Voltage App Icon

Voltage App

Advanced Monitoring & Control for Your EV

Supported Vehicles

Chevrolet Volt
Opel/Vauxhall/Holden Ampera
Chevrolet Bolt/Opel Ampera-E (2017–2023)
Chevrolet Spark EV
Cadillac ELR
Cadillac CT6 PHEV
Newer GM EVs (2024+) — Coming Soon
Before 2018 2019 – 2023 2024+
Data reading, monitoring, special functions Yes Yes Coming soon
Remote start / doors / window control Yes No *

* Serial Data Gateway Module installed on cars since 2019 firewalls remote control and other commands from the OBD2 port.

App Screenshots

Check Battery Health Compare to Peers Track Live Data Advanced Charging Control Remote Control HV Unlock Test Weak Battery Cells Diagnostic Suite and History

Features

Vehicle Control

  • Remote start and climate pre-conditioning (vehicles before 2019)
  • Battery heater for cold-weather range
  • Charge management and scheduling
  • Remote door and window operation
  • Engine control (ON / OFF / Release)
  • Module reset and DTC clearing

Professional Diagnostics

  • Deep DTC scan across all modules
  • 100+ live parameters with dual-column mode
  • Real-time battery pack analysis: cell voltages, temps
  • Weak Cell active test with guided verdict
  • Battery coolant pump and heater control
  • HW Info with module programming dates

Live Monitoring

Nine dedicated screens, every value charted in real time:

  • Efficiency — SoC, EV range, kWh, fuel efficiency
  • Powertrain — HV power, motor temps, transmission
  • HV Battery — pack voltage, cell delta, temps, coolant
  • Charger — AC/DC voltage, current, power, duty cycles
  • Climate — HVAC, cabin heat, AC, blower, remote start
  • 12V — voltage, current, power, per-module supply
  • TPMS — live tire pressure for all four wheels

HV Unlock

"Unbrick" your car and stay on the road — avoid a tow truck by resetting the high voltage system right from your phone. Clears Service High Voltage Charging System faults and re-enables driving and charging.

Health Insights

Critical vehicle health analysis and maintenance recommendations — ideal for DIY enthusiasts, used car buyers checking battery health, and owners tracking long-term performance.

History & Export

  • Full history view with vehicle selection
  • Export, import, and edit vehicle history

Polished Experience

  • Dark / Light / System theme
  • Multi-language support
  • Bottom status bar for at-a-glance info

Supported Adapters

Enhanced Features

SW-CAN Compatible Adapters

  • Automatic vehicle wake-up (for monitoring or control)
  • Remote door lock/unlock and Remote Start
  • Access to Instrument panel cluster
  • Access to Radio module
  • Access to HVAC system module
  • Access to Frontview Camera module

Recommended SW-CAN adapters

  • vGate vLinker MS [ iOS + Android ] BUY
  • vGate vLinker MC+ [ iOS (BLE) + Android ] BUY
  • OBDLink MX+ [ iOS + Android ] BUY

Required for full app compatibility

Basic Functionality

ELM327-based Bluetooth OBD2 Adapters

  • Access only to High Speed CAN

Recommended basic adapter

  • vGate iCar Pro BT3.0 BUY
  • ELM327 v1.5 BUY