Battery parameters
The Subaru Impreza has 36 battery parameters.
● Confirmed◆ In testing○ Supported× Not supported
12V aux battery temperature IMPREZA_12V_AUX_BAT_T
- Request
22 20 E2 - Service 22
DID 20E2 - Module
7E7 → 7EF - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 °C
- Unit
- °C
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V aux battery voltage IMPREZA_12V_AUX_BAT_VOLTAGE
Pelican can show this parameter as the starter battery voltage.
- Request
22 10 37 - Service 22
DID 1037 - Module
7E7 → 7EF - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 25.5 ÷ 255)- Range
- 0 to 25.5 V
- Unit
- V
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V battery current IMPREZA_12V_CConfirmed
- Request
22 11 35 - Service 22
DID 1135 - Module
7A2 - Every
1 s - Testing for 1992 to 2014, 2016 to 2026
Example reply from a 2015 Subaru Impreza.
Bits 0 to 7 of the reply, 8 bits.
0x85 = 133 → (133 − 128) = 5 mA
- Formula
(val − 128)- Range
- -128 to 127 mA
- Unit
- mA
Confirmed for 2015. In testing for 1992 to 2001, 2003 to 2007, 2016, 2022, 2026. Not supported for 2002, 2008 to 2014, 2017 to 2021, 2023 to 2025.
12V battery temperature IMPREZA_12V_T
- Request
22 11 36 - Service 22
DID 1136 - Module
7A2 - 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 1992 to 2001, 2003 to 2007, 2016, 2022, 2026. Not supported for 2002, 2008 to 2015, 2017 to 2021, 2023 to 2025.
12V engine restart battery current IMPREZA_12V_CURRENT
- Request
22 20 12 - Service 22
DID 2012 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 10 − 2000)- Range
- -2000 to 4553.5 A
- Unit
- A
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V engine restart battery soc IMPREZA_12V_ENGINE_RESTART_BAT_SOC
- Request
22 10 77 - Service 22
DID 1077 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 127.5 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V engine restart battery soc control IMPREZA_12V_SOC_CONTROL
- Request
22 20 14 - Service 22
DID 2014 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 127.5 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V engine restart battery temperature IMPREZA_12V_ENGINE_RESTART_BAT_T
- Request
22 10 79 - Service 22
DID 1079 - Module
7E7 → 7EF - 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 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
12V engine restart battery voltage IMPREZA_12V_ENGINE_RESTART_BAT_VOLTAGE
- Request
22 10 39 - Service 22
DID 1039 - Module
7E7 → 7EF - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 25.5 ÷ 255)- Range
- 0 to 25.5 V
- Unit
- V
In testing for 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023 to 2025.
Battery charge/discharge current IMPREZA_BAT_CHARGE_DISCHARGE_CURRENTConfirmed
- Request
22 13 22 - Service 22
DID 1322 - Module
7A2 → 7AA - Every
1 s - Testing for 1992 to 2018, 2020 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 31 of the reply, 32 bits.
0x001E33B0 = 1979312 → (1979312 × 10 ÷ 10000 − 2000) = -20.688 A
- Formula
(val × 10 ÷ 10000 − 2000)- Range
- -2000 to 4292967 A
- Unit
- A
Confirmed for 2024 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016 to 2017, 2022, 2026. Supported for 2019. Not supported for 2002, 2008 to 2015, 2018, 2020 to 2021, 2023.
Battery terminal voltage IMPREZA_BAT_TERMINAL_VOLTAGEConfirmed
Pelican can show this parameter as the starter battery voltage.
- Request
22 13 21 - Service 22
DID 1321 - Module
7A2 → 7AA - Every
5 s - Testing for 1992 to 2018, 2020 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 15 of the reply, 16 bits.
0x2FAC = 12204 → (12204 ÷ 1000) = 12.204 V
- Formula
(val ÷ 1000)- Range
- 0 to 65.535 V
- Unit
- V
Confirmed for 2024 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016 to 2017, 2022, 2026. Supported for 2019. Not supported for 2002, 2008 to 2015, 2018, 2020 to 2021, 2023.
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 2009, 2012 to 2015, 2018 to 2021, 2024 to 2025. Supported for 2008, 2011, 2017, 2023.
Estimated battery temperature IMPREZA_ESTIMATED_BAT_TConfirmed
- Request
22 13 23 - Service 22
DID 1323 - Module
7A2 → 7AA - Every
5 s - Testing for 1992 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 15 of the reply, 16 bits.
0x007E = 126 → (126 ÷ 2 − 40) = 23 °C
- Formula
(val ÷ 2 − 40)- Range
- -40 to 32727.5 °C
- Unit
- °C
Confirmed for 2024 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016 to 2017, 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023.
High voltage battery cell temperature estimated IMPREZA_HVBAT_CELL_T
- Request
22 11 43 - Service 22
DID 1143 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 10 − 100)- Range
- -100 to 6453.5 °C
- Unit
- °C
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery charge power IMPREZA_HVBAT_CHG_POWER
- Request
22 20 26 - Service 22
DID 2026 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 10)- Range
- 0 to 25.5 kW
- Unit
- kW
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery cooling fan duty output IMPREZA_HVBAT_COOLING_FAN_DUTY
- Request
22 10 84 - Service 22
DID 1084 - Module
7E6 → 7EE - Every
1 s - Testing
Bits 0 to 31 of the reply, 32 bits.
