What are the common causes of P0D0A?

An open in the battery charging positive contactor A control circuit. A failed battery energy control module. A high voltage contactor that will not close. An open or short in the battery energy control module harness.

Read hybrid/EV battery contactor states on a scan tool. Inspect the battery energy control module connector and harness. Test the positive contactor A control circuit for open and short faults. Watch the contactor state change with the ignition cycled. Replace the battery energy control module if the circuit tests good. Clear the code and retest.

P0D0A

Battery Charging System Positive Contactor A Control Circuit/Open

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

What it means

P0D0A means Battery Charging System Positive Contactor A Control Circuit/Open.

Check these first

An open in the battery charging positive contactor A control circuit
A failed battery energy control module
A high voltage contactor that will not close
An open or short in the battery energy control module harness

What to do next

Read hybrid/EV battery contactor states on a scan tool
Inspect the battery energy control module connector and harness
Test the positive contactor A control circuit for open and short faults
Watch the contactor state change with the ignition cycled
Replace the battery energy control module if the circuit tests good
Clear the code and retest

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Updated

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