KitchenAid KDTM404KPS Repair Guide
KitchenAid’s premium dishwasher (Whirlpool built) with the FreeFlex third rack and bottle wash jets. A machine worth repairing at almost any age, its parts cross to Whirlpool numbers at non premium prices.
KitchenAid KDTM404KPS is a dishwasher, freeflex third rack dishwasher sold 2020 to present. Its most common repair is standing water, usually $0 to $300.
- 4 common problems with causes, fixes and costs below.
- 4 error codes decoded.
- A dishwasher like this lasts about 9 to 12 years.
- Check the model and serial tag before you order any part.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Standing water | Filter or drain pump | Clean. Replace pump | not listed | $0 to $300 |
| 8-1 / 8-2 blink codes | Slow drain / drain motor electrical | Clear path. Replace pump | not listed | $100 to $300 |
| Bottle jets weak | Manifold clog from hard water | Citric acid clean. Replace manifold | not listed | $0 to $220 |
| Won’t start | Door latch or control lock | Replace latch | not listed | $0 to $220 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| 8-1 / 8-2 | Drain faults |
| 6-1 / 6-2 | Fill faults |
| 10-2 | Wash arm/diverter fault |
| 1-1 / 1-2 | Board faults |
Tech notes
The x y blink codes read out through the cycle lights, count blinks, pause, count again. In Arizona hard water, the bottle wash manifold is the first thing scale attacks. Monthly citric acid keeps it alive.
Cost guides for this machine’s common repairs
DIY step by step instructions for this model
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