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Subaru Ascent

Tire parameters

The Subaru Ascent has 27 tire parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Front left tire pressure SUBARU_TP_FLConfirmed

Pelican can show this parameter as the front left tire pressure.

  • Request22 10 22
  • Service 22DID 1022
  • Module753 → 75B
  • Every15 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 24 to 31 of the reply, 8 bits.

0xB3 = 179 → (179 ÷ 5) = 35.8 psi

Formula
(val ÷ 5)
Range
0 to 51 psi
Unit
psi

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

Front left tire pressure SUBARU_TP_FLConfirmed

Pelican can show this parameter as the front left tire pressure.

  • Request22 10 22
  • Service 22DID 1022
  • Module753 → 75B
  • Every15 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 24 to 31 of the reply, 8 bits.

0xB3 = 179 → (179 ÷ 5) = 35.8 psi

Formula
(val ÷ 5)
Range
0 to 51 psi
Unit
psi

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

Front left tire pressure SUBARU_TP_FL_750

Pelican can show this parameter as the front left tire pressure.

  • Request21 30
  • Service 21PID 30
  • Module750
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Front left tire pressure, variant 2 SUBARU_TP_2_FL

Pelican can show this parameter as the front left tire pressure.

  • Request21 15
  • Service 21PID 15
  • Module750
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Front left tire temperature SUBARU_TT_FL

  • Request21 16
  • Service 21PID 16
  • Module750 → 758
  • Every5 s
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2019 to 2026.

Front left wheel speed SUBARU_FL_VSSConfirmed

  • Request22 10 25
  • Service 22DID 1025
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 × 562.5 ÷ 10000) = 0 km/h

Formula
(val × 562.5 ÷ 10000)
Range
0 to 3686 km/h
Unit
km/h

Confirmed for 2019 to 2025. In testing for 2026.

Front right tire pressure SUBARU_TP_FRConfirmed

Pelican can show this parameter as the front right tire pressure.

  • Request22 10 22
  • Service 22DID 1022
  • Module753 → 75B
  • Every15 s
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
(val ÷ 5)
Range
0 to 51 psi
Unit
psi

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

Front right tire pressure SUBARU_TP_FR_750

Pelican can show this parameter as the front right tire pressure.

  • Request21 30
  • Service 21PID 30
  • Module750
  • Every5 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Front right tire pressure, variant 2 SUBARU_TP_2_FR

Pelican can show this parameter as the front right tire pressure.

  • Request21 15
  • Service 21PID 15
  • Module750
  • Every5 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Front right tire temperature SUBARU_TT_FR

  • Request21 16
  • Service 21PID 16
  • Module750 → 758
  • Every5 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2019 to 2026.

Front right wheel speed SUBARU_FR_VSSConfirmed

  • Request22 10 24
  • Service 22DID 1024
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 × 562.5 ÷ 10000) = 0 km/h

Formula
(val × 562.5 ÷ 10000)
Range
0 to 3686 km/h
Unit
km/h

Confirmed for 2019 to 2025. In testing for 2026.

Rear left tire pressure SUBARU_TP_RLConfirmed

Pelican can show this parameter as the rear left tire pressure.

  • Request22 10 22
  • Service 22DID 1022
  • Module753 → 75B
  • Every15 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 7 of the reply, 8 bits.

0xB3 = 179 → (179 ÷ 5) = 35.8 psi

Formula
(val ÷ 5)
Range
0 to 51 psi
Unit
psi

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

Rear left tire pressure SUBARU_TP_RL_750

Pelican can show this parameter as the rear left tire pressure.

  • Request21 30
  • Service 21PID 30
  • Module750
  • Every5 s
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Rear left tire pressure, variant 2 SUBARU_TP_2_RL

Pelican can show this parameter as the rear left tire pressure.

