HVP_w056 — Contactor Failed To Open

Full alert identifier: HVP_w056_contactorFailedToOpen

Alert description

One or more fast charge (FC) or pack contactors in the high voltage battery failed to open when requested

Pyro fuse will blow, which will cut off all high voltage (including charging)

The contactor(s) do not open when requested to open immediately

High Voltage Processor (HVP) reset

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal	Unit
Shunt Current `HVP_a056_shuntCurrent`	A

Signal	Unit
Diagnosis `HVP_a056_diagnosis` 0 SHUNT CURRENT SNA 1 HIGH SHUNT CURRENT 2 PACK CONTACTOR WELDED	—
Neg Fc Contactor State `HVP_a056_negFcContactorState` 0 SNA 1 OPEN 2 PRECHARGE 3 BLOCKED 4 PULLED IN 5 OPENING 6 ECONOMIZED 7 WELDED	—
Neg Pack Contactor State `HVP_a056_negPackContactorState` 0 SNA 1 OPEN 2 PRECHARGE 3 BLOCKED 4 PULLED IN 5 OPENING 6 ECONOMIZED 7 WELDED	—
Pos Fc Contactor State `HVP_a056_posFcContactorState` 0 SNA 1 OPEN 2 PRECHARGE 3 BLOCKED 4 PULLED IN 5 OPENING 6 ECONOMIZED 7 WELDED	—
Pos Pack Contactor State `HVP_a056_posPackContactorState` 0 SNA 1 OPEN 2 PRECHARGE 3 BLOCKED 4 PULLED IN 5 OPENING 6 ECONOMIZED 7 WELDED	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVP_w056.