Bosch Dishwasher Error Codes

All Bosch dishwasher error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

43 error codes

Code	Meaning	Severity	Difficulty
5UC	Water supply insufficient or not detected at inlet valve; no flow reaching the dishwasher moderatebeginner	moderate	beginner
DIAG	n/a - guide for accessing the hidden diagnostic test program lowintermediate	low	intermediate
E01	Wash motor electrical fault or wiring issue detected by the main control board highadvanced	high	advanced
E02	Short circuit detected in wash motor circuit; safety shutdown triggered to prevent further damage criticaladvanced	critical	advanced
E05	Dishwasher did not reach required water level within the time limit; fill timeout moderatebeginner	moderate	beginner
E07	Water flow sensor turbine not detecting water movement during fill or wash phase moderateintermediate	moderate	intermediate
E09	Heating element or flow-through heater has failed; water not reaching target wash temperature highadvanced	high	advanced
E11	NTC thermistor reading out of expected range; open circuit or short detected in temperature sensor moderateintermediate	moderate	intermediate
E15	AquaStop system detected water in the base pan, triggering flood protection mode highintermediate	high	intermediate
E17	Water inlet valve not closing properly, causing overfill condition detected by pressure switch highintermediate	high	intermediate
E19	Fill valve solenoid not operating correctly or diverter valve not responding to control signal moderateintermediate	moderate	intermediate
E20	Wash motor not reaching expected RPM or not starting at all highadvanced	high	advanced
E21	Wash motor running below expected speed, possibly jammed by debris or worn bearings moderateintermediate	moderate	intermediate
E22	Water turbidity sensor malfunction or filter system clogged, preventing proper wash cycle monitoring moderatebeginner	moderate	beginner
E23	Drain pump motor malfunction, possibly seized or electrically failed moderateintermediate	moderate	intermediate
E24	Dishwasher cannot drain water; drain path is blocked or drain hose is kinked moderatebeginner	moderate	beginner
E25	Drain pump impeller blocked or pump cover not secured properly moderatebeginner	moderate	beginner
E31	Pressure switch or water level sensor providing incorrect or no readings to the control board moderateintermediate	moderate	intermediate
E61-03	Door lock actuator not engaging or not reporting back to control board after locking moderateintermediate	moderate	intermediate
E92	Communication failure between the main control board and the user interface board highadvanced	high	advanced
E92-10	Main control board cannot communicate with the user interface board specifically highadvanced	high	advanced
E92-40	Configuration data mismatch between boards, typically after a replacement board was not programmed for the specific model highadvanced	high	advanced
GUIDE	Guide for resolving a Bosch dishwasher that will not change from the Auto cycle setting lowbeginner	low	beginner
GUIDE	Product education guide for the Bosch Silence Plus dishwasher line covering features, common issues, and error codes specific to this series lowbeginner	low	beginner
GUIDE	Reference guide for all Bosch dishwasher control panel symbols and indicator icons lowbeginner	low	beginner
GUIDE	Comprehensive symptom-based troubleshooting guide for Bosch dishwasher problems lowbeginner	low	beginner
GUIDE	Step-by-step guide to starting a Bosch dishwasher across all control panel types lowbeginner	low	beginner
H01	Water temperature did not reach the target within the allotted time; heating timeout moderateintermediate	moderate	intermediate
HUB	Reference hub for all Bosch dishwasher error codes, organized by system with links to full repair guides lowbeginner	low	beginner
NOISE	Pump, Spray Arm, and Motor Diagnosis mediumintermediate	medium	intermediate
NOT-CLEANING	PrecisionWash, Spray Arms, and Filter Guide mediumintermediate	medium	intermediate
NOT-DRYING	Condensation Drying, CrystalDry, and Rinse Aid mediumintermediate	medium	intermediate
RESET	n/a (expanded topic) lowbeginner	low	beginner
SA NL	Dishwasher is in service mode diagnostic state or display has failed; SA NL stands for Service Appliance, No Light moderateintermediate	moderate	intermediate
SYMPTOM	Dishwasher has power but will not begin a wash cycle lowbeginner	low	beginner
SYMPTOM	Dishwasher shows no power - no lights, no display, no response to any button lowintermediate	low	intermediate
SYMPTOM	Dishwasher continues running, drain pump stays on, or cycle does not complete and stop lowintermediate	low	intermediate
SYMPTOM	Dishwasher stops during a wash cycle before completion; may or may not show error code lowintermediate	low	intermediate
SYMPTOM	No water entering the dishwasher tub during fill phase lowbeginner	low	beginner
SYMPTOM	Flashing indicator lights on Bosch dishwasher panels indicate error states or require user action lowbeginner	low	beginner
SYMPTOM	Symptom hub for all Bosch dishwasher drain problems with and without error codes lowbeginner	low	beginner
SYMPTOM	Control panel buttons not registering presses or responding incorrectly lowintermediate	low	intermediate
SYMPTOM	Reference guide for Bosch dishwasher beep patterns and how to silence or respond to each type lowbeginner	low	beginner