Mitsubishi vehicles are very sensitive to battery condition. Even if the engine starts, a battery with a weak cell, low voltage (below 12.2V resting), or high internal resistance will trigger the warning. This is especially common in start-stop system vehicles.
Surprisingly, a loose gas cap can occasionally trigger various system warnings on certain Mitsubishi models due to pressure sensor feedback. Troubleshooting and Diagnostics 1. The Voltage Test electrical system service required mitsubishi