Faulty charge port lock actuator or latch mechanism, seized or worn; Damaged wiring or poor connection at the actuator connector, such as corrosion or water ingress; Debris, ice or damage to the charge port or plug preventing the latch moving fully; Faulty lock position feedback switch or sensor; Low or unstable 12 V battery supply affecting actuator operation; Fault in the charger or control module driving the lock circuit, or outdated software.

P0D94

Battery Charger Coupler Lock Control Circuit Performance.

Generic
Powertrain
Generic code
Medium severity

How this code is built

P: SystemPowertrain
0: Defined bySAE, the same on every car
D: AreaReserved
94: FaultThe specific fault in that area

What it means

P0D94 is a generic powertrain code meaning the control circuit for the battery charger coupler lock (the charge port latch that holds the charging plug in place) is not performing as expected. The control unit commanded the lock or unlock actuator and the position feedback or circuit behaviour did not match the command within the expected time. It applies to plug-in hybrids and electric vehicles, and the exact monitoring strategy depends on the model.

Symptoms

Charging plug will not release from the charge port
Vehicle will not start charging, or charging stops unexpectedly
Charge port lock does not click or engage when the plug is inserted
Warning light or message about the charging system
Charge port lock does not respond to the unlock button or remote unlock

Possible causes

Faulty charge port lock actuator or latch mechanism, seized or wornlikely
Damaged wiring or poor connection at the actuator connector, such as corrosion or water ingresslikely
Debris, ice or damage to the charge port or plug preventing the latch moving fullypossible
Faulty lock position feedback switch or sensorpossible
Low or unstable 12 V battery supply affecting actuator operationpossible
Fault in the charger or control module driving the lock circuit, or outdated softwarerare

How to diagnose

Read all stored codes and freeze frame data, and note whether other charging or 12 V supply codes are present
Check the 12 V battery condition and charging system voltage, as low voltage can cause lock faults
Inspect the charge port and plug for dirt, ice, damage, bent pins or a sticking latch
Try locking and unlocking the port with the vehicle controls and listen for the actuator operating
Inspect the actuator wiring and connector for corrosion, water, chafing and loose terminals
Check the actuator supply, ground and control signals against the manufacturer wiring diagram
Use a scan tool's actuator test, if available, and check the position feedback reading changes as the lock moves
Check for relevant software updates or service bulletins for the specific model

How to fix

Clean and free the charge port latch, and remove any debris or ice
Repair or replace damaged wiring and clean or replace corroded connectors
Replace the charge port lock actuator or the charge port assembly if it is seized or faulty
Replace the position feedback switch or sensor if it is faulty and serviceable separately
Restore a healthy 12 V supply by charging or replacing the battery
Update the control module software if an outdated calibration is a known cause for the model, or repair the module if it is proven faulty

Can I keep driving?

Medium severity

The car can usually still be driven if the plug is released, but charging may be unavailable or the plug may be stuck. Get it checked soon, as you may be unable to charge reliably.

Guide written by AI from the code's definition. Confirm with a diagnosis before replacing parts.