Fuel parameters
The Jeep Grand Cherokee has 45 fuel parameters.
● Confirmed◆ In testing○ Supported× Not supported
Alcohol fuel percentage ALCH_PCTSAE J1979Confirmed
Indicates the percentage of alcohol contained in ethanol or methanol fuels, if used. For example, ethanol fuel (E85) normally contains 85% ethanol, in which case this parameter will display 85%
- Request
01 52 - Service 01
PID 52 - Module
7E0 → 7E8 - Every
1 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2014 to 2015.
Commanded Fuel Rail Pressure A FRP_A_CMDSAE J1979Confirmed
Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 8 to 23 of the reply, 16 bits.
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2018, 2023.
Commanded Fuel Rail Pressure B FRP_B_CMDSAE J1979Confirmed
Displays commanded fuel rail pressure when the reading is referenced to atmosphere (gage pressure)
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 48 to 63 of the reply, 16 bits.
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2018, 2023.
Engine exhaust flow rate EXH_RATESAE J1979Confirmed
- Request
01 9E - Service 01
PID 9E - Module
7E0 → 7E8 - Every
250 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 2025.
Engine fuel rate FUEL_RATESAE J1979Confirmed
Measured in units per hour
Pelican can show this parameter as the fuel rate.
- Request
01 5E - Service 01
PID 5E - Module
7E0 → 7E8 - Every
250 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 2015, 2017 to 2018, 2021 to 2025.
Engine fuel rate (alternate) FUEL_RATE_ALTSAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 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 2025.
Estimated NO accumulation via fuel consumption GRANDCHEROKEE_ESTIMATED_NO
- Request
21 D8 - Service 21
PID D8 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 3624)- Range
- 0 to 18.08
- Unit
- Raw value
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2014, 2016, 2021, 2023.
Fuel level GRANDCHEROKEE_FLI
- Request
21 A8 - Service 21
PID A8 - Module
7E0 → 7E8 - Every
30 s - Testing
Bits 96 to 111 of the reply, 16 bits.
- Formula
(val ÷ 256)- Range
- 0 to 255 %
- Unit
- %
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Fuel level average GRANDCHEROKEE_FLI_AVG
- Request
22 A0 43 - Service 22
DID A043 - Module
7E0 → 7E8 - Every
30 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255 %
- Unit
- %
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2014, 2016, 2021, 2023.
Fuel level input GRANDCHEROKEE_FLI_INPUTConfirmed
Pelican can show this parameter as the fuel tank level.
- Request
22 02 27 - Service 22
DID 0227 - Module
7E0 → 7E8 - Every
30 s - Testing for 1993 to 2015, 2017 to 2020, 2022 to 2026
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2016, 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel mass correction, cylinder 1 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_1
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 144 to 159 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass correction, cylinder 2 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_2
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 160 to 175 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass correction, cylinder 3 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_3
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 176 to 191 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass correction, cylinder 4 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_4
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 192 to 207 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass correction, cylinder 5 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_5
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 208 to 223 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass correction, cylinder 6 GRANDCHEROKEE_FUEL_MASS_CORR_CYL_6
- Request
22 01 66 - Service 22
DID 0166 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Bits 224 to 239 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Supported for 2014, 2016, 2021. Not supported for 2023.
Fuel mass, cylinder 1 GRANDCHEROKEE_FUEL_MASS_CYL_1Confirmed
- Request
22 02 55 - Service 22
DID 0255 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2015, 2017 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 64) = 0
- Formula
(val ÷ 64)- Range
- 0 to 1023.9843
- Unit
- Raw value
Confirmed for 2016, 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel mass, cylinder 2 GRANDCHEROKEE_FUEL_MASS_CYL_2Confirmed
- Request
22 02 56 - Service 22
DID 0256 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2013, 2015, 2017 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 64) = 0
- Formula
(val ÷ 64)- Range
- 0 to 1023.9843
- Unit
- Raw value
Confirmed for 2014, 2016, 2021. In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel mass, cylinder 3 GRANDCHEROKEE_FUEL_MASS_CYL_3Confirmed
- Request
22 02 57 - Service 22
DID 0257 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2015, 2017 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 64) = 0
- Formula
(val ÷ 64)- Range
- 0 to 1023.9843
- Unit
- Raw value
Confirmed for 2016, 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel mass, cylinder 4 GRANDCHEROKEE_FUEL_MASS_CYL_4Confirmed
- Request
22 02 58 - Service 22
DID 0258 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2015, 2017 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 64) = 0
- Formula
(val ÷ 64)- Range
- 0 to 1023.9843
- Unit
- Raw value
Confirmed for 2016, 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel pressure sensor, 1000's psi GRANDCHEROKEE_FUEL_P_SENS_1000_SConfirmed
- Request
21 B4 - Service 21
PID B4 - Module
7E0 → 7E8 - Every
5 s - Testing for 1993 to 2015, 2017 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
Bits 0 to 15 of the reply, 16 bits.
