On-board charger power

Last reviewed 2026-08-31

Hybrid / PHEV specific

Description

Electrical power of the PHEV on-board charger during AC or DC charging.

Unit

W

Group

charging

Protocol requests

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

• H2 Charger HV Watt

  Electrical power drawn by the on-board charger. Documented for Chevrolet Volt / Opel Ampera (Voltec Gen1) via Torque/UDS. Requires UDS ECU address 7E4 — not a generic OBD broadcast.

  UDS · mode 22 · PID 4373 · header 7E4 · primary

  Source label: H2 Charger HV Watt