What are the common causes of P0D93?

A short to voltage on the coupler lock control circuit. A failed lock motor or solenoid holding the line high. An open ground at the coupler lock. Water in the coupler lock connector.

Check the coupler lock control wire for a short to voltage. Inspect the coupler connector for water and corrosion. Verify the lock ground. Command the lock with a scan tool and watch it move. Replace the lock motor or coupler assembly if the line stays high. Clear the code and retest.

P0D93

Battery Charger Coupler Lock Control Circuit High

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

What it means

P0D93 means Battery Charger Coupler Lock Control Circuit High.

Check these first

A short to voltage on the coupler lock control circuit
A failed lock motor or solenoid holding the line high
An open ground at the coupler lock
Water in the coupler lock connector

What to do next

Check the coupler lock control wire for a short to voltage
Inspect the coupler connector for water and corrosion
Verify the lock ground
Command the lock with a scan tool and watch it move
Replace the lock motor or coupler assembly if the line stays high
Clear the code and retest

Look up another code

Code or symptom

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

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