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Error code reference

GE Dishwasher Error Code F202

A connection issue has been detected at the water valve.

GE codesGE dishwasher codes

A connection issue has been detected at the water valve.

First step from the service manual

Check connections at water valve. If OK replace the machine control board.

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

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What F202 means on a GE dishwasher

The F202 error code on a GE dishwasher indicates that the machine control board has detected a connection issue at the water inlet valve. The water inlet valve is an electrically operated solenoid component responsible for controlling the flow of water into the dishwasher tub during fill cycles. When the control board cannot establish or maintain a proper electrical signal with the valve, it flags F202 to alert the technician that communication or continuity in that circuit has been interrupted.

The most common sources of this fault are loose, corroded, or damaged wiring harness connectors at the valve itself. Vibration from normal operation can gradually loosen connector pins, and moisture exposure in the under-tub area can cause oxidation at the terminals. A broken wire in the harness between the control board and the valve is also a possibility, particularly near stress points where the harness bends or routes around cabinet edges.

If the wiring and connectors at the water valve are inspected and found to be secure and undamaged, the diagnostic path points to the machine control board as the likely failed component. The control board contains the output circuitry that drives the valve solenoid, and an internal failure on that board can produce the same connection fault signal even when the valve and wiring are in good condition. Replacing the control board is the recommended next step after confirming the harness integrity.

Source: manufacturer service documentation.

Common causes of F202

  1. 01

    Loose or disconnected wiring connector at the water valve

    Wiring / connection

    The connector plug at the water inlet valve can work loose from vibration over time. Inspect the connector for any pins that are pushed back, unseated, or not fully clicked into place.

  2. 02

    Corroded or oxidized terminals at the valve connector

    Wiring / connection

    Moisture in the under-tub area can cause oxidation on the connector terminals, increasing resistance and breaking the circuit. Look for green or white discoloration on the metal terminals.

  3. 03

    Damaged or broken wiring harness

    Part replacement

    A wire in the harness between the control board and the water valve may be broken or chafed, especially where the harness bends around cabinet edges or fasteners. A continuity check with a multimeter will confirm a break.

  4. 04

    Failed machine control board

    Part replacement

    If all wiring and connectors at the valve check out properly, the control board itself may have an internal failure in the output circuit that drives the valve. Replacing the control board is the next indicated step.

See the test procedure for each cause

Frequently asked questions about F202

What does F202 mean on a GE dishwasher?
F202 on a GE dishwasher means the machine control board has detected a connection problem at the water inlet valve. This valve controls when water enters the dishwasher during a wash cycle. The fault can stem from a loose or corroded connector at the valve, a damaged wiring harness, or a failed control board. Inspecting the wiring at the valve is the recommended first step.
Can I fix F202 on my GE dishwasher myself?
Checking and reseating the wiring connector at the water inlet valve is a straightforward task that a confident DIYer can perform after disconnecting power to the appliance. If the connector and wiring appear intact, replacing the machine control board is the next step and is more complex, though still manageable with basic appliance repair experience. Always disconnect power before working on any internal components.
Is it safe to keep using my dishwasher when F202 is displayed?
It is not recommended to continue running the dishwasher while F202 is active. A connection fault at the water inlet valve means the control board cannot reliably control the water fill, which could result in underfilling or unexpected behavior during the wash cycle. Address the fault before resuming normal use.
How much does it cost to fix a GE dishwasher F202 error?
If the repair is simply reseating a loose connector, there is no parts cost involved. If the wiring harness needs replacement, expect parts costs in the range of $20 to $60 depending on the harness assembly. A replacement machine control board typically costs between $80 and $200 for parts alone, with additional labor costs if a technician performs the repair.
Will resetting my GE dishwasher clear the F202 error code?
A reset may temporarily clear the F202 code, but the error will return if the underlying connection problem at the water inlet valve has not been resolved. Resetting the dishwasher by cutting power for a few minutes is useful for confirming whether the fault is intermittent, but it does not substitute for inspecting and correcting the wiring or replacing the control board.

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