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Porsche Taycan

Control parameters

The Porsche Taycan has 14 control parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Brake booster pressure TAYCAN_BRAKE_BST_PConfirmed

  • Request22 20 05
  • Service 22DID 2005
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 1000) = 0 bar

Formula
(val ÷ 1000)
Range
0 to 65.535 bar
Unit
bar

Confirmed for 2020 to 2025. In testing for 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.

Brake booster pressure TAYCAN_BRAKE_BST_PConfirmed

  • Request22 20 05
  • Service 22DID 2005
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 1000) = 0 bar

Formula
(val ÷ 1000)
Range
0 to 65.535 bar
Unit
bar

Confirmed for 2020 to 2025. In testing for 2026.

Brake pressure TAYCAN_BRAKE_PConfirmed

  • Request22 2B 21
  • Service 22DID 2B21
  • Module713 → 77D
  • Every5 s
  • Testing for 2020 to 2021, 2023 to 2026

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

Formula
(val × 152999 ÷ 10000000 − 42.503)
Range
-543.8501 to 458.8288 bar
Unit
bar

Confirmed for 2022. In testing for 2020 to 2021, 2023 to 2026.

Brake vacuum pump TAYCAN_ENG_BRAKE_PUMPConfirmed

  • Request22 39 5E
  • Service 22DID 395E
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

Bit 7 of the reply.

0b0 = 0 → 0

Formula
val
Range
0 to 1
Unit
Off or on

Confirmed for 2020 to 2025. In testing for 2026.

Directional stability control active TAYCAN_CSS_ACT

  • Request22 18 B6
  • Service 22DID 18B6
  • Module713 → 77D
  • Every5 s
  • Testing

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

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

Directional stability control last activation distance TAYCAN_CSS_ODO_LAST

  • Request22 18 B6
  • Service 22DID 18B6
  • Module713 → 77D
  • Every5 s
  • Testing

Bits 8 to 31 of the reply, 24 bits.

Formula
val
Range
0 to 1 km
Unit
km

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

Directional stability control steering torque TAYCAN_CSS_STR_TRQ

  • Request22 18 B6
  • Service 22DID 18B6
  • Module713 → 77D
  • Every5 s
  • Testing

Bits 32 to 47 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 1 N·m
Unit
N·m

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

Hill descent control active TAYCAN_HDC_ACT

  • Request22 18 08
  • Service 22DID 1808
  • Module713 → 77D
  • Every5 s
  • Testing

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
Off or on

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

Hill descent control incline angle TAYCAN_HDC_INC

  • Request22 18 08
  • Service 22DID 1808
  • Module713 → 77D
  • Every5 s
  • Testing

Bits 8 to 15 of the reply, 8 bits.

Formula
val
Range
0 to 255 %
Unit
%

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

Pressure in brake servo unit TAYCAN_P_BRAKE_SERVO_UNITConfirmed

  • Request22 20 05
  • Service 22DID 2005
  • Module713 → 77D
  • Every5 s
  • Testing for 2020 to 2021, 2023 to 2026

Example reply from a 2022 Porsche Taycan.

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

0x7FFE = 32766 → (32766 ÷ 16) = 2,047.875

Formula
(val ÷ 16)
Range
-2048 to 2047.9375
Unit
Raw value

Confirmed for 2022. In testing for 2020 to 2021, 2023 to 2026.

Steering wheel angle TAYCAN_STEER_ANGLEConfirmed

Positive is rotated to the left, negative is rotated to the right.

  • Request22 2B 29
  • Service 22DID 2B29
  • Module713 → 77D
  • Every100 ms
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

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

0x0199 = 409 → (409 ÷ 1000) = 0.409 rad

Formula
(val ÷ 1000)
Range
-32.768 to 32.767 rad
Unit
rad

Confirmed for 2020 to 2025. In testing for 2026.

Control › Pedals

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 2021 to 2022, 2025. Supported for 2020, 2023 to 2024.

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 2021 to 2022, 2025. Supported for 2020, 2023 to 2024.

Accelerator pedal position sensor 1 TAYCAN_APP_POS1Confirmed

  • Request22 20 61
  • Service 22DID 2061
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

Bits 0 to 15 of the reply, 16 bits.

0x02EF = 751 → (751 ÷ 1000) = 0.751 V

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

Confirmed for 2020 to 2025. In testing for 2026.

Accelerator pedal position sensor 2 TAYCAN_APP_POS2Confirmed

  • Request22 20 62
  • Service 22DID 2062
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2026

Example reply from a 2025 Porsche Taycan.

Bits 0 to 15 of the reply, 16 bits.

0x0178 = 376 → (376 ÷ 1000) = 0.376 V

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

Confirmed for 2020 to 2025. In testing for 2026.

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