  • Request21 15
  • Service 21PID 15
  • Module750
  • Every5 s
  • Testing

Bits 16 to 23 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Rear left tire temperature SUBARU_TT_RL

  • Request21 16
  • Service 21PID 16
  • Module750 → 758
  • Every5 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2019 to 2026.

Rear left wheel speed SUBARU_RL_VSSConfirmed

  • Request22 10 27
  • Service 22DID 1027
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 × 562.5 ÷ 10000) = 0 km/h

Formula
(val × 562.5 ÷ 10000)
Range
0 to 3686 km/h
Unit
km/h

Confirmed for 2019 to 2025. In testing for 2026.

Rear right tire pressure SUBARU_TP_RRConfirmed

Pelican can show this parameter as the rear right tire pressure.

  • Request22 10 22
  • Service 22DID 1022
  • Module753 → 75B
  • Every15 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
(val ÷ 5)
Range
0 to 51 psi
Unit
psi

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

Rear right tire pressure SUBARU_TP_RR_750

Pelican can show this parameter as the rear right tire pressure.

  • Request21 30
  • Service 21PID 30
  • Module750
  • Every5 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Rear right tire pressure, variant 2 SUBARU_TP_2_RR

Pelican can show this parameter as the rear right tire pressure.

  • Request21 15
  • Service 21PID 15
  • Module750
  • Every5 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Rear right tire temperature SUBARU_TT_RR

  • Request21 16
  • Service 21PID 16
  • Module750 → 758
  • Every5 s
  • Testing

Bits 24 to 31 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2019 to 2026.

Rear right wheel speed SUBARU_RR_VSSConfirmed

  • Request22 10 26
  • Service 22DID 1026
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 × 562.5 ÷ 10000) = 0 km/h

Formula
(val × 562.5 ÷ 10000)
Range
0 to 3686 km/h
Unit
km/h

Confirmed for 2019 to 2025. In testing for 2026.

Spare tire pressure SUBARU_TP_SPARE

  • Request21 30
  • Service 21PID 30
  • Module750
  • Every5 s
  • Testing

Bits 32 to 39 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Spare tire pressure, variant 2 SUBARU_TP_2_SPARE

  • Request21 15
  • Service 21PID 15
  • Module750
  • Every5 s
  • Testing

Bits 32 to 39 of the reply, 8 bits.

Formula
(val ÷ 58 − 0.5)
Range
0 to 3.89 bar
Unit
bar

In testing for 2019 to 2026.

Spare tire temperature SUBARU_TT_SPARE

  • Request21 16
  • Service 21PID 16
  • Module750 → 758
  • Every5 s
  • Testing

Bits 32 to 39 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

In testing for 2019 to 2026.

Tire 1 id SUBARU_TID1Confirmed

  • Request22 10 28
  • Service 22DID 1028
  • Module753 → 75B
  • Every3600 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 0 to 23 of the reply, 24 bits.

0x01BBD0 = 113616 → 113,616

Formula
val
Range
0 to 16777215
Unit
Number

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

Tire 2 id SUBARU_TID2Confirmed

  • Request22 10 28
  • Service 22DID 1028
  • Module753 → 75B
  • Every3600 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 24 to 47 of the reply, 24 bits.

0x6C01BB = 7078331 → 7,078,331

Formula
val
Range
0 to 16777215
Unit
Number

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

Tire 3 id SUBARU_TID3Confirmed

  • Request22 10 28
  • Service 22DID 1028
  • Module753 → 75B
  • Every3600 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 48 to 71 of the reply, 24 bits.

0xA60001 = 10878977 → 10,878,977

Formula
val
Range
0 to 16777215
Unit
Number

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

Tire 4 id SUBARU_TID4Confirmed

  • Request22 10 28
  • Service 22DID 1028
  • Module753 → 75B
  • Every3600 s
  • Testing

Example reply from a 2025 Subaru Ascent.

Bits 72 to 95 of the reply, 24 bits.

0xBBCFE6 = 12308454 → 12,308,454

Formula
val
Range
0 to 16777215
Unit
Number

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

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