GE · Dishwasher
C2 Drain line totally blocked
What this code means
The dishwasher couldn't clear water even within its maximum allowed time — a full blockage.
Most likely causes
- Garbage disposal knockout plug never removed on a new install
- Fully clogged drain line or valve
What to try first
If you recently had a disposal installed, check that the dishwasher knockout plug was removed.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
FAQ
What does GE error code C2 mean?
Drain line totally blocked. The dishwasher couldn't clear water even within its maximum allowed time — a full blockage.
Can I fix GE code C2 myself?
Often, yes. If you recently had a disposal installed, check that the dishwasher knockout plug was removed.
What causes GE code C2?
The most common causes are: garbage disposal knockout plug never removed on a new install; fully clogged drain line or valve.
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.