Power electronics cooling temperature
Last reviewed 2026-08-31
Hybrid / PHEV specific
Description
Coolant or module temperature near hybrid inverters/OBC. Not the HV pack or ICE coolant sensor.
- Unit
- °C
- Group
- hybrid_hv
Protocol requests
The same meaning can arrive through different mode + PID + ECU header combinations. Do not merge by hex number alone.
-
H2 Power Eletronics Cooling Temp
Coolant or module temperature of hybrid power electronics (inverter/OBC area). 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 1C43 · header 7E4 · primary
Source label: H2 Power Eletronics Cooling Temp
Platforms that list this signal
Sources
Provenance for this page. Official standards outrank community notes. See the confidence policy.
community · medium trust
OVMS Volt/Ampera Torque PID map (DD-labeled)
uds-22-1C43-7E4