Unit
mm

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Brake pedal position circuit signal BOLT_BRAKE_PEDAL_POSConfirmed

  • Request22 11 24
  • Service 22DID 1124
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0

Formula
val
Range
0 to 255
Unit
Number

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Brake torque BOLT_BRAKE_TQConfirmed

  • Request22 24 2C
  • Service 22DID 242C
  • Module7E1 → 7E9
  • Every250 ms
  • Testing for 2018 to 2019, 2021 to 2022, 2024 to 2026

Example reply from a 2023 Chevrolet Bolt EV.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 2) = 0 N·m

Formula
(val ÷ 2)
Range
0 to 32767 N·m
Unit
N·m

Confirmed for 2017, 2020, 2023. In testing for 2018 to 2019, 2021 to 2022, 2024 to 2026.

Control › Pedals

Accelerator pedal position D APP_DSAE J1979Confirmed

  • Request01 49
  • Service 01PID 49
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2017. Supported for 2018 to 2023.

Accelerator pedal position E APP_ESAE J1979Confirmed

  • Request01 4A
  • Service 01PID 4A
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2017. Supported for 2018 to 2023.

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