GE GDT665SSNSS Repair Guide
A high-volume GE built-in with a third rack and the Dry Boost feature, which adds a heated final phase to improve drying. Widely installed in new builds and a common sight on service calls.
Common problems & typical repair costs
| Problem | Likely cause | Typical fix | OEM part # | Typical cost |
|---|---|---|---|---|
| Standing water after the cycle | Drain pump or blocked drain hose high loop | Clear the drain path; replace pump if failed | — | $150–$320 |
| Dishes wet at the end | Rinse aid empty or Dry Boost not selected | Refill rinse aid; verify settings before any repair | — | $0–$250 |
| Poor wash results | Filter clogged or spray arm jets blocked | Clean filter and arms | — | $0–$180 |
| Will not fill | Inlet valve failure or scaled screen | Clean screen; replace valve | — | $130–$300 |
| Control panel unresponsive | Touch panel or board failure | Replace panel or control board | — | $180–$400 |
Costs are national averages for professional repair (parts + labor). See the linked cost guides below for full breakdowns.
Error codes
| Code | What it means |
|---|---|
| Flashing lights | GE reports faults through blink patterns — count the flashes against the service chart |
| LEAK | Leak detection activated |
| H2O | Fill fault |
Tech notes
Rinse aid is not optional on modern dishwashers, and its absence is behind an enormous share of "not drying" complaints. Check the dispenser before quoting anything — it is free, and it resolves the call more often than any part.
Cost guides for this machine’s common repairs
DIY step-by-step instructions for this model
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