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Subaru Impreza

Control parameters

The Subaru Impreza has 12 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Accelerator pedal position IMPREZA_ACC_POSConfirmed

  • Request22 10 A6
  • Service 22DID 10A6
  • Module7A2
  • Every250 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.

  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.

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.

  • Request01 11
  • Service 01PID 11
  • Module7E0 → 7E8
  • Every250 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.

  • Request01 47
  • Service 01PID 47
  • Module7E0 → 7E8
  • Every250 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

  • Request22 10 A6
  • Service 22DID 10A6
  • Module7A2
  • Every250 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

  • Request22 12 33
  • Service 22DID 1233
  • Module7A2 → 7AA
  • Every250 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

  • Request22 12 2F
  • Service 22DID 122F
  • Module7A2 → 7AA
  • Every1 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

  • Request22 11 D0
  • Service 22DID 11D0
  • Module7A2 → 7AA
  • Every1 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.

  • Request01 45
  • Service 01PID 45
  • Module7E0 → 7E8
  • Every250 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

  • Request22 10 29
  • Service 22DID 1029
  • Module7B0 → 7B8
  • Every250 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

  • Request22 10 32
  • Service 22DID 1032
  • Module746
  • Every250 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

  • Request01 5A
  • Service 01PID 5A
  • Module7E0 → 7E8
  • Every250 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

  • 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 2009, 2012, 2015, 2018, 2020, 2024 to 2025.

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 2009, 2012, 2015, 2018, 2020, 2024 to 2025.

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