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Volkswagen Jetta

Fuel parameters

The Volkswagen Jetta has 22 fuel parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Fuel level input JETTA_FLIConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 22 9A
  • Service 22DID 229A
  • Module714 → 77E
  • Every1 s
  • Testing for 1988 to 2009, 2012, 2017 to 2026

Example reply from a 2016 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x0052 = 82 → (82 ÷ 8) = 10.25 L

Formula
(val ÷ 8)
Range
0 to 8191.875 L
Unit
L

Confirmed for 2010 to 2011, 2013 to 2016. In testing for 1988 to 2005, 2007 to 2009, 2017 to 2018. Not supported for 2006, 2012.

  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.

Average fuel consumption JETTA_FUEL_USE_AVGConfirmed

  • Request22 22 99
  • Service 22DID 2299
  • Module714 → 77E
  • Every1 s
  • Testing for 1988 to 2009, 2012, 2017 to 2026

Example reply from a 2016 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x0051 = 81 → (81 ÷ 10) = 8.1 L

Formula
(val ÷ 10)
Range
0 to 6553.5 L
Unit
L

Confirmed for 2010 to 2011, 2013 to 2016. In testing for 1988 to 2005, 2007 to 2009, 2017 to 2018, 2022 to 2023, 2026. Not supported for 2006, 2012, 2019 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2020 to 2021, 2024 to 2025.

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 2009, 2014. Supported for 2011.

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 2020 to 2021, 2024 to 2025.

Fuel level input JETTA_FLIConfirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 22 9A
  • Service 22DID 229A
  • Module714 → 77E
  • Every1 s
  • Testing for 1988 to 2009, 2012, 2017 to 2026

Example reply from a 2016 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x0052 = 82 → (82 ÷ 8) = 10.25 L

Formula
(val ÷ 8)
Range
0 to 8191.875 L
Unit
L

Confirmed for 2010 to 2011, 2013 to 2016. In testing for 1988 to 2005, 2007 to 2009, 2017 to 2018. Not supported for 2006, 2012.

Fuel level input, v1 JETTA_FUEL_LEVEL_INPUT_V1Confirmed

Pelican can show this parameter as the fuel tank level.

  • Request22 14 B4
  • Service 22DID 14B4
  • Module7E0 → 7E8
  • Every1 s
  • Testing for 1988 to 2015, 2017 to 2018, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x0258 = 600 → (600 ÷ 100) = 6 L

Formula
(val ÷ 100)
Range
0 to 655.35 L
Unit
L

Confirmed for 2016, 2019 to 2021, 2024 to 2025. In testing for 1988 to 2005, 2007 to 2009, 2012, 2014, 2017 to 2018, 2022 to 2023, 2026. Not supported for 2006, 2010 to 2011, 2013, 2015.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2011, 2013, 2020 to 2021, 2024 to 2025. Supported for 2010, 2012, 2014 to 2017, 2019, 2022.

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 2011, 2013, 2020 to 2021, 2024 to 2025. Supported for 2010, 2012, 2014 to 2017, 2019, 2022.

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 2016, 2019 to 2021, 2024 to 2025. Supported for 2014 to 2015, 2017, 2022.

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 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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 2009, 2014, 2020 to 2021, 2024 to 2025.

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