P0D80: Battery Charger Input Circuit/Open

What it means

The battery charger input circuit reports a circuit/open condition. AC mains/EVSE input may be impaired.

At a glance

• Usually lights the check-engine light
• The engine or gearbox may go into limp mode

How it works

The onboard charger receives AC power from the mains supply or EVSE through its input circuit before converting it for battery charging. P0D80 sets when the charger detects an open or interrupted input path, so charging may fail to start or stop.

Common causes

Most likely first.

1. Open or faulty charger input wiring or connection
2. Fault in the onboard charger input circuit

Symptoms

• Charging may not start or may stop

How to diagnose it

1. Check the charge session record or scan-tool freeze-frame data to see whether the fault occurred at plug-in, during charging, or after an interruption.
2. Verify the outlet and EVSE are supplying power and that the charging connector is fully seated at both the vehicle and supply ends.
3. Inspect accessible charger input connectors and wiring for looseness, corrosion, damage, or heat marks, following the vehicle's safe shutdown instructions.
4. Check relevant fuses and input-circuit connections using the vehicle's service information.
5. Have a qualified technician test continuity through the onboard charger input circuit and verify the charger itself if the external supply and wiring are sound.

Common fixes

• Fully seat the charging connector and EVSE plug.
• Repair a damaged or loose charger input connection.
• Replace a failed fuse only after checking for the cause of its failure.
• Repair the onboard charger input circuit if testing confirms an internal open.

Can I keep driving?

Charging may not begin or may stop, but this code alone does not indicate that the vehicle's propulsion system has failed. Do not rely on an incomplete charge for a necessary trip; arrange charging elsewhere and have the input circuit checked.