Bosch Dishwasher (service chart) Error Codes: Full List & Meanings

Every Bosch dishwasher (service chart) error code in the Bosch dishwasher error-code chart, as published by Sears PartsDirect, with its meaning. Codes vary by model, so confirm in your owner's manual. Support: Bosch Customer Support: 1-800-944-2904.

Codes by system

Heating

All Bosch dishwasher (service chart) error codes

Codes marked "Reset only" or "Service" have no separate page because the manufacturer publishes no owner fix beyond a reset or a service call.

Code	Meaning	System	Owner action
E0	No fault codes are recorded.	Control / electronics	Service
E1	Heating problem. A service technician usually needs to diagnose and repair a heating failure because accessing the heater requires removing the dishwasher tub.	Heating	Owner checks
E2	Temperature sensor defective. A service technician usually needs to diagnose and repair a temperature sensor problem because accessing the sensor requires removing the dishwasher tub.	Heating	Service
E3	Not filling.	Water fill	Service
E4	Water switch defective. A service technician usually needs to diagnose and repair a water switch problem because accessing the sensor requires removing the dishwasher tub.	Sensors	Service
E5	Overfilled.	Leak protection	Reset only
E6	Aqua sensor defective. The aqua sensor detects how dirty the water in the dishwasher is. A service technician usually needs to diagnose and repair an aqua sensor problem because accessing the sensor requires removing the dishwasher tub.	Sensors	Service

Symptoms

Sources

Sears PartsDirect: Bosch dishwasher error-code chart (third-party copy of manufacturer service data)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Bosch.