- Formula
val- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery cooling fan duty, target IMPREZA_HVBAT_COOLING_FAN_DUTY_TGT
- Request
22 10 7A - Service 22
DID 107A - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery cooling fan duty, target IMPREZA_HVBAT_COOLING_FAN_DUTY_TGT_7E7
- Request
22 20 0C - Service 22
DID 200C - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535 rpm
- Unit
- rpm
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery cooling fan duty, target IMPREZA_HVBAT_COOLING_FAN_TGT
- Request
22 10 82 - Service 22
DID 1082 - Module
7E6 → 7EE - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery cooling fan speed IMPREZA_HVBAT_COOLING_FAN
- Request
22 10 81 - Service 22
DID 1081 - Module
7E6 → 7EE - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535 rpm
- Unit
- rpm
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery current IMPREZA_HVBAT_CURRENT
- Request
22 20 0A - Service 22
DID 200A - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 10 − 200)- Range
- -200 to 6353.5 A
- Unit
- A
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery discharge power IMPREZA_HVBAT_DCHG_POWER
- Request
22 20 25 - Service 22
DID 2025 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 10)- Range
- 0 to 25.5 kW
- Unit
- kW
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery intake air temperature IMPREZA_HVBAT_IAT
- Request
22 10 2D - Service 22
DID 102D - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 2 − 100)- Range
- -100 to 32667.5 °C
- Unit
- °C
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery intake air temperature IMPREZA_HVBAT_IAT_7E7
- Request
22 20 24 - Service 22
DID 2024 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery state of charge IMPREZA_HVBAT_ST_CHG
- Request
22 10 21 - Service 22
DID 1021 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2)- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery state of charge IMPREZA_HVBAT_ST_CHG_7E7
- Request
22 10 33 - Service 22
DID 1033 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2)- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery state of health IMPREZA_HVBAT_ST_HEALTH
- Request
22 20 21 - Service 22
DID 2021 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2)- Range
- 0 to 100 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery temperature 1 IMPREZA_HVBAT_T_1
- Request
22 10 2A - Service 22
DID 102A - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 2 − 100)- Range
- -100 to 32667.5 °C
- Unit
- °C
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery temperature 2 IMPREZA_HVBAT_T_2
- Request
22 10 2B - Service 22
DID 102B - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 2 − 100)- Range
- -100 to 32667.5 °C
- Unit
- °C
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery temperature 3 IMPREZA_HVBAT_T_3
- Request
22 10 2C - Service 22
DID 102C - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 2 − 100)- Range
- -100 to 32667.5 °C
- Unit
- °C
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery temperature max IMPREZA_HVBAT_T_MAX
- Request
22 20 22 - Service 22
DID 2022 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery temperature min IMPREZA_HVBAT_T_MIN
- Request
22 20 23 - Service 22
DID 2023 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 2 − 40)- Range
- -40 to 87.5 %
- Unit
- %
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
High voltage battery total voltage IMPREZA_HVBAT_TOT_V
- Request
22 20 09 - Service 22
DID 2009 - Module
7E7 → 7EF - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 10)- Range
- 0 to 6553.5 V
- Unit
- V
In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2023, 2025 to 2026. Not supported for 2010, 2015, 2019 to 2021, 2024.
Mass airflow sensor voltage IMPREZA_MAF_VOLTAGE
- Request
22 10 A1 - Service 22
DID 10A1 - Module
7A2 → 7AA - Every
1 s - Testing for 1992 to 2014, 2016 to 2026
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val ÷ 50)- Range
- 0 to 5.1 V
- Unit
- V
In testing for 1992 to 2001, 2003 to 2007, 2016 to 2017, 2022, 2026. Supported for 2015. Not supported for 2002, 2008 to 2014, 2018 to 2021, 2023 to 2025.
Remaining battery capacity IMPREZA_REMAINING_BAT_CAPACITYConfirmed
Pelican can show this parameter as the state of charge.
- Request
22 13 24 - Service 22
DID 1324 - Module
7A2 → 7AA - Every
1 s - Testing for 1992 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 15 of the reply, 16 bits.
0x03BD = 957 → (957 ÷ 10) = 95.7 %
- Formula
(val ÷ 10)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2024 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016 to 2017, 2022, 2026. Not supported for 2002, 2008 to 2015, 2018 to 2021, 2023.
Throttle motor voltage IMPREZA_THROTTLE_MOTOR_VConfirmed
- Request
22 12 75 - Service 22
DID 1275 - Module
7E0 → 7E8 - Every
1 s - Testing for 1992 to 2014, 2016 to 2018, 2022 to 2026
Example reply from a 2021 Subaru Impreza.
Bits 0 to 7 of the reply, 8 bits.
0xAE = 174 → (174 × 2 ÷ 25) = 13.92 V
- Formula
(val × 2 ÷ 25)- Range
- 0 to 20.4 V
- Unit
- V
Confirmed for 2015, 2019 to 2021. In testing for 1992 to 2009, 2011 to 2014, 2016 to 2018, 2022 to 2026. Not supported for 2010.