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Ram 1500 Classic

Fuel parameters

The Ram 1500 Classic has 24 fuel parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Fuel level 1500_FLI_7E0Confirmed

  • Request22 04 0F
  • Service 22DID 040F
  • Module7E0 → 7E8
  • Every30 s
  • Testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2026

Example reply from a 2021 Ram 1500 Classic.

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

0x0028 = 40 → (40 × 711 ÷ 1250) = 22.752 L

Formula
(val × 711 ÷ 1250)
Range
-18638 to 18637 L
Unit
L

Confirmed for 2013, 2017, 2019, 2021. In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024.

  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.

Commanded Fuel Rail Pressure A FRP_A_CMDSAE J1979Confirmed

Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 8 to 23 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2023, 2025 to 2026.

Commanded Fuel Rail Pressure B FRP_B_CMDSAE J1979Confirmed

Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 48 to 63 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2023, 2025 to 2026.

Engine exhaust flow rate EXH_RATESAE J1979Confirmed

  • Request01 9E
  • Service 01PID 9E
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 5)
Range
0 to 13107 kg/h
Unit
kg/h

Confirmed for 2019 to 2021, 2023 to 2026.

Engine fuel rate FUEL_RATESAE J1979Confirmed

Measured in units per hour

Pelican can show this parameter as the fuel rate.

  • Request01 5E
  • Service 01PID 5E
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 20)
Range
0 to 3212.75 L/h
Unit
L/h

Confirmed for 2017, 2022, 2024.

Engine fuel rate (alternate) FUEL_RATE_ALTSAE J1979Confirmed

  • Request01 9D
  • Service 01PID 9D
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 50)
Range
0 to 1310.7 g/s
Unit
g/s

Confirmed for 2019 to 2021, 2023 to 2026.

Fuel level 1500_FLI

  • Request21 A8
  • Service 21PID A8
  • Module7E0 → 7E8
  • Every30 s
  • Testing

Bits 96 to 111 of the reply, 16 bits.

Formula
(val ÷ 256)
Range
0 to 255 %
Unit
%

In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024. Not supported for 2013, 2017, 2019, 2021.

Fuel level 1500_FLI_7E0Confirmed

  • Request22 04 0F
  • Service 22DID 040F
  • Module7E0 → 7E8
  • Every30 s
  • Testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2026

Example reply from a 2021 Ram 1500 Classic.

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

0x0028 = 40 → (40 × 711 ÷ 1250) = 22.752 L

Formula
(val × 711 ÷ 1250)
Range
-18638 to 18637 L
Unit
L

Confirmed for 2013, 2017, 2019, 2021. In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024.

Fuel level average 1500_FLI_AVG

  • Request22 A0 43
  • Service 22DID A043
  • Module7E0 → 7E8
  • Every30 s
  • Testing

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 255 %
Unit
%

In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024. Not supported for 2013, 2017, 2019, 2021.

Fuel level input 1500_FLI_INPUTConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 02 27
  • Service 22DID 0227
  • Module7E0 → 7E8
  • Every30 s
  • Testing for 2009 to 2012, 2014 to 2018, 2020, 2022 to 2026

Bits 0 to 7 of the reply, 8 bits.

Formula
val
Range
0 to 100 %
Unit
%

Confirmed for 2013, 2019, 2021. In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024. Not supported for 2017.

Fuel rail pressure 1500_FUEL_RAIL_P_06F3Confirmed

  • Request22 06 F3
  • Service 22DID 06F3
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 2009 to 2012, 2014 to 2026

Example reply from a 2013 Ram 1500 Classic.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 1000) = 0

Formula
(val ÷ 1000)
Range
0 to 65.535
Unit
Raw value

Confirmed for 2013. In testing for 2009 to 2012, 2014 to 2016, 2018, 2020, 2022 to 2024. Not supported for 2017, 2019, 2021.

Fuel Rail Pressure A FRP_ASAE J1979Confirmed

Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 24 to 39 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2023, 2025 to 2026.

Fuel Rail Pressure B FRP_BSAE J1979Confirmed

Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 64 to 79 of the reply, 16 bits.

