Dishwasher repair guides for leaks, drainage failures, error codes, and cleaning issues. Covers Bosch, KitchenAid, Samsung, and Whirlpool models.
Dishwasher problems fall into a handful of categories — poor cleaning, standing water at the bottom, leaks onto the kitchen floor, and error codes that lock out the control panel — but the underlying causes vary wildly between brands. A Bosch that won't drain usually has a clogged fine-mesh filter (owner-serviceable in five minutes), while a Samsung with the same symptom often has a failed drain pump motor that requires disassembly. Our guides map symptoms to causes by brand and model series so you skip the generic advice that wastes your time.
Water inlet valve failures are the number-one undiagnosed dishwasher issue we encounter in the field. Homeowners assume poor cleaning means they need more detergent or a new spray arm, when the real problem is low water fill caused by a partially stuck valve or clogged inlet screen. We show you how to measure fill volume and compare it against the 1.5-2.0 gallon target for a standard wash cycle.
Sacramento's hard water accelerates mineral buildup on spray arms and heating elements. Our maintenance guides include a rinse-aid strategy calibrated to local water hardness, plus a quarterly deep-clean procedure that prevents the white film and etching that ruin glassware over time.
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Measured by the distance between first and second place, these records could not differ more: KitchenAid's control board takes 62% of 360 filings against wiring's 15%, while LG's top two sit at 30% and 28% of 47. CPSC SaferProducts shares, not failure rates.
Two records that disagree by 37 points on the control board and 19 on the heating element agree almost exactly on a third substantial row: wiring or the power cord, at 15% of 360 KitchenAid filings against 13% of 228 Maytag ones.
Both records lead with the control board — 62% of 360 KitchenAid filings, 49% of 137 Whirlpool ones — and differ on what comes second: wiring at 15% for KitchenAid, the heating element at 9% for Whirlpool. CPSC SaferProducts shares, not failure rates.
Neither of these records concentrates: LG's 47 dishwasher filings split across the board at 30%, wiring at 28% and the motor at 15%, while Maytag's 228 split across the board at 25%, the heating element at 23% and wiring at 13%.
The same component is prominent in both records and dominant in only one: the control board takes 49% of the 137 Whirlpool dishwasher filings and 30% of LG's 47, where wiring at 28% sits almost level with it. CPSC SaferProducts shares.
No component is unique to either record — the difference is entirely one of weight. The control board takes 49% of the 137 Whirlpool dishwasher filings against 25% of Maytag's 228, while the heating element takes 23% against 9%.
What 303 CPSC SaferProducts incident reports for Bosch dishwashers (2011-2026) name, plus one recall notice on record. Wiring or the power cord appears in 29% of narratives and the control board in 28%. Shares of reports, not failure rates.
What 103 CPSC SaferProducts incident reports for Frigidaire dishwashers (2011-2026) name. The heating element appears in 45% of narratives, the control board in 19%. Shares of reports filed, not failure rates.
What 433 CPSC SaferProducts incident reports for GE dishwashers (2011-2026) name, plus six recall notices on record. The heating element appears in 33% of narratives, the control board in 17%. Shares of reports, not failure rates.
What 461 CPSC SaferProducts incident reports for Kenmore dishwashers (2011-2025) name, plus one recall notice on record. The control board appears in 53% of narratives — more than every other tracked part combined. Shares of reports, not failure rates.
What 360 CPSC SaferProducts incident reports for KitchenAid dishwashers (2011-2026) name. The control board appears in 62% of narratives and wiring or the power cord in 15%. Shares of reports filed, not failure rates.
What 228 CPSC SaferProducts incident reports for Maytag dishwashers (2011-2026) name, plus three recall notices on record. The control board appears in 25% of narratives and the heating element in 23%. Shares of reports, not failure rates.
What 137 CPSC SaferProducts incident reports for Whirlpool dishwashers (2011-2026) name, plus four recall notices on record. The control board appears in 49% of narratives. Shares of reports, not failure rates.

Disassembly guide for a KitchenAid dishwasher: the Torx T20 and quarter-inch hex work the door and toe grille actually need, why the breaker is the only isolation on a direct-wired unit, and where the job stops.

All five documented Bosch and Gaggenau dishwasher error codes, what each one means, how serious it is, and why none of them is a homeowner fix.

All six documented Hisense dishwasher error codes, the one a homeowner can clear, and the anti-flood code that means stop running the machine.

How a Frigidaire dishwasher comes apart: the three drive types on one cabinet, why this is the only brand here whose tool list includes a multimeter, and where access work stops and diagnosis begins.

How a GE dishwasher comes apart: a three-tool teardown, what the missing star drive, prying tool and meter each tell you about the cabinet, and the isolation limits that follow from them.

How a Maytag dishwasher comes apart: the trim tool that defines this brand’s list, why a clipped panel and a screwed panel fail in opposite ways, and how to re-seat clips so a panel does not work loose.

What a detergent dispenser replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a diverter valve replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a door spring replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a drain hose replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

A heating element runs $130-$250 fitted — on the machines that have one. Look in the bottom of your tub first, because condensation-drying models dry with rinse aid and nothing else.

What a tub gasket replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a turbidity sensor replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a vent fan replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a wash motor / pump replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

What a water inlet valve replacement really runs, the signs it is failing, and the age at which a new dishwasher becomes the smarter buy.

Beko dishwasher showing E02 with greasy dishes? The in-pump heater has failed. Learn why there is no visible element, the parts, and the E02 repair cost.