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Bosch Dishwasher Error Codes

8 error codes with causes and step-by-step fixes

Your Bosch dishwasher uses 8 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around drainage (3), heating (2), leak (1). Of these, about 8 can usually be cleared at home without a technician, while 5 point to more serious faults that may warrant a professional. Typical repair costs on this appliance run from $0 for simple DIY fixes up to $480 for professional component replacement.

Find your code in the table below for its exact meaning, the most likely causes ranked by how often they're the culprit, a step-by-step fix, the parts you may need, and a clear call on when it's worth phoning a repair pro.

🔍 How to Enter Diagnostic Mode 🔄 How to Reset & Clear Codes

Code	Meaning	Severity	DIY	Est. Cost
E15	Leak protection activated — water detected in base tray	⚠ High Severity	moderate	$0–$100
E24	Drain blocked — dishwasher not draining	⚠ High Severity	moderate	$0–$60
E25	Drain pump or filter blocked — drain impeller obstructed	⚠ High Severity	moderate	$0–$130
E01	Heating element or NTC sensor failure — water not heating	⚠ High Severity	moderate	$15–$90
E09	Heating circuit failure — heater not functioning	⚠ High Severity	hard	$0–$350
E05	Water shortage — insufficient water entering dishwasher	⚠ Medium Severity	easy	$0–$80
E22	Residual water in the sump — filter or impeller area blocked	⚠ Medium Severity	easy	$0–$15
E04	Water flow sensor fault — fill volume not being measured	⚠ Medium Severity	moderate	$0–$40