HV battery block voltage

Last reviewed 2026-08-31

Hybrid / PHEV specific

Description

Per-block / per-module voltage inside the pack (Toyota-style).

Unit

mV

Group

hybrid_hv

Protocol requests

The same meaning can arrive through different mode + PID + ECU header combinations. Do not merge by hex number alone.

• Bat Battery Block 1 Voltage / Bat Battery Block 2 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A4 · header 84D5F1 · primary

  Source label: Bat Battery Block 1 Voltage

• Bat Battery Block 3 Voltage / Bat Battery Block 4 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A5 · header 84D5F1 · alternate

  Source label: Bat Battery Block 3 Voltage

• Bat Battery Block 5 Voltage / Bat Battery Block 6 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A6 · header 84D5F1 · alternate

  Source label: Bat Battery Block 5 Voltage

• Bat Battery Block 7 Voltage / Bat Battery Block 8 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A7 · header 84D5F1 · alternate

  Source label: Bat Battery Block 7 Voltage

• Bat Battery Block 10 Voltage / Bat Battery Block 9 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A8 · header 84D5F1 · alternate

  Source label: Bat Battery Block 10 Voltage

• Bat Battery Block 11 Voltage / Bat Battery Block 12 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID A9 · header 84D5F1 · alternate

  Source label: Bat Battery Block 11 Voltage

• Bat Battery Block 13 Voltage / Bat Battery Block 14 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AA · header 84D5F1 · alternate

  Source label: Bat Battery Block 13 Voltage

• Bat Battery Block 15 Voltage / Bat Battery Block 16 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AB · header 84D5F1 · alternate

  Source label: Bat Battery Block 15 Voltage

• Bat Battery Block 17 Voltage / Bat Battery Block 18 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AC · header 84D5F1 · alternate

  Source label: Bat Battery Block 17 Voltage

• Bat Battery Block 19 Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AD · header 84D5F1 · alternate

  Source label: Bat Battery Block 19 Voltage

• Bat Lowest Battery Block Number / Bat Lowest Battery Block Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AE · header 84D5F1 · alternate

  Source label: Bat Lowest Battery Block Voltage

• Bat Highest Battery Block Number / Bat Highest Battery Block Voltage

  Voltage of one module/block inside the HV pack. Used to spot weak cells; not the full pack voltage. Documented for Toyota Prius Gen1 (NHW11) via Torque custom PIDs. Requires manufacturer ECU header 84D5F1 — not a generic OBD broadcast.

  OBD · mode 01 · PID AF · header 84D5F1 · alternate

  Source label: Bat Highest Battery Block Voltage