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Volkswagen Jetta

Battery parameters

The Volkswagen Jetta has 15 battery parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

Control module voltage JETTA_VPWRConfirmed

Pelican can show this parameter as the starter battery voltage.

  • Request22 F4 42
  • Service 22DID F442
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2017 to 2018, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x2F94 = 12180 → (12180 ÷ 1000) = 12.18 V

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

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

  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.

Battery internal resistance JETTA_SSB_RES_INTConfirmed

  • Request22 2A 0E
  • Service 22DID 2A0E
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits. The value is signed.

0x00 = 0 → (0 ÷ 5) = 0

Formula
(val ÷ 5)
Range
-25.6 to 25.4
Unit
Number

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

Battery sensor temperature JETTA_BAT_TConfirmed

  • Request22 2A 0A
  • Service 22DID 2A0A
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 − 40) = -40 °C

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

Confirmed for 2024. In testing for 2022 to 2023, 2026. Not supported for 2025.

Control module voltage JETTA_VPWRConfirmed

Pelican can show this parameter as the starter battery voltage.

  • Request22 F4 42
  • Service 22DID F442
  • Module7E0 → 7E8
  • Every250 ms
  • Testing for 2017 to 2018, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x2F94 = 12180 → (12180 ÷ 1000) = 12.18 V

Formula
(val ÷ 1000)
Range
0 to 65 V
Unit
V

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

Control module voltage VPWRSAE J1979Confirmed

Power input to the OBD control module. VPWR is normally battery voltage, less any voltage drop in the circuit between the battery and the control module.

Pelican can show this parameter as the starter battery voltage.

  • Request01 42
  • Service 01PID 42
  • Module7E0 → 7E8
  • Every10 s

Bits 0 to 15 of the reply, 16 bits.

Formula
(val ÷ 1000)
Range
0 to 65535 V
Unit
V

Confirmed for 2009, 2011, 2014 to 2016, 2019 to 2021, 2024 to 2025. Supported for 2010, 2012 to 2013, 2017, 2022.

Ecall battery charge level JETTA_ECALL_BATTERY_CHARGE_LEVELConfirmed

  • Request22 08 38
  • Service 22DID 0838
  • Module767 → 7D1
  • Every1 s
  • Testing for 1988 to 2020, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 8 to 15 of the reply, 8 bits.

0x5D = 93 → 93 %

Formula
val
Range
0 to 100 %
Unit
%

Confirmed for 2021, 2024 to 2025. In testing for 1988 to 2005, 2007 to 2009, 2017 to 2018, 2022 to 2023, 2026. Not supported for 2006, 2010 to 2016, 2019 to 2020.

Ecall battery charge status JETTA_ECALL_BATTERY_CHARGE_STATUSConfirmed

  • Request22 08 38
  • Service 22DID 0838
  • Module767 → 7D1
  • Every1 s
  • Testing for 1988 to 2020, 2022 to 2023, 2026

Example reply from a 2025 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x02 = 2 → 2

Formula
val
Range
0 to 100
Unit
Number

Confirmed for 2021, 2024 to 2025. In testing for 1988 to 2005, 2007 to 2009, 2017 to 2018, 2022 to 2023, 2026. Not supported for 2006, 2010 to 2016, 2019 to 2020.

Start/stop battery charge JETTA_SSB_AHConfirmed

  • Request22 2A 0F
  • Service 22DID 2A0F
  • Module710 → 77A
  • Every5 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → 0 Ah

Formula
val
Range
0 to 255 Ah
Unit
Ah

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2011 to 2014, 2016, 2025.

Start/stop battery current JETTA_SSB_CConfirmed

  • Request22 2A 09
  • Service 22DID 2A09
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 31 of the reply, 32 bits. The value is signed.

0x00000000 = 0 → (0 ÷ 1000) = 0 A

Formula
(val ÷ 1000)
Range
0 to 100 A
Unit
A

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2012 to 2014, 2016, 2025.

Start/stop battery sensor temperature JETTA_SSB_TConfirmed

  • Request22 2A 0B
  • Service 22DID 2A0B
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 − 40) = -40 °C

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

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2011 to 2014, 2016, 2025.

Start/stop battery state of charge JETTA_SSB_SOCConfirmed

  • Request22 2A 0C
  • Service 22DID 2A0C
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x43 = 67 → 67 %

Formula
val
Range
0 to 100 %
Unit
%

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2011 to 2014, 2016, 2025.

Start/stop battery target voltage JETTA_SSB_VTConfirmed

  • Request22 2A 00
  • Service 22DID 2A00
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 ÷ 10 + 10.6) = 10.6 V

Formula
(val ÷ 10 + 10.6)
Range
0 to 36.1 V
Unit
V

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2012 to 2014, 2016, 2025.

Start/stop battery total charge JETTA_SSB_TOTAL_CHARGEConfirmed

  • Request22 2A 61
  • Service 22DID 2A61
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 31 of the reply, 32 bits.

0x00000000 = 0 → (0 ÷ 10) = 0 Ah

Formula
(val ÷ 10)
Range
0 to 100 Ah
Unit
Ah

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2012 to 2014, 2016, 2025.

Start/stop battery total discharge JETTA_SSB_TOTAL_DISCHARGEConfirmed

  • Request22 2A 61
  • Service 22DID 2A61
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 32 to 63 of the reply, 32 bits.

0x00000000 = 0 → (0 ÷ 10) = 0 Ah

Formula
(val ÷ 10)
Range
0 to 100 Ah
Unit
Ah

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2012 to 2014, 2016, 2025.

Start/stop battery voltage JETTA_SSB_VConfirmed

  • Request22 2A 07
  • Service 22DID 2A07
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 15 of the reply, 16 bits.

0x0000 = 0 → (0 ÷ 1000 + 4) = 4 V

Formula
(val ÷ 1000 + 4)
Range
4 to 69.535 V
Unit
V

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2011 to 2014, 2016, 2025.

Start/stop battery voltage JETTA_SSB_V_RESTConfirmed

  • Request22 2A 10
  • Service 22DID 2A10
  • Module710 → 77A
  • Every1 s
  • Testing for 1988 to 2018, 2022 to 2023, 2025 to 2026

Example reply from a 2024 Volkswagen Jetta.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 ÷ 10 + 9) = 9 V

Formula
(val ÷ 10 + 9)
Range
9 to 34.5 V
Unit
V

Confirmed for 2019 to 2021, 2024. In testing for 2017 to 2018, 2022 to 2023, 2026. Not supported for 2009, 2011 to 2014, 2016, 2025.

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