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Bosch Washer E25 / F25 Error Code
Turbidity (water clarity) sensor fault. What it means, which models show it, and how to clear it, easiest fix first.
Bosch's US support lists this as a problem with the turbidity sensor, which checks how cloudy the wash water is so the washer can adjust rinsing. The sensor is an internal part.
Compatible models
Bosch doesn't publish a model list for this code; it appears on Bosch washers with a digital display. Check your owner's manual.
Also shown as
Meaning taken from Bosch's US support site. Bosch models sold in the UK and Europe may use E25 differently, so check your manual.
Difficulty
Try the basic checks, but the usual fix is a technician's job.
How to fix Bosch E25 / F25
Reset the washer
Turn the washer off and unplug it. If the floor around the outlet or cord is wet, switch off the washer's circuit breaker instead of touching the plug. Wait at least 30 seconds, plug it back in and try a new program.
Note the details
If the code persists, note your model number (E-Nr) from the label inside the door for the service call.
When to call a technician
Bosch directs owners to its support team for this code. A technician needs to test the sensor.
Parts linked to E25 / F25
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
- Turbidity sensor
Order parts by your full model number so they fit.
Frequently asked questions
What does E25 / F25 mean on a Bosch washer?
Bosch's US support lists this as a problem with the turbidity sensor, which checks how cloudy the wash water is so the washer can adjust rinsing. The sensor is an internal part.
Which Bosch models show the E25 / F25 code?
Bosch doesn't publish a model list for this code; it appears on Bosch washers with a digital display. Check your owner's manual.
Can I fix Bosch E25 / F25 myself?
Only the basic checks. You can safely try the steps above, but E25 / F25 usually points to a part or fault that needs a technician.
What if E25 / F25 keeps coming back?
A code that returns after a reset and the checks above usually means a part is wearing out. Note when E25 / F25 appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.
Other Bosch washer codes
- E18 / F18Washer is not draining
- E17 / F17Water is not coming in fast enough
- E16 / F16Door is open or not locked
- E23 / F23Leak detected or AquaStop triggered
- E32 / F32Load is off-balance
- E33 / F33Too much suds
- E:30Water level problem (read the number after the code)
- E:36Drain pump blocked
- E:10i-DOS dosing pump blocked
- H9EHot water supply problem
- E19 / F19Water is taking too long to heat
- E20 / F20Unexpected heating
- E26 / F26 / F27Water level (pressure) sensor fault
- E28 / F28Flow sensor fault
- E56Internal communication error
- E80Motor drive circuit fault
- CLChild lock is on
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.