Control parameters
The Ram 2500 has 11 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 2016, 2023 to 2024. Supported for 2017, 2019, 2021 to 2022.
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 2024.
Brake booster pressure RAM2500_BRAKE_BOOSTER_PConfirmed
- Request
22 09 44 - Service 22
DID 0944 - Module
7E0 → 7E8 - Every
250 ms - Testing for 2010 to 2020, 2022 to 2026
Example reply from a 2021 Ram 2500.
Bits 0 to 15 of the reply, 16 bits. The value is signed.
0x18D8 = 6360 → (6360 ÷ 100) = 63.6 kPa
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67 kPa
- Unit
- kPa
Confirmed for 2021. In testing for 2010 to 2020, 2022 to 2026.
High beam mode RAM2500_HIGHBEAMS_MODE
- Request
22 03 2D - Service 22
DID 032D - Module
763 → 4E3 - Every
250 ms - Testing
Bits 4 to 7 of the reply, 4 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Off |
1 | ON | On |
2 | HELD | Held |
In testing for 2010 to 2013, 2015, 2018, 2020, 2025. Not supported for 2014, 2016 to 2017, 2019, 2021 to 2024, 2026.
High beams RAM2500_HIGHBEAMS_ON
- Request
22 03 2D - Service 22
DID 032D - Module
763 → 4E3 - Every
250 ms - Testing
Bit 3 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- Off or on
In testing for 2010 to 2013, 2015, 2018, 2020, 2025. Not supported for 2014, 2016 to 2017, 2019, 2021 to 2024, 2026.
Rear wiper RAM2500_REAR_WIPER
- Request
22 03 2D - Service 22
DID 032D - Module
763 → 4E3 - Every
250 ms - Testing
Bits 12 to 15 of the reply, 4 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Off |
1 | SPRAY | Spray |
2 | AUTO | Auto |
4 | ON | On |
In testing for 2010 to 2013, 2015, 2018, 2020, 2025. Not supported for 2014, 2016 to 2017, 2019, 2021 to 2024, 2026.
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 2024.
Steering wheel angle RAM2500_STEER_ANGLE
- Request
22 08 85 - Service 22
DID 0885 - Module
DA30 → 30 - Every
100 ms - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 10 − 720)- Range
- -720 to 720 °
- Unit
- °
In testing for 2010 to 2013, 2015, 2017 to 2018, 2020, 2025. Not supported for 2014, 2016, 2019, 2021 to 2024, 2026.
Control › Pedals
Accelerator pedal position (relative) APP_RSAE J1979Confirmed
- Request
01 5A - Service 01
PID 5A - 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 2020. Supported for 2014, 2017 to 2019, 2022 to 2024, 2026.
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 2020, 2024. Supported for 2014, 2017 to 2019, 2022 to 2023, 2026.
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 2020, 2024. Supported for 2014, 2017 to 2019, 2022 to 2023, 2026.