Charge energy

Last reviewed 2026-08-31

Hybrid / PHEV specific

Description

Energy delivered during a charge session (e.g. last AC charge in Wh). Useful to verify wallbox vs car reporting.

Unit

Wh

Group

charging

Protocol requests

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

• H2 Last Charge AC Wh

  Energy delivered in a charge session (e.g. last AC charge in Wh). 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 437D · header 7E4 · primary

  Source label: H2 Last Charge AC Wh