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Subaru Ascent

Movement parameters

The Subaru Ascent has 17 movement parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Front wheel speed SUBARU_FRONT_WHEEL_SPEEDConfirmed

  • Request22 11 47
  • Service 22DID 1147
  • Module7A3 → 7AB
  • Every1 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 rpm

Formula
val
Range
0 to 65535 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2026. Not supported for 2019 to 2022.

  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.

Drive motor speed SUBARU_DRIVEMOTOR_SPEED

  • Request22 10 58
  • Service 22DID 1058
  • Module7E6 → 7EE
  • Every1 s
  • Testing

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

Formula
val
Range
-32768 to 32767 rpm
Unit
rpm

In testing for 2026. Not supported for 2019 to 2025.

Drive motor speed target SUBARU_DRIVEMOTOR_SPEED_TARGET

  • Request22 10 59
  • Service 22DID 1059
  • Module7E6 → 7EE
  • Every1 s
  • Testing

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

Formula
val
Range
-32768 to 32767 rpm
Unit
rpm

In testing for 2026. Not supported for 2019 to 2025.

Electric oil pump speed SUBARU_ELECTRIC_OIL_PUMP_SPEED

  • Request22 20 34
  • Service 22DID 2034
  • Module7E7 → 7EF
  • Every1 s
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
val
Range
0 to 65535 rpm
Unit
rpm

In testing for 2026. Not supported for 2019 to 2025.

Front left wheel speed SUBARU_TIRE_FL_SPD

  • Request21 03
  • Service 21PID 03
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
(val × 256 ÷ 200)
Range
0 to 326.4 km/h
Unit
km/h

In testing for 2019 to 2026.

Front right wheel speed SUBARU_TIRE_FR_SPD

  • Request21 03
  • Service 21PID 03
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
(val × 256 ÷ 200)
Range
0 to 326.4 km/h
Unit
km/h

In testing for 2019 to 2026.

Front wheel speed SUBARU_FRONT_WHEEL_SPEEDConfirmed

  • Request22 11 47
  • Service 22DID 1147
  • Module7A3 → 7AB
  • Every1 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 rpm

Formula
val
Range
0 to 65535 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2026. Not supported for 2019 to 2022.

Main accelerator sensor SUBARU_MAIN_ACCEL_SENSConfirmed

  • Request22 12 79
  • Service 22DID 1279
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Example reply from a 2022 Subaru Ascent.

Bits 0 to 7 of the reply, 8 bits.

0x21 = 33 → (33 ÷ 50) = 0.66 V

Formula
(val ÷ 50)
Range
0 to 5.1 V
Unit
V

Confirmed for 2022. In testing for 2019 to 2021, 2023 to 2026.

Primary pulley speed SUBARU_PRIMARY_PULLEY_SPEEDConfirmed

  • Request22 11 46
  • Service 22DID 1146
  • Module7A3 → 7AB
  • Every1 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x02FD = 765 → 765 rpm

Formula
val
Range
0 to 65535 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2026. Not supported for 2019 to 2022.

Rear left wheel speed SUBARU_TIRE_RL_SPD

  • Request21 03
  • Service 21PID 03
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 256 ÷ 200)
Range
0 to 326.4 km/h
Unit
km/h

In testing for 2019 to 2026.

Rear right wheel speed SUBARU_TIRE_RR_SPD

  • Request21 03
  • Service 21PID 03
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Bits 24 to 31 of the reply, 8 bits.

Formula
(val × 256 ÷ 200)
Range
0 to 326.4 km/h
Unit
km/h

In testing for 2019 to 2026.

Secondary pulley speed SUBARU_SECONDARY_PULLEY_SPEEDConfirmed

  • Request22 11 38
  • Service 22DID 1138
  • Module7A3 → 7AB
  • Every1 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x013D = 317 → 317 rpm

Formula
val
Range
0 to 65535 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2026. Not supported for 2019 to 2022.

Sub accelerator sensor SUBARU_SUB_ACCEL_SENSConfirmed

  • Request22 12 78
  • Service 22DID 1278
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Example reply from a 2022 Subaru Ascent.

Bits 0 to 7 of the reply, 8 bits.

0x20 = 32 → (32 ÷ 50) = 0.64 V

Formula
(val ÷ 50)
Range
0 to 5.1 V
Unit
V

Confirmed for 2022. In testing for 2019 to 2021, 2023 to 2026.

Target engine speed SUBARU_TARGET_ENGINE_SPEEDConfirmed

  • Request22 11 21
  • Service 22DID 1121
  • Module7A2 → 7AA
  • Every1 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0C80 = 3200 → (3200 ÷ 4) = 800 rpm

Formula
(val ÷ 4)
Range
0 to 16383.75 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2020, 2026. Not supported for 2019, 2021 to 2022.

Transmission turbine speed SUBARU_TRANS_TURBINE_SPDConfirmed

  • Request22 12 98
  • Service 22DID 1298
  • Module7E0 → 7E8
  • Every250 ms
  • Testing

Example reply from a 2022 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → 0 rpm

Formula
val
Range
0 to 65535 rpm
Unit
rpm

Confirmed for 2022. In testing for 2019 to 2021, 2023 to 2026.

Turbine revolution speed SUBARU_TURBINE_REVOLUTION

  • Request22 11 CB
  • Service 22DID 11CB
  • Module7E1 → 7E9
  • Every250 ms
  • Testing

Bits 0 to 15 of the reply, 16 bits.

Formula
(val × 32)
Range
0 to 2097120 rpm
Unit
rpm

In testing for 2019 to 2021, 2023 to 2026. Not supported for 2022.

Turbine speed SUBARU_TURBINE_SPEEDConfirmed

  • Request22 10 CB
  • Service 22DID 10CB
  • Module7A3 → 7AB
  • Every250 ms
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 7 of the reply, 8 bits.

0x17 = 23 → (23 × 32) = 736 rpm

Formula
(val × 32)
Range
0 to 8160 rpm
Unit
rpm

Confirmed for 2023 to 2025. In testing for 2020, 2026. Not supported for 2019, 2021 to 2022.

Vehicle speed VSSSAE J1979Confirmed

Pelican can show this parameter as the speed.

  • Request01 0D
  • Service 01PID 0D
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255 km/h
Unit
km/h

Confirmed for 2019 to 2025.

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