Control parameters
The Subaru Impreza has 12 control parameters.
● Confirmed◆ In testing○ Supported× Not supported
Absolute throttle position TPSAE J1979Confirmed
Throttle position at idle will usually be more than 0%, and throttle position at wide open throttle will usually be less than 100%.
Pelican can show this parameter as the throttle position.
- Request
01 11 - Service 01
PID 11 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2008 to 2009, 2012, 2015, 2018 to 2021, 2023 to 2025. Supported for 2010 to 2011, 2013 to 2014, 2017.
Absolute throttle position B TP_BSAE J1979Confirmed
Pelican can show this parameter as the throttle position.
- Request
01 47 - Service 01
PID 47 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2009, 2012, 2015, 2018 to 2020, 2024 to 2025.
Accelerator pedal position IMPREZA_ACC_POSConfirmed
- Request
22 10 A6 - Service 22
DID 10A6 - Module
7A2 - Every
250 ms - Testing for 1992 to 2014, 2016 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 × 100 ÷ 255) = 0 %
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2015, 2024 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016, 2022, 2026. Not supported for 2002, 2008 to 2014, 2017 to 2021, 2023.
Brake switch IMPREZA_BRAKE_SWITCH
- Request
22 12 33 - Service 22
DID 1233 - Module
7A2 → 7AA - Every
250 ms - Testing for 1992 to 2014, 2016 to 2026
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
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.
Clutch switch IMPREZA_CLUTCH_SWITCH
- Request
22 12 2F - Service 22
DID 122F - Module
7A2 → 7AA - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
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 to 2025.
Knocking signal IMPREZA_KNOCKING_SIGNALConfirmed
- Request
22 11 D0 - Service 22
DID 11D0 - Module
7A2 → 7AA - Every
1 s - Testing for 1992 to 2014, 2016 to 2023, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → 0 °
- Formula
val- Range
- 0 to 255 °
- Unit
- °
Confirmed for 2024 to 2025. 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.
Relative throttle position TP_RSAE J1979Confirmed
Relative or 'learned' throttle position.
- Request
01 45 - Service 01
PID 45 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2009, 2012, 2015, 2018, 2020, 2024 to 2025.
Steering wheel angle IMPREZA_STEER_ANGLEConfirmed
- Request
22 10 29 - Service 22
DID 1029 - Module
7B0 → 7B8 - Every
250 ms - Testing for 1992 to 2008, 2010 to 2011, 2016, 2022, 2026
Example reply from a 2025 Subaru Impreza.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x0001 = 1 → 1 °
- Formula
val- Range
- -32767 to 32767 °
- Unit
- °
Confirmed for 2009, 2012 to 2015, 2017 to 2021, 2023 to 2025. In testing for 1992 to 2001, 2003 to 2007, 2016, 2022, 2026. Not supported for 2002, 2008, 2010 to 2011.
Steering wheel angle, v2 IMPREZA_STEER_ANGLE_746
- Request
22 10 32 - Service 22
DID 1032 - Module
746 - Every
250 ms - Testing
Bits 0 to 7 of the reply, 8 bits. The value is signed.
- Formula
(val × 5)- Range
- -640 to 635 °
- Unit
- °
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 to 2025.
Control › Pedals
Accelerator pedal position (relative) APP_RSAE J1979Confirmed
- Request
01 5A - Service 01
PID 5A - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2009, 2012, 2015, 2018, 2020, 2024 to 2025.
Accelerator pedal position D APP_DSAE J1979Confirmed
- Request
01 49 - Service 01
PID 49 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2009, 2012, 2015, 2018, 2020, 2024 to 2025.
Accelerator pedal position E APP_ESAE J1979Confirmed
- Request
01 4A - Service 01
PID 4A - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2009, 2012, 2015, 2018, 2020, 2024 to 2025.