Jenn-Air JDTSS244GP 24 in Top Control Built-In Dishwasher with 42 dBA, Third Rack, and Sensor Wash MECH-04 Error Fix: Dish Rack Wheels / Rollers Broken

Error code MECH-04 on the Jenn-Air JDTSS244GP 24 in Top Control Built-In Dishwasher with 42 dBA, Third Rack, and Sensor Wash means: Dish Rack Wheels / Rollers Broken. The dish rack wheels or roller assemblies have cracked, broken, or fallen off — causing the rack to tilt, jam, or not slide in and out smoothly; replace the rack adjuster/roller assembly; Jenn-Air dishwashers use Whirlpool-pattern rack adjusters that are widely available; upper rack adjusters often have a height-adjustment feature — ensure the replacement adjuster is the correct type for the rack position

The most successful fix is "Replace Broken Dish Rack Wheels / Rollers" (medium difficulty, ~30 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Broken Dish Rack Wheels / Rollers") is rated medium difficulty and takes about 30 minutes. Tools needed: Flathead screwdriver, Phillips screwdriver.

DIY cost: $20-$30. Professional repair typically costs $140-$200. Many homeowners save money by trying the top-ranked community fix first.

The Jenn-Air JDTSS244GP 24 in Top Control Built-In Dishwasher with 42 dBA, Third Rack, and Sensor Wash has 8 other known error codes, including: F1E1 (Temperature Sensor Failure), F1E2 (Temperature Sensor Shorted), F2E1 (Stuck Button / User Interface Error), F2E2 (User Interface Board Failure), F3E1 (Wash Pump Motor Not Running), and 3 more.

Error code MECH-04 also appears on 9 other Jenn-Air models: JB36NXFXLE 36 in Built-In French Door Refrigerator with Preserva Food Care, JDB9200CWS 24 in TriFecta Dishwasher with 44 dBA, Steam Clean, and WiFi Connectivity, JFFCC72EFS French Door 22.1 cu ft French Door Refrigerator with Turbo Cool and LED Lighting, JGRP536HL 36 in Pro-Style Gas Range with 5.8 cu ft Convection Oven, JGS1450DS Slide-In Gas Range, JGS1450FS Gas Range 30 in 5.0 cu ft 18,000 BTU Gas Range with Even-Heat True Convection, and 3 more. The fix may vary by model, so check each model's specific page for tailored repair steps.