What are the common causes of P0E65?

An open in the battery charger control circuit. A failed charger control module. A blown fuse or poor ground at the charger control module. A disconnected or corroded charger connector.

Check the charger control fuse and ground first. Inspect the charger connector and wiring for opens. Command charging with a scan tool and watch the control signal. Measure the control signal at the charger. Replace the charger control module if the wiring tests good. Clear the code and retest.

P0E65

Battery Charger Control Circuit/Open

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

What it means

P0E65 means Battery Charger Control Circuit/Open.

Check these first

An open in the battery charger control circuit
A failed charger control module
A blown fuse or poor ground at the charger control module
A disconnected or corroded charger connector

What to do next

Check the charger control fuse and ground first
Inspect the charger connector and wiring for opens
Command charging with a scan tool and watch the control signal
Measure the control signal at the charger
Replace the charger control module if the wiring tests good
Clear the code and retest

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Updated

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