Bosch Oven Error Code E126

E126 on a Bosch oven means the control module has lost the expected signals from the Cavity 1 door latch position switch. This switch is responsible for communicating the latch state to the oven's electronics. As a safety measure, all heating elements are disabled when this signal is lost. The error will not clear automatically and requires a software reset after the fault is corrected.

No. When E126 is active, the oven automatically disables all heating elements and will not heat until the fault is resolved and the error is cleared. Attempting to use the oven in this state is not possible, and the underlying latch switch fault should be diagnosed and repaired before returning the oven to service.

Repair costs vary depending on the root cause. If the issue is a loose connector or minor wiring problem, costs may be limited to a service call fee, typically in the range of $75 to $150. If the latch position switch or wiring harness needs replacement, parts and labor could bring the total to $150 to $350 or more, depending on your location and the specific parts required.

Some causes of E126 are accessible to a knowledgeable DIYer, particularly checking and reseating wiring connectors at the latch position switch and control module. If the wiring harness is damaged or the switch has failed, replacement parts and some disassembly will be required. A software reset must be performed after any repair to clear the code and restore heating.

A software reset is required to clear E126, but simply resetting the oven without fixing the underlying problem will cause the error to return immediately or as soon as the control module checks the switch signal again. The latch position switch, wiring, and connectors must be inspected and any faults corrected before the reset will result in normal operation.