Bosch Dishwasher Error Code E33

E33 on a Bosch dishwasher indicates an error with the ice chute flap motor or switch. The dishwasher has detected a problem in the circuit that controls the motorized ice chute flap assembly. The fault could originate from a wiring connection issue, a failed ICF unit, a faulty IM power module, or a failed IM Control electronic board. A proper diagnosis requires checking connections and measuring output voltage at the IM power module.

The E33 code relates specifically to the ice chute flap circuit and typically does not indicate a water leak or immediate safety hazard. However, running the appliance with an active fault code can sometimes mask additional developing issues. It is best to address the error before continuing regular use.

A reset may temporarily clear the E33 code from the display, but it will not resolve the underlying hardware fault. If the ice chute flap motor, switch, wiring connection, or a control board component has failed, the code will return once the dishwasher attempts to operate that circuit again. A proper repair of the root cause is needed to permanently clear the error.

Checking and reseating the wiring connector at the ice chute flap assembly is something a confident DIYer can attempt. However, measuring output voltage at the IM power module and replacing control electronic components requires comfort with electrical testing and working safely around appliance wiring. If you are not experienced with this type of work, a qualified technician is the safer option.

Repair costs depend on which component is at fault. A wiring repair may cost relatively little, while replacing the ICF assembly, IM power module, or IM Control electronic board will add parts costs on top of labor. Depending on the failed component and your location, total repair costs can range from around $100 to $400 or more. Getting a diagnostic quote from a technician before authorizing repairs is a good approach.