IONNA Updates Charging Stations With Improved Info
New software updates provide clearer pricing and better connectivity for GM and older Tesla models at charging locations.
Updated on Oct. 15, 2026 in Electric Vehicles
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IONNA has released software updates across its nationwide DC fast-charging network to improve transparency and connectivity. The updates address specific issues for GM and Tesla drivers while adding clearer pricing and power limit information to charging screens.
Why it matters
These updates address common frustrations with charger transparency and vehicle compatibility, making public charging sessions more predictable for EV owners. By clarifying power limitations and pricing, the network helps drivers better manage their time and travel costs at the plug.
The updates affect nearly 200 DC fast-charging locations across the United States. New features include expanded pricing details and power limit indicators for stations capable of providing up to 400 kW of charging power.
The players
IONNA
A joint venture between eight major automakers focused on operating a high-power DC fast-charging network across the United States.
The details
The software update modifies the interface on charging dispensers to display real-time power constraints, indicating whether the station or the vehicle is limiting the charge rate. It also resolves a connection error that previously occurred when waking up certain GM electric vehicles and adds compatibility alerts for drivers of Tesla models produced prior to 2021. Pricing screens have been overhauled to clearly show how session costs are calculated, providing greater transparency for users.
Timeline
October 15, 2026: IONNA announced the deployment of software updates for its charging network.
The Home Front
As charging networks mature, industry focus has shifted from initial infrastructure deployment to standardizing the user interface across diverse vehicle brands. This update follows a broader trend of optimizing software to reconcile compatibility gaps between legacy EV models and new fast-charging hardware.
EV owners should observe the updated on-screen prompts during their next charging session to confirm if their vehicle or the charger is dictating current power levels. Drivers of older Tesla models and GM vehicles should look for the new, clearer connectivity indicators to ensure their sessions begin without interruption.
The takeaway
Transparency at the charging station allows you to better estimate how long your vehicle needs to stay plugged in to reach your desired range. Take a moment to review the updated pricing and power information displayed on the screen during your next visit to a station.
Further reading
Learn more about the latest developments in the Electric Vehicles infrastructure.
Source note: This article includes information reported by GM Authority.
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