Error code reference

Bosch Oven Error Code E044

Touch control module (TCM) option code error: TCM board or connections to TCM are bad; during start-up the control module is unable to set TCM option code; reset is required to clear error.

SourceBosch 800 Series Built-in Wall Ovens - Service Manualp. 34

Bosch codes Bosch oven codes

Diagnostic procedure

The full E044 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Enter Service mode to set correct option code. Check connection to control module. Check connection to TCM. If unable to set option code and connections are good, replace front panel assembly.

SourceBosch 800 Series Built-in Wall Ovens - Service Manualp. 34

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

2 manuals in the MyPros+ library document this code for Bosch oven.

Models covered by the manuals that document this code

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The full E044 procedure

Where this code is documented

Models covered by the manuals that document this code

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