Bosch 300 Series dishwasher leaking

The short answer

18 of 1,988 owner reviews we read describe a Bosch 300 Series dishwasher leaking. Of the 15 owners who said when it started, 6 said in the first month. The part they blame most is the control board (2 owners).

How many owners report it
18 of the 1,988 reviews we read
When it usually starts
First month (6 of the 15 who said)
Part owners blame most
Control board (2 owners)
Error code owners saw most
E15 (4 owners)

We read extra 1- and 2-star reviews for this series, so these numbers show what people complain about, not how likely the dishwasher is to break.

When it started

15 of the 18 owners say how long they had the dishwasher when the problem started.

How long owners had it when the problem started

As owners describe it. Owners who did not say are left out.

Show as a table
WhenOwners
Right out of the box3
First month6
1–6 months3
6–12 months1
1–2 years1
Over 2 years1

Parts owners blame

  • Control board 2
  • Water inlet valve 2
  • Leak sensor 2
  • Pump 2
  • Door seal 1
  • Rack 1
Parts named in the 18 reports. Many reports don't name a part.

What fixed it

1 owner describes a fix that worked, but no single fix is reported by 5 or more owners yet.

What happened after it broke

  • A technician came, still broken 4
  • Something else 1
  • A part was replaced 1

Error codes owners mention

  • E15 4

Related

Every problem reported on the 300 Series

Common questions

How common are leaks on the Bosch 300 Series?

18 of the 1,988 Bosch 300 Series owner reviews we read describe this problem. Our sample includes extra low-star reviews, so this shows how often it comes up in complaints, not a failure rate.

When do leaks usually begin on the Bosch 300 Series?

Of the 15 owners who say when it started: 3 right out of the box, 6 in the first month, 3 between one and six months in, 1 between six months and a year in, 1 in the second year and 1 after more than two years.

Which part is usually involved in leaks on the Bosch 300 Series?

The parts owners name most: control board (2), water inlet valve (2) and leak sensor (2). Many reports don't name a part.

What fixed leaks on the Bosch 300 Series for other owners?

No single fix has been reported working by 5 or more owners yet. 4 say a technician visit didn't fix it.

Which error code shows up with leaks on the Bosch 300 Series?

4 of these owners mention E15. Most describe the problem without quoting a code.