Control parameters
The Kia K4 has 12 control parameters.
● Confirmed◆ In testing○ Supported× Not supported
Absolute throttle position TPSAE J1979Confirmed
Throttle position at idle will usually be more than 0%, and throttle position at wide open throttle will usually be less than 100%.
Pelican can show this parameter as the throttle position.
- Request
01 11 - Service 01
PID 11 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2025.
Absolute throttle position B TP_BSAE J1979Confirmed
Pelican can show this parameter as the throttle position.
- Request
01 47 - Service 01
PID 47 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2025.
Brake pedal K4_BRAKE_PEDAL
- Request
21 A0 - Service 21
PID A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 192 to 199 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2024, 2026. Not supported for 2025.
Brake pedal K4_BRAKE_PEDAL_7E1Confirmed
- Request
22 01 A0 - Service 22
DID 01A0 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2024, 2026
Example reply from a 2025 Kia K4.
Bits 192 to 199 of the reply, 8 bits.
0xFC = 252 → 252
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2025. In testing for 2024, 2026.
Brake pressure K4_BRAKE_P
- Request
22 01 04 - Service 22
DID 0104 - Module
7D1 → 7D9 - Every
250 ms - Testing
Bits 256 to 271 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 86.7)- Range
- 0 to 100 %
- Unit
- %
In testing for 2024, 2026. Not supported for 2025.
Handbrake engaged? K4_HANDBRAKEConfirmed
- Request
22 BC 03 - Service 22
DID BC03 - Module
770 → 778 - Every
1 s - Testing for 2024, 2026
Example reply from a 2025 Kia K4.
Bit 36 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2025. In testing for 2024, 2026.
Relative accelerator pedal position K4_APP_REL_TCM
- Request
21 A0 - Service 21
PID A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 64 to 71 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
In testing for 2024, 2026. Not supported for 2025.
Relative throttle position TP_RSAE J1979Confirmed
Relative or 'learned' throttle position.
- Request
01 45 - Service 01
PID 45 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2025.
Steering angle K4_STEER_ANGLE_V2
- Request
21 01 - Service 21
PID 01 - Module
7D4 → 7DC - Every
250 ms - Testing
Bits 24 to 39 of the reply, 16 bits. The value is signed.
- Formula
(val × 10 ÷ 100)- Range
- -3276.8 to 3276.7 °
- Unit
- °
In testing for 2024, 2026. Not supported for 2025.
Steering wheel angle K4_STEER_ANGLE
- Request
22 01 04 - Service 22
DID 0104 - Module
7D1 → 7D9 - Every
250 ms - Testing
Bits 200 to 215 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 10)- Range
- -3276.8 to 3276.7 °
- Unit
- °
In testing for 2024, 2026. Not supported for 2025.
Control › Pedals
Accelerator pedal position D APP_DSAE J1979Confirmed
- Request
01 49 - Service 01
PID 49 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2025.
Accelerator pedal position E APP_ESAE J1979Confirmed
- Request
01 4A - Service 01
PID 4A - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2025.
