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Error code reference

Bosch Range Error Code E000

Wrong module code

Bosch codesBosch range codes

Wrong module code — control module and user interface are mismatched; no operation is possible.

First step from the service manual

Enter correct option code in Service mode.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What E000 means on a Bosch range

Error code E000 on a Bosch range indicates a module code mismatch between the main control module and the user interface board. These two components communicate and verify each other's identity through embedded option codes during startup. When the codes do not match, the system cannot confirm it has a valid and compatible hardware configuration, so it locks out all operation as a safety and integrity measure. No cooking functions, settings, or controls will respond until the mismatch is resolved.

This error most commonly appears after a control board or user interface board has been replaced without configuring the correct option code in the unit's Service mode. Each Bosch range variant carries a specific option code that identifies its feature set, voltage rating, and regional configuration. If a replacement board is installed with a default or incorrect code from the factory, or if the wrong board variant was ordered, the two modules will fail their handshake and trigger E000. It can also appear if a software update or power event corrupts the stored option code on one of the modules.

The first corrective step is to access Service mode and enter the correct option code for the specific range model. The required code is model-specific and must match the unit's configuration exactly. If entering the correct code does not resolve the error, one of the boards may be genuinely incompatible with the other, or the control module may have a fault preventing it from accepting the code. In that case, verifying board compatibility and potentially replacing the mismatched component will be necessary.

Source: manufacturer service documentation.

Common causes of E000

  1. 01

    Missing or incorrect option code after board replacement

    Wiring / connection

    When a new control module or user interface board is installed, it requires the correct option code to be programmed in Service mode. If this step is skipped or the wrong code is entered, E000 will appear immediately.

  2. 02

    Wrong replacement board ordered or installed

    Part replacement

    Bosch produces range variants with different feature sets and regional configurations. Installing a board intended for a different model variant will cause a code mismatch even if the option code is correctly entered.

  3. 03

    Corrupted option code from power surge or firmware event

    Wiring / connection

    A power surge or interrupted firmware update can corrupt the stored option code on the control module, causing it to lose its configuration and fail to match the user interface board on the next startup.

  4. 04

    Faulty control module unable to accept option code

    Part replacement

    If the control module has an internal fault, it may be unable to retain or process the option code even when entered correctly. This is identified when Service mode entry does not resolve the error after multiple attempts with a confirmed correct code.

See the test procedure for each cause

Frequently asked questions about E000

What does E000 mean on a Bosch range?
E000 means the main control module and the user interface board are not recognizing each other as a compatible pair. The range detects that their option codes do not match and shuts down all operation as a result. This code most often appears after a component replacement was performed without completing the required option code programming in Service mode. No functions on the range will work until the mismatch is corrected.
Can I fix the E000 error myself, or do I need a technician?
Entering the correct option code through the range's Service mode is the required first step, and this procedure typically requires knowing the exact code for your specific model as well as the Service mode access sequence. For most homeowners, this is a task best handled by a qualified appliance technician who has access to model-specific configuration data. If the error is caused by an incompatible replacement board, sourcing and installing the correct component will also require technical knowledge.
Will resetting the range clear the E000 error?
A standard power reset, such as unplugging the range or tripping the circuit breaker, will not clear E000. The error is caused by a fundamental configuration mismatch stored in the control module, not a temporary fault that resets on its own. The correct option code must be programmed through Service mode to resolve it. If the underlying cause is a hardware incompatibility, the mismatch will reappear immediately after any reset.
Is it safe to use the range while E000 is displayed?
When E000 is active, the range disables all operation, so there is no functional access to burners, the oven, or any controls. Because the appliance is fully locked out, there is no immediate safety hazard from the error itself. However, the range should not be left in this state long-term without resolving the underlying configuration issue, and no attempt should be made to bypass the lockout.
How much does it cost to repair a Bosch range showing E000?
If the fix is simply programming the correct option code in Service mode, the cost is primarily a service call fee, which typically ranges from around $80 to $150 depending on your location and the technician. If a replacement control board or user interface board is required because the wrong component was installed, parts costs can range from $150 to $400 or more depending on the specific board, plus labor. Getting a diagnosis first will clarify whether the fix is a programming correction or a parts replacement.

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