What are the common causes of P0D23?

Battery charger A output shorted to ground or itself. A failed charger A module output stage. A damaged output cable or connector. Water intrusion in the charger A output. A shorted load on the charger A output.

Isolate the charger A output and check for a short to ground. Inspect the charger A output cable and connector. Test the charger A module output stage. Check for water in the charger A output connector. Replace battery charger A if its output stays shorted. Clear the code and retest.

P0D23

Battery Charger A Output Shorted

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Hybrid Propulsion

What it means

P0D23 means Battery Charger A Output Shorted.

Check these first

Battery charger A output shorted to ground or itself
A failed charger A module output stage
A damaged output cable or connector
Water intrusion in the charger A output
A shorted load on the charger A output

What to do next

Isolate the charger A output and check for a short to ground
Inspect the charger A output cable and connector
Test the charger A module output stage
Check for water in the charger A output connector
Replace battery charger A if its output stays shorted
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.