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Toyota Grand Highlander Hybrid

Control parameters

The Toyota Grand Highlander Hybrid has 15 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Accelerator pedal, position 1 GHH_ACC_PEDAL_POS_1Confirmed

  • Request22 1F 49
  • Service 22DID 1F49
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2023 to 2024, 2026

Example reply from a 2025 Toyota Grand Highlander 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 2025. In testing for 2024, 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 GHH_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 2023 to 2024, 2026. Not supported for 2025.

Accelerator pedal, position 1 GHH_ACC_PEDAL_POS_1Confirmed

  • Request22 1F 49
  • Service 22DID 1F49
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2023 to 2024, 2026

Example reply from a 2025 Toyota Grand Highlander 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 2025. In testing for 2024, 2026.

Accelerator pedal, position 2 GHH_ACC_PEDAL_POS_2Confirmed

  • Request22 1F 4A
  • Service 22DID 1F4A
  • Module7D2 → 7DA
  • Every1 s
  • Testing for 2023 to 2024, 2026

Example reply from a 2025 Toyota Grand Highlander 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 2025. In testing for 2024, 2026.

Anti-lock brake warning light GHH_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 2023 to 2024, 2026. Not supported for 2025.

Brake warning light GHH_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 2023 to 2024, 2026. Not supported for 2025.

Buzzer GHH_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 2023 to 2024, 2026. Not supported for 2025.

Electronically controlled brake warning light GHH_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 2023 to 2024, 2026. Not supported for 2025.

Key remind sound GHH_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 2023 to 2024, 2026. Not supported for 2025.

Main idle GHH_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 2023 to 2024, 2026. Not supported for 2025.

Parking brake GHH_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 2023 to 2024, 2026. Not supported for 2025.

Reservoir warning GHH_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 2023 to 2024, 2026. Not supported for 2025.

Slip indicator light GHH_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 2023 to 2024, 2026. Not supported for 2025.

Steering angle GHH_STEERING_ANGLEConfirmed

  • Request22 10 04
  • Service 22DID 1004
  • Module7B3 → 7BB
  • Every250 ms
  • Testing for 2023 to 2024, 2026

Example reply from a 2025 Toyota Grand Highlander 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 2025. In testing for 2023 to 2024, 2026.

Steering wheel angle GHH_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 2023 to 2024, 2026. Not supported for 2025.

Traction control, brake status GHH_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 2023 to 2024, 2026. Not supported for 2025.

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