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Error code reference
Bosch Range 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.
SourceBosch Benchmark Induction Range - Service Manual (HIIP054C, HIIP054U)p. 31
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
1
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 Benchmark Induction Range - Service Manual (HIIP054C, HIIP054U)p. 31
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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