GE · Dishwasher
C4 Water over-fill fault
What this code means
The dishwasher is detecting more water than it should have — usually a stuck-open inlet valve.
Most likely causes
- Failed water inlet valve stuck open
What to try first
Shut off the water supply to the dishwasher if it's actively overfilling, and don't run it until the valve is checked.
Safety note: if this code returns after one clean reset, stop resetting it — repeated lockouts usually mean a real fault that needs a licensed technician. Never bypass a safety switch.
Find the part on Amazon →FAQ
What does GE error code C4 mean?
Water over-fill fault. The dishwasher is detecting more water than it should have — usually a stuck-open inlet valve.
Can I fix GE code C4 myself?
Usually not. Shut off the water supply to the dishwasher if it's actively overfilling, and don't run it until the valve is checked. If the code returns after one reset, it needs a licensed technician.
What causes GE code C4?
The most common causes are: failed water inlet valve stuck open.
Other GE dishwasher codes
All GE dishwasher error codes →
Other dishwasher brands: Bosch · Whirlpool · KitchenAid · Samsung · LG · Maytag · Frigidaire · Generic · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.