Bosch Dishwasher Error Codes — Complete List

Bosch dishwashers use E-codes — E15, E24, E25 — and the brand is notable for how owner-serviceable some faults are: the drain pump cover opens from inside the tub, and the famous E15 leak-protection code often clears itself once the base pan dries. Every code below is verified, with the safe checks ranked before any parts talk.

• E15 Water reached the base pan under the tub and Bosch's leak protection locked the machine — sometimes a genuine leak, often a one-off spill or condensation that clears once the base dries.
• E24 The dishwasher can't drain properly — start with the filter, then the drain hose path, and don't skip checking that the drain pump cover is seated.
• E25 The drain pump itself is blocked or its cover is loose — and Bosch makes the pump cover owner-accessible, so this is one of the most fixable codes the brand throws.
• E09 The heating system isn't raising the water temperature — beyond one reset, the flow-through heater is a mains-voltage part that belongs to a technician.
• E14 The flow meter that counts water into the machine stopped making sense, so filling can't be trusted — a reset and supply check first, then it's a sensor-level repair.
• E17 Water is rushing in faster than the fill system expects — household pressure at the high end or an inlet valve not throttling properly are the leading explanations.

Don't see your code?

Bosch reuses this code system across Bosch, and closely related Siemens and Neff machines, but model generations differ in detail. The E-number list in your manual (model number on the door edge) is the authoritative version for your unit.