Charging session resilience

Vehicle Wake Assist

A smarter helper for vehicles that do not respond when the charging window starts.

Some vehicles can sleep deeply between plug-in and an off-peak charging window. Vehicle Wake Assist is designed to help PlugStream manage that handover more gracefully, using standards-aligned checks and retry behaviour where the charger and vehicle support it.

Primary purpose

Improve scheduled-session resilience where supported

Best for

Drivers using delayed, tariff-aware or overnight charging

Works with

PlugStream session monitoring and app-led charging flows

Session resilience

Built for the gap between plug-in and start time

Wake Assist focuses on the moment when a vehicle was plugged in earlier, then needs to respond later when charging should begin.

Sleeping-vehicle behaviour

Helps identify when a vehicle may not be responding as expected at the start of a delayed charging window.

Retry and recheck logic

Supports a more resilient session path by retrying the charger-side sequence where appropriate.

Smarter driver feedback

Gives the customer a clearer status route when the charger is ready but the vehicle has not started drawing power.

Support visibility

Helps support teams distinguish charger readiness from vehicle response behaviour during troubleshooting.

Tariff-aware charging

A stronger partner for overnight and off-peak charging

Wake Assist complements scheduled charging by helping PlugStream handle the delayed-start moment with more context.

Works around planned windows

Designed for charging sessions where the driver plugs in now but wants the session to begin later.

Complements readiness checks

Pairs naturally with Charger Readiness by separating charger-side blockers from vehicle-response questions.

Improves over time

Software-led behaviour can be refined through updates as PlugStream learns from supported charging scenarios.

How it works

Vehicle Wake Assist in practice

A simple view of how the feature supports the charging journey from intent to action.

  1. 01

    Driver plugs in

    The cable is connected before the planned charging window, often before the vehicle has settled into a low-power state.

  2. 02

    Charging waits for the right time

    The charger follows the schedule, tariff window or app-led charging instruction.

  3. 03

    Wake Assist checks response

    When the window starts, PlugStream checks whether the vehicle responds as expected and retries the session path where supported.

  4. 04

    Status becomes clearer

    If charging still cannot start, the driver or support team has a clearer route to understand what needs attention.

Best fit

Who Vehicle Wake Assist helps

The feature is designed to make the charging journey clearer for the people who have to rely on it, configure it, or support it.

Smart tariff users

Useful when charging is intentionally delayed until a cheaper overnight window.

Drivers with variable routines

Helpful when the vehicle may be plugged in for long periods before charging starts.

Support teams

Makes it easier to identify the difference between a charger issue and vehicle response behaviour.

Fleet and workplace sites

Supports more reliable scheduled sessions where vehicles may sit plugged in between shifts.

FAQ

Vehicle Wake Assist questions

Clear answers for customers, installers and operators reviewing PlugStream built-in features.

Can Vehicle Wake Assist wake every vehicle?

No. Vehicle behaviour varies by manufacturer, model, firmware and settings. Wake Assist improves the charger-side handling where supported, but it cannot override every vehicle sleep state.

Does it replace smart scheduling?

No. It complements scheduling by improving the handover when a delayed charging session should begin.

Is Vehicle Wake Assist the same as Charger Readiness?

No. Charger Readiness focuses on whether the charger looks ready for the next session. Vehicle Wake Assist focuses on vehicle response when a delayed session starts.

Built into the PlugStream journey

Want to see how this fits your charging setup?