KitchenAid KDTE204KPS 39 dBA Top Control Dishwasher with Third Level Utensil Rack MUSTY ODOR Error Fix: Musty Odor Inside Dishwasher

Error code MUSTY ODOR on the KitchenAid KDTE204KPS 39 dBA Top Control Dishwasher with Third Level Utensil Rack means: Musty Odor Inside Dishwasher. The dishwasher interior develops a musty or sour smell. Food particles accumulating in the fine mesh filter, sump area, and spray arm channels decompose and produce odor. Remove and clean the filter assembly monthly. Run an empty hot cycle with dishwasher cleaner or a cup of white vinegar. Leave the door slightly ajar between uses.

The most successful fix is "Deep Clean Spray Arms and Replace Filter Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Deep Clean Spray Arms and Replace Filter Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Toothpick or thin wire, Soft brush.

DIY cost: $15-$25. Professional repair typically costs $100-$160. Many homeowners save money by trying the top-ranked community fix first.

The KitchenAid KDTE204KPS 39 dBA Top Control Dishwasher with Third Level Utensil Rack has 8 other known error codes, including: DISPENSER STUCK (Detergent Dispenser Not Opening), DOOR GASKET LEAK (Door Gasket Leaking), F1E1 (Control Board Stuck Key), F1E2 (Control Board Memory Error), F2E1 (User Interface Stuck Key), and 3 more.

Error code MUSTY ODOR also appears on 2 other KitchenAid models: KDFE104HPS 46 dBA Front Control Dishwasher with PrintShield Finish, KWTW4815EW 3.8 cu. ft. Top Load Washer with Removable Agitator. The fix may vary by model, so check each model's specific page for tailored repair steps.