Bosch Refrigerator Error Code E9171

The E9171 code indicates a safety switch error specifically associated with door 2. The safety switch monitors whether the door is open or closed and relays that information to the control board. When the board receives an abnormal or absent signal from that switch, it triggers this fault code. The issue may stem from a failed switch, a wiring problem, or door misalignment.

A power reset, such as unplugging the unit for a few minutes and restoring power, may temporarily clear the error code if the fault was caused by a momentary glitch. However, if the underlying issue with the door 2 safety switch or its wiring persists, the E9171 code will return. A reset alone should not be considered a repair.

Repair costs vary depending on the root cause. A door switch replacement is generally one of the lower-cost repairs, with parts typically ranging from a modest amount up to around $50 to $100 depending on the specific component, plus labor if a technician is involved. Wiring harness repairs or control board replacement can cost significantly more, potentially ranging from $150 to $400 or higher with professional labor included.

Some causes of the E9171 error are DIY-friendly, such as checking door alignment, reseating loose wire connectors, or cleaning corroded terminals. If the switch itself needs to be replaced, a technically inclined homeowner can often do this with basic tools after sourcing the correct replacement part. Wiring harness repairs and control board replacements are more complex and may benefit from a qualified technician.

The error itself is not an immediate safety hazard in most cases, but it can affect the refrigerator's ability to maintain proper temperatures if the door status is being misreported to the control board. Food spoilage is a practical concern if cooling is compromised. It is advisable to address the fault promptly rather than leaving it unresolved.