GE dishwasher error code

C6

Incoming water too cold

The water reaching the dishwasher is not hot enough for proper cleaning.

Try these free fixes first

Unplug the dishwasher before opening any panel.

  1. Run the kitchen faucet until the water is hot before starting the dishwasher.
  2. Set your water heater to at least 120°F (49°C).
  3. Avoid running the washing machine or showers at the same time as the dishwasher.
  4. Restart the cycle.

Still showing C6?

If water is hot at the faucet and the code continues, a technician should test the heating element and temperature sensor.

Heating elementCheck that the part matches your exact model number (usually on a sticker inside the door or on the back).Find the part
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Questions people ask

What does C6 mean on a GE dishwasher?

C6 on a GE dishwasher means: incoming water too cold. The water reaching the dishwasher is not hot enough for proper cleaning.

How do I fix GE dishwasher error C6?

Run the kitchen faucet until the water is hot before starting the dishwasher. Set your water heater to at least 120°F (49°C). Avoid running the washing machine or showers at the same time as the dishwasher. Restart the cycle.

When should I call a repair technician?

If water is hot at the faucet and the code continues, a technician should test the heating element and temperature sensor.

Related dishwasher codes

Source: GE official support · Reviewed 2026-10-01