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Toyota Sienna Hybrid

Control parameters

The Toyota Sienna Hybrid has 17 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Accelerator pedal, position 1 SIENNAH_ACC_PEDAL_POS_1Confirmed

  • Request22 1F 49
  • Service 22DID 1F49
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2022, 2026

Example reply from a 2025 Toyota Sienna Hybrid.

Bits 0 to 7 of the reply, 8 bits.

0x28 = 40 → (40 × 100 ÷ 255) = 15.686275 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021, 2023 to 2025. In testing for 2022, 2026.

  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.

Accelerator pedal SIENNAH_ACCEL_PEDAL

  • Request22 10 59
  • Service 22DID 1059
  • Module700 → 708
  • Every250 ms
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
(val ÷ 1.42 − 28.873)
Range
0 to 100 %
Unit
%

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

Accelerator pedal, position 1 SIENNAH_ACC_PEDAL_POS_1Confirmed

  • Request22 1F 49
  • Service 22DID 1F49
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2022, 2026

Example reply from a 2025 Toyota Sienna Hybrid.

Bits 0 to 7 of the reply, 8 bits.

0x28 = 40 → (40 × 100 ÷ 255) = 15.686275 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021, 2023 to 2025. In testing for 2022, 2026.

Accelerator pedal, position 2 SIENNAH_ACC_PEDAL_POS_2Confirmed

  • Request22 1F 4A
  • Service 22DID 1F4A
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2022, 2026

Example reply from a 2025 Toyota Sienna Hybrid.

Bits 0 to 7 of the reply, 8 bits.

0x51 = 81 → (81 × 100 ÷ 255) = 31.764706 %

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2021, 2023 to 2025. In testing for 2022, 2026.

Anti-lock brake warning light SIENNAH_ABS_WARN

  • Request21 3D
  • Service 21PID 3D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 0 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Brake pedal stroke SIENNAH_BRAKE_STROKEConfirmed

  • Request22 10 4C
  • Service 22DID 104C
  • Module7B0 → 7B8
  • Every1 s
  • Testing for 2022, 2024 to 2026

Example reply from a 2023 Toyota Sienna Hybrid.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0 mm

Formula
val
Range
0 to 255 mm
Unit
mm

Confirmed for 2021, 2023. In testing for 2022, 2024 to 2026.

Brake warning light SIENNAH_BRAKE_WARN

  • Request21 3D
  • Service 21PID 3D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Buzzer SIENNAH_BUZZER

  • Request21 3D
  • Service 21PID 3D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 3 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Electronically controlled brake warning light SIENNAH_ECB_WARN

  • Request21 3D
  • Service 21PID 3D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Key remind sound SIENNAH_KEY_REMIND_SOUND

  • Request21 A1
  • Service 21PID A1
  • Module7C0 → 7C8
  • Every1 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255
Unit
Number

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Main idle SIENNAH_MAIN_IDLE_SW

  • Request21 1D
  • Service 21PID 1D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Parking brake SIENNAH_PARKING_BRAKEConfirmed

  • Request21 62
  • Service 21PID 62
  • Module7D0 → 7D8
  • Every1 s
  • Testing for 2022, 2025 to 2026

Example reply from a 2024 Toyota Sienna Hybrid.

Bit 6 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2021, 2023 to 2024. In testing for 2022, 2026. Not supported for 2025.

Parking brake SIENNAH_PARKING_BRAKE_SW

  • Request21 1F
  • Service 21PID 1F
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Reservoir warning SIENNAH_RESERVOIR_WARNING_SW

  • Request21 1D
  • Service 21PID 1D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 1 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Slip indicator light SIENNAH_SLIP_WARN

  • Request21 3D
  • Service 21PID 3D
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

Steering angle SIENNAH_STEERING_ANGLEConfirmed

  • Request22 10 04
  • Service 22DID 1004
  • Module7B3 → 7BB
  • Every250 ms
  • Testing for 2022, 2026

Example reply from a 2025 Toyota Sienna Hybrid.

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

0x0000 = 0 → (0 × 1.5) = 0 °

Formula
(val × 1.5)
Range
-410 to 410 °
Unit
°

Confirmed for 2021, 2023 to 2025. In testing for 2022, 2026.

Steering wheel angle SIENNAH_STEER_ANGLE

Positive = counter-clockwise, negative = clockwise.

  • Request21 47
  • Service 21PID 47
  • Module7B0 → 7B8
  • Every250 ms
  • Testing

Bits 24 to 39 of the reply, 16 bits.

Formula
(val ÷ 10 − 3276.8)
Range
-3276 to 3276 °
Unit
°

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

Traction control, brake status SIENNAH_TRC_TRAC__BRAKE_CTRL

  • Request21 5A
  • Service 21PID 5A
  • Module7B0 → 7B8
  • Every1 s
  • Testing

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

In testing for 2022, 2024 to 2026. Not supported for 2021, 2023.

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