GE Dishwasher Error Code C6: Water Valve and Fill Issues
Updated: February 2026
The GE dishwasher error code C6 indicates the water inlet valve isn't functioning properly. Your dishwasher either isn't filling with water, fills too slowly, or the valve won't close completely.
Causes of C6 Error
The water inlet valve opens to allow water into the dishwasher when signaled by the control board. The C6 error means the valve is stuck closed, clogged with sediment, has electrical failure, or isn't receiving adequate water pressure from your home supply.
Step-by-Step Repair Guide
- Step 1: Turn off the dishwasher's water supply valve located under the sink. Disconnect power at the circuit breaker.
- Step 2: Pull out the dishwasher slightly to access the inlet valve, typically located at the lower left front.
- Step 3: Disconnect the water supply line from the valve. Have a towel ready to catch residual water.
- Step 4: Remove the inlet valve screen and inspect for debris or sediment. Clean thoroughly with a brush under running water.
- Step 5: Test the valve solenoids with a multimeter. Each coil should show 500-1500 ohms of resistance. Infinite or zero means valve replacement is needed.
- Step 6: Check your home's water pressure. The dishwasher requires 20-120 psi. Low pressure prevents proper filling.
- Step 7: If the valve tests bad, order a replacement inlet valve for your GE model. Installation involves transferring hose connections and securing mounting screws.
After replacement, turn on the water supply and check for leaks before pushing the dishwasher back into place. Run a fill test cycle to confirm the C6 error is resolved. Clean the inlet screen annually to prevent sediment buildup.
Key Takeaway: With the information in this guide about GE Dishwasher Error Code C6: Water Valve and Fill Issues, you are well-prepared to handle this topic confidently. Remember to start with the basics and work your way up if needed.
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