0x0000 = 0 → (0 ÷ 552) = 0 psi
- Formula
(val ÷ 552)- Range
- 0 to 118 psi
- Unit
- psi
Confirmed for 2016, 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2023.
Fuel rail pressure GRANDCHEROKEE_FUEL_RAIL_P
- Request
22 02 A1 - Service 22
DID 02A1 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 24 to 31 of the reply, 8 bits.
- Formula
(val × 29 ÷ 200)- Range
- 0 to 36.9749 psi
- Unit
- psi
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Fuel rail pressure GRANDCHEROKEE_FUEL_RAIL_P_06F3Confirmed
- Request
22 06 F3 - Service 22
DID 06F3 - Module
7E0 → 7E8 - Every
1 s - Testing for 1993 to 2020, 2022 to 2026
Example reply from a 2021 Jeep Grand Cherokee.
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 2021. In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2023.
Fuel rail pressure GRANDCHEROKEE_FUEL_RAIL_P_7E0
- Request
22 A0 67 - Service 22
DID A067 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 8 to 23 of the reply, 16 bits.
- Formula
(val × 2)- Range
- 0 to 131070 bar
- Unit
- bar
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Fuel Rail Pressure A FRP_ASAE J1979Confirmed
Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 24 to 39 of the reply, 16 bits.
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2018, 2023.
Fuel Rail Pressure B FRP_BSAE J1979Confirmed
Displays fuel rail pressure when the reading is referenced to atmosphere (gage pressure).
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 64 to 79 of the reply, 16 bits.
- Formula
(val × 10)- Range
- 0 to 655350 kPa
- Unit
- kPa
Confirmed for 2018, 2023.
Fuel rail pressure, target GRANDCHEROKEE_FUEL_RAIL_P_TGT
- Request
22 1D 89 - Service 22
DID 1D89 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 1000)- Range
- 0 to 65.535
- Unit
- Raw value
In testing for 1993 to 2013, 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2014, 2016, 2021, 2023.
Fuel Rail Temperature A FRT_ASAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 40 to 47 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2018, 2023.
Fuel Rail Temperature B FRT_BSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bits 80 to 87 of the reply, 8 bits.
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2018, 2023.
Fuel system 1 status FUELSYS1SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2006, 2011, 2014 to 2016, 2018 to 2021, 2023 to 2025. Supported for 2005, 2008 to 2009, 2012 to 2013, 2017, 2022.
Fuel system 2 status FUELSYS2SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 8 to 15 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2006, 2011, 2014 to 2016, 2018 to 2021, 2023 to 2025. Supported for 2005, 2008 to 2009, 2012 to 2013, 2017, 2022.
Fuel tank level FLISAE J1979Confirmed
Pelican can show this parameter as the fuel tank level.
- Request
01 2F - Service 01
PID 2F - Module
7E0 → 7E8 - Every
1 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2006, 2011, 2014 to 2025. Supported for 2005, 2008 to 2009, 2012 to 2013.
Total fuel correction, cylinder 1 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_1
- Request
22 38 00 - Service 22
DID 3800 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Total fuel correction, cylinder 2 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_2
- Request
22 38 01 - Service 22
DID 3801 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Total fuel correction, cylinder 3 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_3
- Request
22 38 02 - Service 22
DID 3802 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Total fuel correction, cylinder 4 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_4
- Request
22 38 03 - Service 22
DID 3803 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Total fuel correction, cylinder 5 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_5
- Request
22 38 04 - Service 22
DID 3804 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Total fuel correction, cylinder 6 GRANDCHEROKEE_TOT_FUEL_CORR_CYL_6
- Request
22 38 05 - Service 22
DID 3805 - Module
7E0 → 7E8 - Every
1 s - Testing
Bits 0 to 15 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 100)- Range
- -327.68 to 327.67
- Unit
- Number
In testing for 1993 to 2015, 2017 to 2020, 2022, 2024 to 2026. Not supported for 2016, 2021, 2023.
Vehicle fuel rate VFUEL_RATESAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 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 2025.
Fuel › Internal
Commanded Fuel Rail Pressure A data supported? FRP_A_CMD_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 7 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.
Commanded Fuel Rail Pressure B data supported? FRP_B_CMD_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 4 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.
Fuel Rail Pressure A data supported? FRP_A_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 6 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.
Fuel Rail Pressure B data supported? FRP_B_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 3 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.
Fuel Temperature A data supported? FRT_A_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 5 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.
Fuel Temperature B data supported? FRT_B_SUPSAE J1979Confirmed
- Request
01 6D - Service 01
PID 6D - Module
7E0 → 7E8 - Every
250 ms
Bit 2 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018, 2023.