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Toyota Tundra

Electrical parameters

The Toyota Tundra has 4 electrical parameters.

● Confirmed◆ In testing○ Supported× Not supported

How to read a parameter card

B+ battery voltage TUNDRA_BATTERY_VOLTAGE_7C0Confirmed

Pelican can show this parameter as the starter battery voltage.

  • Request22 10 21
  • Service 22DID 1021
  • Module7C0 → 7C8
  • Every5 s
  • Testing for 1999 to 2021, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 ÷ 10) = 0 V

Formula
(val ÷ 10)
Range
0 to 20 V
Unit
V

Confirmed for 2022 to 2025. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2012, 2014 to 2021.

  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.

12V battery charge, total TUNDRA_12V_AH_INConfirmed

  • Request22 15 E8
  • Service 22DID 15E8
  • Module7D2 → 7DA
  • Every60 s
  • Testing for 1999 to 2022, 2024, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 31 of the reply, 32 bits.

0x00006066 = 24678 → (24678 ÷ 10) = 2,467.8 Ah

Formula
(val ÷ 10)
Range
0 to 429496729.5 Ah
Unit
Ah

Confirmed for 2023, 2025. In testing for 1999 to 2022, 2026. Not supported for 2024.

12V battery discharge, total TUNDRA_12V_AH_OUTConfirmed

  • Request22 15 E8
  • Service 22DID 15E8
  • Module7D2 → 7DA
  • Every60 s
  • Testing for 1999 to 2022, 2024, 2026

Example reply from a 2025 Toyota Tundra.

Bits 32 to 63 of the reply, 32 bits.

0x0000134A = 4938 → (4938 ÷ 10) = 493.8 Ah

Formula
(val ÷ 10)
Range
0 to 429496729.5 Ah
Unit
Ah

Confirmed for 2023, 2025. In testing for 1999 to 2022, 2026. Not supported for 2024.

12V battery full charge capacity TUNDRA_12V_CAPConfirmed

  • Request22 15 E5
  • Service 22DID 15E5
  • Module7D2 → 7DA
  • Every60 s
  • Testing for 1999 to 2022, 2024, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x7E = 126 → (126 ÷ 2) = 63 Ah

Formula
(val ÷ 2)
Range
0 to 127.5 Ah
Unit
Ah

Confirmed for 2023, 2025. In testing for 1999 to 2022, 2026. Not supported for 2024.

B+ battery voltage TUNDRA_BATTERY_VOLTAGE_7C0Confirmed

Pelican can show this parameter as the starter battery voltage.

  • Request22 10 21
  • Service 22DID 1021
  • Module7C0 → 7C8
  • Every5 s
  • Testing for 1999 to 2021, 2026

Example reply from a 2025 Toyota Tundra.

Bits 0 to 7 of the reply, 8 bits.

0x00 = 0 → (0 ÷ 10) = 0 V

Formula
(val ÷ 10)
Range
0 to 20 V
Unit
V

Confirmed for 2022 to 2025. In testing for 1999, 2001 to 2004, 2009, 2013, 2026. Not supported for 2000, 2005 to 2008, 2010 to 2012, 2014 to 2021.

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