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Bosch Dishwasher Error Codes Decoded

Bosch dishwashers show E-codes for water, drain, and heating faults. Here is what each points to.

By Priya Raman3 min read read

Written by Wade Holbrook, Lead Technician — True Fix Dallas. Factory-trained, EPA-certified, 9 years servicing Dallas–Fort Worth.

Bosch dishwashers are reliable, but when an E-code appears it points precisely to the subsystem at fault.

Water Supply & Drain

  • E15: Water in the base pan — anti-flood float tripped.
  • E24: Drain blockage — clean the filter and hose.
  • E22: Filter clogged.

Heating & Sensors

  • E09: Heating element fault.
  • E01–E02: Electronic/heating circuit fault.

What To Do First

Most E15/E24 faults are debris-related, not electronic.

Fix: Clean the filter, check the drain hose, and clear the base pan before calling out.

Not sure what's wrong? Book online — every visit includes a free diagnosis.

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