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Jeep Cherokee

Fuel parameters

The Jeep Cherokee has 20 fuel parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Engine exhaust flow rate EXH_RATEConfirmed

  • 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 2023.

  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.

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 2023.

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 2023.

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 2023.

Fuel mass correction, cylinder 1, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_1

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 144 to 159 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Fuel mass correction, cylinder 2, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_2

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 160 to 175 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Fuel mass correction, cylinder 3, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_3

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 176 to 191 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Fuel mass correction, cylinder 4, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_4

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 192 to 207 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Fuel mass correction, cylinder 5, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_5

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 208 to 223 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Fuel mass correction, cylinder 6, mg/hub CHEROKEE_FUEL_MASS_CORR_CYL_6

  • Request22 01 66
  • Service 22DID 0166
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 224 to 239 of the reply, 16 bits. The value is signed.

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

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 2014, 2016, 2019, 2023. Supported for 2015, 2018, 2020.

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 2014, 2016, 2019, 2023. Supported for 2015, 2018, 2020.

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 2014, 2016, 2018 to 2020, 2023. Supported for 2015.

Fuel temperature CHEROKEE_FUEL_TEMEPRATURE

  • Request22 01 65
  • Service 22DID 0165
  • Module7E0 → 7E8
  • Every1 s
  • Testing

Bits 48 to 63 of the reply, 16 bits.

Formula
(val ÷ 10 − 273.14)
Range
-273 to 6280 °C
Unit
°C

In testing for 1988 to 2013.

Total fuel correction, cylinder 1, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_1

  • Request22 38 00
  • Service 22DID 3800
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Total fuel correction, cylinder 2, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_2

  • Request22 38 01
  • Service 22DID 3801
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Total fuel correction, cylinder 3, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_3

  • Request22 38 02
  • Service 22DID 3802
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Total fuel correction, cylinder 4, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_4

  • Request22 38 03
  • Service 22DID 3803
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Total fuel correction, cylinder 5, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_5

  • Request22 38 04
  • Service 22DID 3804
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

Total fuel correction, cylinder 6, mg/hub CHEROKEE_TOT_FUEL_CORR_CYL_6

  • Request22 38 05
  • Service 22DID 3805
  • Module7E0 → 7E8
  • Every1 s
  • Testing

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

Formula
(val ÷ 100)
Range
-327 to 327
Unit
Number

In testing for 1988 to 2013. Not supported for 2014, 2023.

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 2023.

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