E25 Serious Moderate DIY

Bosch Dishwasher E25 — Drain pump blocked

Bosch Dishwasher · Error code E25

What E25 Means

The drain pump impeller cannot turn or the discharge path is blocked. The control sees no flow during the drain phase.

Most Likely Fix

Drain pump blocked or failed

PartDrain pump
Typical cost$40-90
Difficultymoderate
Time60 min

Tools: screwdriver, pliers, towel

Diagnose first: Remove filter and check impeller for glass/seeds before condemning the pump.

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Symptoms

  • Standing water at end of cycle
  • Buzzing or humming from base
  • Drain pump runs but no water leaves

Common Causes

1
Object jamming drain impeller

Glass shard, fruit pit, or screw stuck in the impeller.

2
Drain hose clogged or kinked

Grease or debris blocking the line.

3
Clogged sink disposer

Disposer not run after install / KO plug still in place.

4
Failed drain pump

Motor seized or windings open.

How to Fix It

  1. Power off at the breaker.
  2. Remove the bottom filter assembly and sponge out remaining water.
  3. Pop the drain pump cover (twist-off cap inside sump) and inspect/clear the impeller.
  4. Confirm the impeller spins freely by hand.
  5. Verify the garbage disposer knock-out plug was removed during install if drained through disposer.
  6. If the impeller is fine but pump won't run, replace the drain pump.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

More Bosch Dishwasher Codes

All Bosch codes → All dishwasher codes →

Verified against manufacturer documentation: bosch-home.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.