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GE Dishwasher C8 Error Code

Detergent cup blocked. What it means, which models show it, and how to clear it, easiest fix first.

GEAll GE dishwasher codes

C8
Easy DIY fix

The detergent cup could not open fully. A tall pan, utensil or pot handle touching the cup is the usual cause; dried detergent or a misplaced pod can also jam it.

Compatible models

GE doesn't publish a model list for this code; it appears on GE dishwashers with a digital display. Check your owner's manual.

Also shown as

GE notes that not every code appears on every model; check your owner's manual.

Difficulty

Most people can clear this one at home with simple checks.

Safety first: unplug the dishwasher (or switch off its breaker) before touching filters, hoses or panels. If you smell burning or gas, or see water near the outlet, stop and call a professional.

How to fix GE C8

  1. Remove the obstruction

    Move any dish, pan or utensil that touches the detergent cup. Close and latch the door and wait 30 seconds.

  2. Clean the cup

    Wipe old detergent residue out of the cup and off its lid. Seat pods or tablets fully in the cup, and use fresh, loose powder if you use powder.

When to call a technician

If the cup still won't open with nothing blocking it, schedule service.

Parts linked to C8

These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.

Order parts by your full model number so they fit.

Frequently asked questions

What does C8 mean on a GE dishwasher?

The detergent cup could not open fully. A tall pan, utensil or pot handle touching the cup is the usual cause; dried detergent or a misplaced pod can also jam it.

Which GE models show the C8 code?

GE doesn't publish a model list for this code; it appears on GE dishwashers with a digital display. Check your owner's manual.

Can I fix GE C8 myself?

Usually, yes. Most C8 problems clear with simple checks you can do at home. Start with the first step above: remove the obstruction.

What if C8 keeps coming back?

A code that returns after a reset and the checks above usually means a part is wearing out. Note when C8 appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.

Other GE dishwasher codes

Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.

Sources we checked