GE Dishwasher Fault Codes: Fixing the C1 Drain Error

Quick Answer

A C1 code on your GE dishwasher means the machine is struggling to drain within the allotted time. Usually, this is just a backup in your kitchen sink's air gap or a kinked drain hose under the counter. Clear any debris from your garbage disposal or air gap to resolve it.

Drain codes are probably 40% of my GE service calls. Most homeowners assume the pump's shot, but honestly, 7 out of 10 times it's just a blocked air gap or something stuck in the sump filter. Ignore this one too long and you'll end up with water seeping under the unit and warping your cabinet floor. Start with the cheap stuff first.

GeDishwasherSeverity: moderate92% DIY Success

Time to Fix

20–60 min

Difficulty

beginner

Parts Cost

$45 – $85

Tools Needed

Phillips #2 screwdriver, Nut driver (1/4 inch)

What Does the C1 Code Mean?

C1 is one of the most common codes I pull up on GE dishwashers, and it's usually a $0 fix. Your machine has a timer built into the drain cycle, and if the water's not gone within about 3 to 5 minutes, it throws C1 and stops. Most of the time it's a plumbing problem, not a mechanical one. But if you do end up needing a drain pump, they're around $40 to $70 for most of these models.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Clogged air gap or garbage disposal knockout45%

Debris in pump or check valve25%

Kinked or restricted drain hose15%

Drain pump motor failure10%

Control board error5%

Symptoms You May Notice

Standing water sitting in the bottom of the tub when you open the door after the cycle finishes, sometimes an inch or more deep.
The machine beeps and stops mid-cycle with C1 or FTD on the display, usually right at the drain phase near the end.
You can hear the pump humming and running but the water level in the tub just isn't dropping.
Gurgling or bubbling sounds coming up through your sink drain whenever the dishwasher tries to pump out.
Cycles run way longer than normal and eventually just quit without finishing.

Can you reset a Ge dishwasher to clear the C1 code?

To clear the code and attempt a drain, press and hold the 'Start/Reset' button for 3 seconds. The dishwasher will begin a 60-second pump-out cycle. If the water clears, the code will reset. If water remains, the code will return.

Tools Required for Diagnosis

Phillips #2 screwdriverNut driver (1/4 inch)MultimeterNeedle nose pliersFlashlightStiff-bristle bottle brushZip tie or small hose clampBucket and old towels

Service / Diagnostic Mode

Press and hold the 'Select Cycle' and 'Start' buttons simultaneously for 5 seconds.

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

ComponentComponent Under Test

Expected Range15–45 ohms

ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Drain Pump AssemblyWD19X24829 · $45–$85	WD19X24829	$45 – $85

Frequently Asked Questions

Why does my GE dishwasher beep every 60 seconds?

That's almost always a fault notification. If you've got C1 or FTD on the screen, it's beeping because water's still sitting in the tub and it's not going to just silently give up on you. It can also happen if the door latch didn't fully click when you closed it, and the machine thinks the door popped open mid-cycle. Check the display for a code, check the latch, and go from there. Usually it's the drain thing.

How do I reset a GE dishwasher fault code?

Press and hold the Start/Reset button for three seconds. That kicks off a one-minute drain cycle where it tries to pump out whatever's still in the tub. If the drain path is clear, it'll work and the code goes away. If the underlying problem is still there, like a clog or a dead pump, the code comes right back the next time it tries to drain. So the reset basically tells you whether you actually fixed it or not. Pretty useful diagnostic tool on its own.

What if my dishwasher shows 'FTD' instead of 'C1'?

Same error, different label. FTD stands for Failure to Drain and it's exactly the same thing as C1, just displayed on newer GE models with full LCD screens instead of the older segment displays. Same causes, same diagnostic steps, same fixes. Check the air gap, run the disposal, look at the drain hose, clean the sump filter, then test the pump if none of that does it. Don't let the different text on the screen throw you off.

Can a clogged garbage disposal cause a GE dishwasher fault code?

Yes, and it's probably the most common external cause I see on drain calls. The dishwasher drains directly into the disposal, so if it's backed up or you've got a new disposal with the knockout plug still in the inlet, the water has nowhere to go and C1 fires almost immediately. Run the disposal for 30 seconds and see if that clears it. If you just installed a new disposal, pull the hose and check that knockout plug first before you do anything else.

How much does it cost to replace a GE dishwasher drain pump?

The pump itself usually runs $40 to $70 depending on your model. Part numbers WD26X10013 and WD26X23459 cover a lot of the common GE units on the affected models list. If you're doing it yourself it's honestly pretty manageable, maybe an hour of work once the dishwasher is pulled out and tipped over. If you're calling a tech, budget around $100 to $150 in labor on top of the part cost. So total for a professional repair you're usually looking at $150 to $220.

Related Ge Dishwasher Error Codes

Code: C2GE Dishwasher C2 Error: Drain Problem Code: 999GE Dishwasher 999 Error: Communication Failure

Models Known to Experience C1 Errors

This repair applies to most Ge dishwashers with this error code. Common model numbers include:

GDT665SSNSS, GDF510PSRSS, GDT645SYNFS, PDT715SYNFS, GDT548SMDES, GDF630PSMSS, GDT630PYMFS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 16, 2026