Transmission parameters
The Chevrolet Bolt EUV has 18 transmission parameters.
● Confirmed◆ In testing○ Supported× Not supported
Shifter position indicator BOLT_SHIFTER_POS
- Request
22 1B 1A - Service 22
DID 1B1A - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val − 146)- Range
- -146 to 109
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter X position sensor 1 duty cycle BOLT_SHIFTER_X_POS_SENS_1
- Request
22 1B 1B - Service 22
DID 1B1B - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter X position sensor 1 frequency BOLT_SHIFTER_X_POS_SENS_1_FREQUENCY
- Request
22 1B 1F - Service 22
DID 1B1F - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter X position sensor 2 duty cycle BOLT_SHIFTER_X_POS_SENS_2
- Request
22 1B 1D - Service 22
DID 1B1D - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter X position sensor 2 frequency BOLT_SHIFTER_X_POS_SENS_2_FREQUENCY
- Request
22 1B 21 - Service 22
DID 1B21 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter Y position sensor 1 duty cycle BOLT_SHIFTER_Y_POS_SENS_1
- Request
22 1B 1C - Service 22
DID 1B1C - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter Y position sensor 1 frequency BOLT_SHIFTER_Y_POS_SENS_1_FREQUENCY
- Request
22 1B 20 - Service 22
DID 1B20 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter Y position sensor 2 duty cycle BOLT_SHIFTER_Y_POS_SENS_2
- Request
22 1B 1E - Service 22
DID 1B1E - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Shifter Y position sensor 2 frequency BOLT_SHIFTER_Y_POS_SENS_2_FREQUENCY
- Request
22 1B 22 - Service 22
DID 1B22 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Transmission fluid pump, auxiliary BOLT_TRANS_FLUID_PMP_AUXConfirmed
- Request
22 2C 05 - Service 22
DID 2C05 - Module
7E1 → 7E9 - Every
1 s - Testing for 2023
Example reply from a 2022 Chevrolet Bolt EUV.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 × 20 ÷ 51) = 0 %
- Formula
(val × 20 ÷ 51)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2022. In testing for 2023.
Transmission fluid temperature BOLT_ATF_TConfirmed
- Request
22 19 40 - Service 22
DID 1940 - Module
7E1 → 7E9 - Every
5 s - Testing for 2023
Example reply from a 2022 Chevrolet Bolt EUV.
Bits 0 to 7 of the reply, 8 bits.
0x43 = 67 → (67 − 40) = 27 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2022. In testing for 2023.
Transmission gear position BOLT_TRANS_GEAR_POSConfirmed
- Request
22 28 89 - Service 22
DID 2889 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2023
Example reply from a 2022 Chevrolet Bolt EUV.
Bits 0 to 7 of the reply, 8 bits.
0x03 = 3 → 3
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2022. In testing for 2023.
Transmission park position switch 1 BOLT_TRANS_PARK_POS_1
- Request
22 1B 23 - Service 22
DID 1B23 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Transmission park position switch 2 BOLT_TRANS_PARK_POS_2
- Request
22 1B 24 - Service 22
DID 1B24 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Transmission RPM BOLT_TRANS_RPMConfirmed
- Request
22 19 42 - Service 22
DID 1942 - Module
7E1 → 7E9 - Every
250 ms - Testing for 2023
Example reply from a 2022 Chevrolet Bolt EUV.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 8) = 0 rpm
- Formula
(val ÷ 8)- Range
- 0 to 8191 rpm
- Unit
- rpm
Confirmed for 2022. In testing for 2023.
Transmission shift interlock switch 1 BOLT_TRANS_SHIFT_1
- Request
22 1B 25 - Service 22
DID 1B25 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Transmission shift interlock switch 2 BOLT_TRANS_SHIFT_2
- Request
22 1B 26 - Service 22
DID 1B26 - Module
7E3 → 7EB - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2023. Not supported for 2022.
Transmission torque requested BOLT_TRANS_TQ_REQConfirmed
- Request
22 28 8A - Service 22
DID 288A - Module
7E1 → 7E9 - Every
250 ms - Testing for 2023
Example reply from a 2022 Chevrolet Bolt EUV.
Bits 0 to 15 of the reply, 16 bits.
0x57DE = 22494 → (22494 − 22534) = -40 N·m
- Formula
(val − 22534)- Range
- -22534 to 43001 N·m
- Unit
- N·m
Confirmed for 2022. In testing for 2023.