KitchenAid Dishwasher 6-4 error code
Dishwasher
KitchenAid dishwasher error code 6-4 means: Wash motor electrical problem — the wash pump motor is not running or communicating. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve 6-4.
Buy the replacement part
MPN: W10876537
$89.99
Safe to keep using?
Stop using
No immediate safety hazard detected, but monitor during use.
- • Unplug the appliance before inspection.
- • Turn off the water supply before disconnecting hoses.
- • Do not continue using the appliance until the cause is identified.
4 product recalls may apply
Brand-level matches — verify your model.
Show
4 product recalls may apply
Brand-level matches — verify your model.
- Notice
CPSC, Whirlpool Corporation Announce Recall of Dishwashers
Feb 2005 · Confirm your model
- Notice
Dishwasher Recalled by Whirlpool
May 1996 · Confirm your model
- Notice
Whirlpool Will Retrofit Below-Counter Dishwashers
Jul 1989 · Confirm your model
- Notice
Dishwasher Model Number Correction for Whirlpool Modification
Aug 1988 · Confirm your model
Likely causes
Food debris starves the wash motor and trips the 6-4 code.
Check: Remove the lower rack and clean the filter and sump.
Est. cost: $0–$0
Glass or bone fragments lock the impeller.
Check: With power off, confirm the impeller spins freely.
Est. cost: $70–$110 · DIY ~6/10
Part: Dishwasher Circulation Pump (MPN W10876537)
The motor windings or control circuit fail after years of use.
Check: If the impeller is free and 6-4 returns after a reset, the motor likely needs replacement.
Est. cost: $90–$160 · DIY ~8/10
What it means
Wash motor electrical problem — the wash pump motor is not running or communicating.
How to fix it
- Unplug the dishwasher or turn off power at the breaker before inspecting any components.
- Reset KitchenAid 6-4: leave power off for 5 minutes, restore power, then restart. Confirm whether 6-4 returns.
- Check the most common cause for 6-4: Wash motor electrical problem — the wash pump motor is not running or communicating.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, the fix often requires a replacement part (see recommended parts below).
- Reassemble, restore power, and run a test cycle. If 6-4 returns, the faulty component likely needs replacement.
Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.
FAQ
What does 6-4 error code mean on a KitchenAid dishwasher?
Wash motor electrical problem — the wash pump motor is not running or communicating.
What does KitchenAid 6-4 mean?
Wash motor electrical problem — the wash pump motor is not running or communicating.
How do I reset KitchenAid dishwasher 6-4?
Unplug the dishwasher or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored 6-4 after a glitch, but the code will return if the underlying fault is still present.
What part do I need for KitchenAid 6-4?
Often yes — error 6-4 frequently points to a failed component. Check the recommended parts below for direct replacements.
Can I fix KitchenAid error 6-4 myself?
Many 6-4 errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.
Do I need a replacement part for 6-4?
Often yes — error 6-4 frequently points to a failed component. Check the recommended parts below for direct replacements.
KitchenAid 6-4 on specific models
Other KitchenAid Dishwasher codes
Prevent this problem next time
- Clean the dishwasher filter weekly
- Scrape plates before loading
- Run hot water at the sink before starting a cycle
Sources
Manufacturer meaning
Wash motor electrical problem — the wash pump motor is not running or communicating.
FixApplianceCode guidance
Clean the filter and check the wash pump for debris before replacing the motor.
Source type: Service documentation
Source: KitchenAid dishwasher service documentation
Last reviewed: 2026-08-23
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
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