Bosch Dishwasher E09 Error Code
- Turn off the dishwasher at the breaker for at least 30 seconds, then restore power.
- Run a hot cycle to see if E09 returns.
- Check whether dishes are coming out cold and still dirty (confirms heating failure).
- E09 returns after a power reset.
- Dishes come out cold on any cycle.
- You see any burn marks or smell burning near the dishwasher.
Can you reset it?
Yes, with conditions. A power reset (breaker off for 30 seconds) may clear a transient fault. If E09 returns on the next cycle, the heating element or control board likely needs replacement.
Safe checks before calling a technician
- Turn off the dishwasher at the breaker for at least 30 seconds, then restore power.
- Run a hot cycle to see if E09 returns.
- Check whether dishes are coming out cold and still dirty (confirms heating failure).
- If you use a water softener salt compartment, check that the salt sensor area is clean — a dirty salt sensor can sometimes send incorrect signals that trigger E09.
Common causes
- Burnt-out heating element
- Control board not supplying power to the heater
- Faulty solder joint on heater relay (control board)
- Dirty or faulty salt sensor sending incorrect signals
When to call a technician
- E09 returns after a power reset.
- Dishes come out cold on any cycle.
- You see any burn marks or smell burning near the dishwasher.
- The heating element, control board, or any electrical component needs testing or replacement.
Related Bosch dishwasher codes
Source confidence
Official Bosch snippet confirms E09 as heating-related ('reset power to breaker for 30 seconds'). Detailed cause breakdown from secondary sources. Consistent across references.
- Bosch US official support: Dishwasher Error Codes (E09 listed) Bosch Home Appliances
FAQ
What does Bosch dishwasher E09 mean?
E09 means the dishwasher's heating element or heating circuit has a fault. The machine cannot heat water properly.
Can I still use the dishwasher with E09?
The dishwasher may run but will not heat water, resulting in poor wash and dry performance. A technician should diagnose and repair before continued use.
How much does it cost to fix Bosch dishwasher E09?
Heating element replacement typically ranges from $150-$350 including labor, depending on the model. Control board replacement costs more.
This page is for error-code triage, not repair. Always consult your owner's manual and a qualified technician for repairs. Read our safety disclaimer.