E01Bosch Dishwasher — Bosch Dishwasher E01 Error Code
Control board or power module failure
Severity
Critical
Difficulty
Advanced
Est. Cost
What's Happening
The dishwasher's main control board or power module has failed. This is a serious electronic failure that prevents normal operation. Power surges and electrical spikes are common causes.
How to Fix It
Reset power at the breaker for 30 seconds. If E01 returns, the main control board needs professional diagnosis and likely replacement. This is one of the most serious Bosch error codes.
Frequently Asked Questions
What does E01 mean on a Bosch dishwasher?
E01 indicates a control board or power module failure. The dishwasher's main electronics have malfunctioned.
Is E01 expensive to fix on a Bosch dishwasher?
Control board replacement typically costs $200–$400 including parts and labor. On older models, compare this to the cost of a new dishwasher.
Can a power surge cause a Bosch dishwasher E01 error?
Yes. Power surges are a common cause of control board failures. Using a surge protector on the dishwasher circuit can prevent this.