Transmission parameters
The Kia Niro 2 has 15 transmission parameters.
● Confirmed◆ In testing○ Supported× Not supported
Clutch #1 temperature NIRO_CLUTCH_1_TConfirmed
Part of the dual clutch transition
- Request
22 01 A4 - Service 22
DID 01A4 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2016 to 2017, 2020 to 2023, 2026
Example reply from a 2025 Kia Niro 2.
Bits 232 to 247 of the reply, 16 bits.
0x0028 = 40 → (40 × 2 − 40) = 40 °C
- Formula
(val × 2 − 40)- Range
- -40 to 300 °C
- Unit
- °C
Confirmed for 2018 to 2019, 2024 to 2025. In testing for 2016 to 2017, 2021, 2026. Not supported for 2020, 2022 to 2023.
Clutch #2 temperature NIRO_CLUTCH_2_TConfirmed
Part of the dual clutch transition
- Request
22 01 A4 - Service 22
DID 01A4 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2016 to 2017, 2020 to 2023, 2026
Example reply from a 2025 Kia Niro 2.
Bits 248 to 263 of the reply, 16 bits.
0x0027 = 39 → (39 × 2 − 40) = 38 °C
- Formula
(val × 2 − 40)- Range
- -40 to 300 °C
- Unit
- °C
Confirmed for 2018 to 2019, 2024 to 2025. In testing for 2016 to 2017, 2021, 2026. Not supported for 2020, 2022 to 2023.
Commanded gear NIRO_COMMANDED_GEAR
- Request
21 A0 - Service 21
PID A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 176 to 183 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2021, 2026. Not supported for 2018 to 2020, 2022 to 2025.
Commanded gear NIRO_COMMANDED_GEAR_7E1
- Request
22 01 A0 - Service 22
DID 01A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 176 to 183 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2021 to 2022, 2026. Not supported for 2018 to 2020, 2023 to 2025.
Current gear NIRO_CURRENT_GEAR
- Request
21 A0 - Service 21
PID A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 168 to 175 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2021, 2026. Not supported for 2018 to 2020, 2022 to 2025.
Current gear NIRO_CURRENT_GEAR_7E1
- Request
22 01 A0 - Service 22
DID 01A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 168 to 175 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2021 to 2022, 2026. Not supported for 2018 to 2020, 2023 to 2025.
Current gear NIRO_CURRENT_GEAR_7E1_2
- Request
21 A1 - Service 21
PID A1 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 32 to 39 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2019 to 2023, 2025 to 2026. Not supported for 2018, 2024.
Current gear NIRO_GEAR_CURConfirmed
- Request
22 01 A4 - Service 22
DID 01A4 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2016 to 2017, 2020 to 2023, 2026
Example reply from a 2025 Kia Niro 2.
Bits 188 to 191 of the reply, 4 bits.
0b0000 = 0 → 0
- Formula
val- Range
- 0 to 15
- Unit
- Number
Confirmed for 2018 to 2019, 2024 to 2025. In testing for 2016 to 2017, 2021, 2026. Not supported for 2020, 2022 to 2023.
Dual-clutch transmission even shaft, gear engaged NIRO_DUAL_CLU_TRANS_EVENConfirmed
- Request
22 01 A5 - Service 22
DID 01A5 - Module
7E1 → 7E9 - Every
5 s - Testing for 2016 to 2017, 2019 to 2023, 2025 to 2026
Example reply from a 2024 Kia Niro 2.
Bits 40 to 47 of the reply, 8 bits.
0x73 = 115 → 115
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2018, 2024. In testing for 2016 to 2017, 2019 to 2023, 2025 to 2026.
Dual-clutch transmission odd shaft, gear engaged NIRO_DUAL_CLU_TRANS_ODDConfirmed
- Request
22 01 A5 - Service 22
DID 01A5 - Module
7E1 → 7E9 - Every
5 s - Testing for 2016 to 2017, 2019 to 2023, 2025 to 2026
Example reply from a 2024 Kia Niro 2.
Bits 32 to 39 of the reply, 8 bits.
0x00 = 0 → 0
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2018, 2024. In testing for 2016 to 2017, 2019 to 2023, 2025 to 2026.
Gear NIRO_GEAR_7E0
- Request
22 ED 05 - Service 22
DID ED05 - Module
7E0 → 7E8 - Every
250 ms - Testing
Bits 176 to 183 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2019 to 2023, 2025 to 2026. Not supported for 2018, 2024.
Gear selector NIRO_GEAR
- Request
22 01 A0 - Service 22
DID 01A0 - Module
7E1 → 7E9 - Every
250 ms - Testing
Bits 160 to 167 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2016 to 2017, 2021 to 2022, 2026. Not supported for 2018 to 2020, 2023 to 2025.
Next gear NIRO_GEAR_NXTConfirmed
- Request
22 01 A4 - Service 22
DID 01A4 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2016 to 2017, 2020 to 2023, 2026
Example reply from a 2025 Kia Niro 2.
Bits 196 to 199 of the reply, 4 bits.
0b0000 = 0 → 0
- Formula
val- Range
- 0 to 15
- Unit
- Number
Confirmed for 2018 to 2019, 2024 to 2025. In testing for 2016 to 2017, 2021, 2026. Not supported for 2020, 2022 to 2023.
Reverse gear selected NIRO_GEAR_RConfirmed
- Request
22 BC 04 - Service 22
DID BC04 - Module
770 → 778 - Every
1 s - Testing for 2016 to 2017, 2021, 2026
Example reply from a 2025 Kia Niro 2.
Bit 35 of the reply.
0b0 = 0 → 0
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018 to 2020, 2022 to 2025. In testing for 2016 to 2017, 2026. Not supported for 2021.
Transmission fluid temperature NIRO_ATF_TEMP
- Request
22 21 A0 - Service 22
DID 21A0 - Module
7E0 → 7E8 - Every
10 s - Testing
Bits 16 to 23 of the reply, 8 bits.
- Formula
(val × 9 ÷ 5 − 40)- Range
- 0 to 255 °F
- Unit
- °F
In testing for 2016 to 2017, 2021, 2026. Not supported for 2018 to 2020, 2022 to 2025.