Formula
(val × 10)
Range
0 to 655350 kPa
Unit
kPa

Confirmed for 2023, 2025 to 2026.

Fuel Rail Temperature A FRT_ASAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 40 to 47 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2023, 2025 to 2026.

Fuel Rail Temperature B FRT_BSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bits 80 to 87 of the reply, 8 bits.

Formula
(val − 40)
Range
-40 to 215 °C
Unit
°C

Confirmed for 2023, 2025 to 2026.

Fuel system 1 status FUELSYS1SAE J1979Confirmed

  • Request01 03
  • Service 01PID 03
  • Module7E0 → 7E8
  • Every250 ms

Bits 0 to 7 of the reply, 8 bits.

Unit
Named states
States
Raw valueStateMeaning
0OFFEngine is off
1OLOpen loop - has not yet satisfied conditions to go closed loop
2CLClosed loop - using oxygen sensor(s) as feedback for fuel control
4OL-DriveOpen loop due to driving conditions (e.g. power enrichment, deceleration enleanment)
8OL-FaultOpen loop - due to detected system fault
16CL-FaultClosed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control
32OL B2Open loop - has not yet satisfied conditions to go closed loop (Bank 2)
64OL-Drive B2Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation)
128OL-Fault B2Open loop - due to detected system fault (Bank 2)

Confirmed for 2012 to 2013, 2016, 2018 to 2021, 2024 to 2026. Supported for 2014 to 2015, 2017, 2022 to 2023.

Fuel system 2 status FUELSYS2SAE J1979Confirmed

  • Request01 03
  • Service 01PID 03
  • Module7E0 → 7E8
  • Every250 ms

Bits 8 to 15 of the reply, 8 bits.

Unit
Named states
States
Raw valueStateMeaning
0OFFEngine is off
1OLOpen loop - has not yet satisfied conditions to go closed loop
2CLClosed loop - using oxygen sensor(s) as feedback for fuel control
4OL-DriveOpen loop due to driving conditions (e.g. power enrichment, deceleration enleanment)
8OL-FaultOpen loop - due to detected system fault
16CL-FaultClosed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control
32OL B2Open loop - has not yet satisfied conditions to go closed loop (Bank 2)
64OL-Drive B2Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation)
128OL-Fault B2Open loop - due to detected system fault (Bank 2)

Confirmed for 2012 to 2013, 2016, 2018 to 2021, 2024 to 2026. Supported for 2014 to 2015, 2017, 2022 to 2023.

Fuel tank level FLISAE J1979Confirmed

Pelican can show this parameter as the fuel tank level.

  • Request01 2F
  • Service 01PID 2F
  • Module7E0 → 7E8
  • Every1 s

Bits 0 to 7 of the reply, 8 bits.

Formula
(val × 100 ÷ 255)
Range
0 to 100 %
Unit
%

Confirmed for 2012 to 2013, 2015 to 2026. Supported for 2014.

Vehicle fuel rate VFUEL_RATESAE J1979Confirmed

  • Request01 9D
  • Service 01PID 9D
  • Module7E0 → 7E8
  • Every250 ms

Bits 16 to 31 of the reply, 16 bits.

Formula
(val ÷ 50)
Range
0 to 1310.7 g/s
Unit
g/s

Confirmed for 2019 to 2021, 2023 to 2026.

Fuel › Internal

Commanded Fuel Rail Pressure A data supported? FRP_A_CMD_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 7 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

Commanded Fuel Rail Pressure B data supported? FRP_B_CMD_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 4 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

Fuel Rail Pressure A data supported? FRP_A_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 6 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

Fuel Rail Pressure B data supported? FRP_B_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 3 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

Fuel Temperature A data supported? FRT_A_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 5 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

Fuel Temperature B data supported? FRT_B_SUPSAE J1979Confirmed

  • Request01 6D
  • Service 01PID 6D
  • Module7E0 → 7E8
  • Every250 ms

Bit 2 of the reply.

Formula
val
Range
0 to 1
Unit
No or yes

Confirmed for 2023, 2025 to 2026.

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