Battery parameters
The Volkswagen GTI has 18 battery parameters.
● Confirmed◆ In testing○ Supported× Not supported
Battery charge level GOLF_BAT_SOCConfirmed
- Request
22 2A 0C - Service 22
DID 2A0C - Module
710 → 77A - Every
10 s - Testing for 1988 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x3E = 62 → 62 %
- Formula
val- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2015 to 2020. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2021 to 2026.
Battery current GOLF_BAT_IConfirmed
- Request
22 2A 09 - Service 22
DID 2A09 - Module
710 → 77A - Every
1 s - Testing for 1988 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 31 of the reply, 32 bits. The value is signed.
0x00000668 = 1640 → (1640 ÷ 1000) = 1.64 A
- Formula
(val ÷ 1000)- Range
- -1000 to 1000 A
- Unit
- A
Confirmed for 2015 to 2020. In testing for 1988 to 2000, 2002 to 2004, 2013 to 2014. Not supported for 2001, 2005 to 2012, 2021 to 2026.
Battery internal resistance GOLF_BAT_INT_RConfirmed
- Request
22 2A 0E - Service 22
DID 2A0E - Module
710 → 77A - Every
5 s - Testing for 1988 to 2014, 2025 to 2026
Example reply from a 2024 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x00 = 0 → (0 × 20 ÷ 100) = 0
- Formula
(val × 20 ÷ 100)- Range
- 0 to 51
- Unit
- Raw value
Confirmed for 2015 to 2024. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2025 to 2026.
Battery temperature GOLF_BAT_TConfirmed
- Request
22 2A 0B - Service 22
DID 2A0B - Module
710 → 77A - Every
5 s - Testing for 1988 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x32 = 50 → (50 − 40) = 10 °C
- Formula
(val − 40)- Range
- -40 to 215 °C
- Unit
- °C
Confirmed for 2015 to 2020. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2021 to 2026.
Battery voltage GOLF_BAT_V_2A07Confirmed
- Request
22 2A 07 - Service 22
DID 2A07 - Module
710 → 77A - Every
5 s - Testing for 1988 to 2011, 2013 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 15 of the reply, 16 bits.
0x20FF = 8447 → (8447 ÷ 1000 + 4) = 12.447 V
- Formula
(val ÷ 1000 + 4)- Range
- 4 to 69.535 V
- Unit
- V
Confirmed for 2015 to 2020. In testing for 1988 to 2004, 2013 to 2014. Supported for 2012. Not supported for 2005 to 2011, 2021 to 2026.
Battery voltage at rest GOLF_BAT_V_AT_RESTConfirmed
- Request
22 2A 10 - Service 22
DID 2A10 - Module
710 → 77A - Every
5 s - Testing for 1988 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x21 = 33 → (33 ÷ 10 + 9) = 12.3 V
- Formula
(val ÷ 10 + 9)- Range
- 9 to 34.5 V
- Unit
- V
Confirmed for 2015 to 2020. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2021 to 2026.
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.
- Request
01 42 - Service 01
PID 42 - Module
7E0 → 7E8 - Every
10 s
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 1000)- Range
- 0 to 65535 V
- Unit
- V
Confirmed for 2007, 2009 to 2010, 2012 to 2013, 2015 to 2026. Supported for 2006, 2008, 2011, 2014.
eCall battery charge level GOLF_ECALL_SOCConfirmed
- Request
22 08 38 - Service 22
DID 0838 - Module
767 → 7D1 - Every
5 s - Testing for 1988 to 2017, 2019
Example reply from a 2026 Volkswagen GTI.
Bits 8 to 15 of the reply, 8 bits.
0x5B = 91 → 91 %
- Formula
val- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018, 2020 to 2026. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2015 to 2017, 2019.
eCall battery status GOLF_ECALL_STATUSConfirmed
- Request
22 08 38 - Service 22
DID 0838 - Module
767 → 7D1 - Every
5 s - Testing for 1988 to 2017, 2019
Example reply from a 2026 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x02 = 2 → NORMAL
- Unit
- Named states
| Raw value | State |
|---|---|
1 | CRITICAL |
2 | NORMAL |
Confirmed for 2018, 2020 to 2026. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2015 to 2017, 2019.
Enhanced Hybrid/EV Vehicle Charging State EHEV_MODESAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bits 1 to 2 of the reply, 2 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | CSM | Charge sustaining mode |
1 | CDM | Charge depleting mode |
2 | CIM | Charge increasing mode |
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Battery System Current HEV_BATT_ASAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bits 32 to 47 of the reply, 16 bits. The value is signed.
- Formula
(val ÷ 10)- Range
- -3276.8 to 3276.7 A
- Unit
- A
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Battery System Voltage HEV_BATT_VSAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bits 16 to 31 of the reply, 16 bits.
- Formula
(val ÷ 64)- Range
- 0 to 1023.98 V
- Unit
- V
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Vehicle Charging State HEV_MODESAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bit 0 of the reply.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | CSM | Charge sustaining mode |
1 | CDM | Charge depleting mode |
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Usable battery charge GOLF_USE_BAT_CHGConfirmed
- Request
22 2A 0F - Service 22
DID 2A0F - Module
710 → 77A - Every
5 s - Testing for 1988 to 2014, 2021 to 2026
Example reply from a 2020 Volkswagen GTI.
Bits 0 to 7 of the reply, 8 bits.
0x16 = 22 → 22 Ah
- Formula
val- Range
- 0 to 255 Ah
- Unit
- Ah
Confirmed for 2015 to 2020. In testing for 1988 to 2004, 2013 to 2014. Not supported for 2005 to 2012, 2021 to 2026.
Battery › Internal
Enhanced Hybrid/EV Vehicle Charging State supported? EHEV_MODE_SUPSAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bit 4 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Battery Current supported? HEV_BATT_A_SUPSAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bit 5 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Battery Voltage supported? HEV_BATT_V_SUPSAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bit 6 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2025 to 2026. Supported for 2021, 2024.
Hybrid/EV Vehicle Charging State supported? HEV_MODE_SUPSAE J1979Confirmed
- Request
01 9A - Service 01
PID 9A - Module
7E0 → 7E8 - Every
250 ms
Bit 7 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2025 to 2026. Supported for 2021, 2024.