Samsung Dishwasher Error Code bC3

The bC3 code signals a communication error between the Sub PBA and the touch button panel on your Samsung dishwasher. The integrated circuit link between these two components has failed or been interrupted. This is often caused by condensation on the board, a loose connector, or a damaged component in the control system.

You should not continue using the dishwasher while bC3 is active. The communication failure between the touch panel and Sub PBA means the unit may not respond reliably to control inputs. Running a cycle under these conditions could lead to unpredictable behavior, and if moisture on the board is the cause, operating the appliance risks further electrical damage.

Repair costs depend on what component is at fault. If condensation or a loose connector is the issue, the fix may cost little to nothing beyond your time. Replacing a touch button panel typically runs in the range of $50 to $150 for parts, while a Sub PBA replacement can cost $80 to $200 or more for the part alone. Adding a professional technician's labor will increase the total cost.

Some bC3 errors can be resolved without professional help, particularly if condensation is the cause. Power off the dishwasher, allow it to dry thoroughly, and inspect the Sub PBA and its connectors for moisture or loose connections before restarting. If the error persists after drying and reseating connectors, a faulty touch panel or Sub PBA may need to be replaced, which is more involved but still manageable for a confident DIYer.

A reset may temporarily clear the bC3 code, but if the underlying cause such as condensation, a loose connector, or a failed component is not addressed, the error will return. Power cycling the unit by unplugging it for a few minutes is worth trying, but a lasting fix requires diagnosing and correcting the root cause of the communication fault.