GE Dishwasher CFE Error Code: Communication Fault Fix

Quick Answer

The GE dishwasher CFE error means the main control board and the UI board have lost communication. This can result from a loose ribbon cable or connector between the two boards, a failed UI board, or a failed main control board. Start by checking the ribbon cable connection at both ends before replacing any boards.

I've seen CFE pop up after a heavy steam cycle or a power surge way more times than I can count. This communication failure basically cuts the signal between your UI and main control board, so the machine just sits there doing nothing. Ignore it long enough and you might trash a board that was actually fine. Check the wiring first. Seriously, start there before you spend a dime on parts.

GeDishwasherSeverity: highDifficulty: advanced78% DIY Success

Time to Fix

45–120 min

Difficulty

advanced

Parts Cost

$80 – $260

Tools Needed

Torx T20 screwdriver, Flathead screwdriver for prying connectors

What Does the CFE Code Mean?

Think of CFE as a broken telephone line between your dishwasher's two brains. One lives in the door, one's tucked down at the bottom, and they've stopped talking. I've seen years of door slamming and high-heat drying cycles just wiggle that ribbon cable loose. It's honestly one of the few codes where unplugging and reseating a wire can save you a $200 repair bill.

Most Likely Causes

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

Ribbon cable or wire harness between boards loose or damaged40%

UI board failed after power surge or age24%

Connector corrosion at either board end22%

Main control board failed and cannot initiate communication14%

Symptoms You May Notice

CFE flashing on the control panel and the whole machine just sits there, won't start a cycle no matter what buttons you push.
Buttons light up or beep when you touch them but nothing actually happens, like the machine hears you but can't follow through on any commands.
Cycle starts fine, runs for maybe 10-15 minutes, then just dies mid-wash with CFE on the display and water sitting in the bottom.
Control panel goes completely dark intermittently, comes back on its own, usually gets worse after the door's been opened and shut a few times in a row.
Random buttons stop responding, then start working again, classic sign of a flaky ribbon cable connection before it fails for good.

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

Head to your breaker panel and flip the dishwasher circuit off for at least a full minute. Don't rush it, the capacitors on both boards need time to discharge and clear any ghost communication errors. Flip it back on, wait 30 seconds, then try starting a cycle. If CFE comes right back the moment you power up, you're dealing with a hardware failure. The reset won't fix a dead board, but it'll clear a code that got stuck after a power blip.

Tools Required for Diagnosis

Torx T20 screwdriverFlathead screwdriver for prying connectorsNon-contact voltage testerElectrical contact cleaner sprayNeedle-nose pliers for stubborn connectorsSmartphone for photographing connector positions before disassembly

Diagnostic Checklist

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

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
UI Control BoardWR55X24055 · $80–$150	WR55X24055	$80 – $150
Main Control BoardWR55X22460 · $140–$260	WR55X22460	$140 – $260

Frequently Asked Questions

Is CFE the same as 888 on a GE dishwasher?

Not quite. Both involve the computer system but they're different problems. 888 usually means the main board had a total meltdown, like a brain freeze from a power surge, and I typically go straight to replacing that board. CFE is more like a severed nerve between two boards that might both be totally fine on their own. Always check the harness first for CFE before you spend money on anything.

Which board do I replace first for a CFE code?

Start with the UI board in the door. It's exposed to way more heat and moisture than the main board tucked under the tub, which makes it the weaker link every time. It's also cheaper, usually $80-150, and easier to swap. One thing though: when your new UI board shows up, check the instruction sheet for personality jumper settings. Those tiny plastic pins have to be set to match your specific model number or the two boards still won't talk to each other and you'll still have CFE staring back at you.

Can I still run my dishwasher with a CFE code showing?

Nope. CFE basically means the machine's two brains aren't communicating, so it'll refuse to start a cycle period. It's not like a maintenance reminder you can push through. The dishwasher's dead until you fix the communication problem. Good news is if it's just a loose cable you're looking at a free 20-minute fix. Don't let it sit too long though because if there's moisture in there it's actively making the corrosion problem worse.

How much does a CFE repair cost on a GE dishwasher?

If it's just a loose ribbon cable, it's free. Just your time, maybe 30 minutes. A new UI board runs $80-150 for most GE models and that's the fix you'll probably need about 70% of the time. Main control board is $150-250 and hopefully you won't need it. If you're calling a tech out, add $100-150 in labor. On an older machine where both boards need replacing, do the math on whether it makes more sense to just replace the dishwasher.

What's the UI board part number for common GE dishwasher models?

The WD21X24891 fits a good chunk of the GDT and CDT series machines. PDT715 and ZDT series use different boards so don't just order by photo because those boards can look nearly identical but have completely different firmware. Always cross-reference your full model number on an appliance parts site before ordering. The model number sticker is on the left side of the door frame, visible when you open the door.

My CFE code comes and goes. Is that better or worse than a constant code?

Honestly an intermittent CFE is sometimes harder to diagnose than a permanent one. It usually means you've got a flaky connector or a ribbon cable that's right on the edge of failing, making contact sometimes and not others. Heat makes it worse, which is why you'll often see it disappear after the machine cools down and come back mid-cycle when things warm up. Don't ignore an intermittent CFE. It almost always gets worse and eventually stays on permanently.

Related Ge Dishwasher Error Codes

Code: 888GE Dishwasher 888 Error Code: Control Board Fault

Same Fix Works on These Brands

Ge shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience CFE Errors

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

GDT665SSNSS, GDT645SSNSS, PDT715SYNFS, CDT845SSJSS, ZDT800SNJSS, GDT550PGRWW, CDT835SSJSS, GDT695SSJSS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026