How to Fix Kenmore Dishwasher Error 9-4

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⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: 9-4 Difficulty: Moderate

Problem: Lower spray arm error

How to Fix 9-4 Error

Disconnect power to the dishwasher.
This error points to a problem with a motorized lower spray arm. Access the sump area by removing the lower rack and filter assembly.
Check the wiring to the lower spray arm motor for any loose or damaged connections.
If the wiring is good, the motor itself has likely failed.
The motor is part of the sump assembly and will need to be uninstalled and replaced.
Reassemble the sump and restore power.

OEM Part #: Part number varies by model (Lower Spray Arm Motor)

Estimated Market Price: N/A

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

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Browse all Kenmore error codes: Kenmore Error Codes