Battery parameters
The Chevrolet Blazer has 7 battery parameters.
● Confirmed◆ In testing○ Supported× Not supported
Charge air cooler temperature sensor 1 BLAZER_CHARGE_AIR_COOLER_T_SNS_1
- Request
22 30 AD - Service 22
DID 30AD - Module
7E0 → 7E8 - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026. Not supported for 2022.
Charge air cooler temperature sensor 1 BLAZER_CHARGE_AIR_COOLER_T_SNS_1_DA11
- Request
22 30 AD - Service 22
DID 30AD - Module
DA11 → 2AF111 - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026. Not supported for 2022.
Charge air cooler temperature sensor 2 BLAZER_CHARGE_AIR_COOLER_T_SNS_2
- Request
22 30 AE - Service 22
DID 30AE - Module
7E0 → 7E8 - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026. Not supported for 2022.
Charge air cooler temperature sensor 2 BLAZER_CHARGE_AIR_COOLER_T_SNS_2_DA11
- Request
22 30 AE - Service 22
DID 30AE - Module
DA11 → 2AF111 - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026. Not supported for 2022.
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.
- Request
01 42 - Service 01
PID 42 - Module
7E0 → 7E8 - Every
10 s
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 1000)- Range
- 0 to 65535 V
- Unit
- V
Confirmed for 2020, 2022, 2025. Supported for 2024.
Ignition 1 voltage BLAZER_IGN_1_VConfirmed
- Request
22 11 41 - Service 22
DID 1141 - Module
7E0 → 7E8 - Every
1 s - Testing for 1988 to 2012, 2019 to 2021, 2023 to 2026
Example reply from a 2022 Chevrolet Blazer.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 ÷ 10) = 0 V
- Formula
(val ÷ 10)- Range
- 0 to 25.5 V
- Unit
- V
Confirmed for 2022. In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026.
M control module voltage BLAZER_M_CTRL_MODULE_VConfirmed
- Request
22 00 42 - Service 22
DID 0042 - Module
7E0 → 7E8 - Every
5 s - Testing for 1988 to 2012, 2019 to 2021, 2023 to 2026
Example reply from a 2022 Chevrolet Blazer.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 1000) = 0 V
- Formula
(val ÷ 1000)- Range
- 0 to 65.53 V
- Unit
- V
Confirmed for 2022. In testing for 1988 to 2012, 2019 to 2021, 2023 to 2026.