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Error code reference

GE Dishwasher Error Code Pd

Plugged drain

Plugged drain - drain feedback switch still closed at 405 seconds, cycle cancelled.

First step from the service manual

Clean air gap and drain line.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What Pd means on a GE dishwasher

The Pd error code on a GE dishwasher indicates a plugged drain condition. Specifically, the control detects that the drain feedback switch remains in the closed position at the 405-second mark of the drain cycle, at which point the control cancels the active wash cycle. The drain feedback switch is the electrical component that signals the control board whether draining is actively occurring or has completed. When this switch stays closed beyond the 405-second threshold, the control interprets this as a failure to drain and triggers the Pd fault.

The most common root cause is a physical obstruction in the drain path. This includes blockages in the air gap (the cylindrical fitting mounted on the sink or countertop), kinks or clogs in the drain hose, or a blocked connection at the garbage disposal or sink drain tailpiece. Food debris, grease buildup, and foreign objects like broken glass or labels are frequent culprits. The drain pump itself can also become obstructed or fail mechanically, preventing water from moving through the system at a sufficient rate.

Diagnosing Pd should begin with the simplest mechanical checks first. Clean the air gap by removing its cap and clearing any debris from the internal passages. Inspect the drain hose for kinks, and verify the knockout plug has been removed if the drain connects to a garbage disposal. If the drain path is clear and the error persists, attention should shift to the drain pump motor and the drain feedback switch itself for electrical faults.

Source: manufacturer service documentation.

Common causes of Pd

  1. 01

    Clogged air gap

    Wiring / connection

    The air gap fitting on the sink or countertop is one of the most frequent points of blockage. Remove the cap and clean out any food debris or buildup from the internal passages.

  2. 02

    Blocked or kinked drain hose

    Wiring / connection

    The drain hose running from the dishwasher to the disposal or sink drain can develop kinks or accumulate grease and debris over time. Inspect the full length of the hose and clear any restrictions.

  3. 03

    Clogged garbage disposal or drain connection

    Wiring / connection

    If the dishwasher drains into a garbage disposal, a clogged disposal or a missing knockout plug can prevent drainage entirely. Run the disposal to clear it and verify the dishwasher connection port is open.

  4. 04

    Drain pump obstruction or failure

    Part replacement

    Foreign objects such as broken glass, food debris, or labels can jam the drain pump impeller. A failed pump motor will also prevent drainage and keep the feedback switch closed. Inspect the pump for obstructions and test the motor for proper operation.

  5. 05

    Faulty drain feedback switch

    Part replacement

    If the drain path is clear and the pump is functioning correctly, the drain feedback switch itself may be defective and stuck in the closed position, sending a false plugged-drain signal to the control board.

See the test procedure for each cause

Frequently asked questions about Pd

What does Pd mean on a GE dishwasher?
Pd stands for plugged drain on a GE dishwasher. It means the control board detected that the drain feedback switch was still closed at 405 seconds into the drain cycle, indicating the dishwasher failed to drain within the expected time. The control cancels the cycle when this happens to protect the appliance and your kitchen. A clog somewhere in the drain system is the most common cause.
How do I fix the Pd error on my GE dishwasher?
Start by cleaning the air gap on your sink and inspecting the drain hose for kinks or blockages. If the dishwasher drains into a garbage disposal, run the disposal and make sure the knockout plug was removed during installation. If those steps do not clear the error, check the drain pump for obstructions and test the pump motor and drain feedback switch for proper operation.
Will resetting my GE dishwasher clear the Pd error?
Resetting the dishwasher may clear the error code temporarily, but if the underlying drain blockage or component fault is not resolved, the Pd code will return during the next drain cycle. Always address the physical cause of the drain obstruction before attempting a reset. A reset alone is not a repair.
Is it safe to use my GE dishwasher when it shows the Pd error?
You should not continue using the dishwasher until the Pd condition is resolved. The control cancels the cycle because water has not drained properly, meaning standing water may remain in the tub. Running the dishwasher with a blocked drain can stress the pump motor and potentially cause water to back up into the appliance or onto your floor.
How much does it cost to repair a GE dishwasher Pd error?
If the fix involves clearing a clogged air gap or drain hose, the repair can be done at no cost beyond your time. If the drain pump needs to be replaced, parts typically range from $30 to $100 depending on the model, with professional labor adding $75 to $200 or more. A faulty drain feedback switch is generally a lower-cost part, though labor costs apply if you hire a technician.

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