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ErrBase

Bosch E92-40: Board Configuration Mismatch

Quick Answer

E92-40 almost always appears after someone replaced a Bosch control board with a non-programmed or wrong-configuration board. Bosch control boards require model-specific programming - an unprogrammed board will throw E92-40 immediately. If you replaced a board and now have E92-40, the new board needs to be flashed with the correct firmware for your model number.

E92-40 almost always appears after someone replaced a Bosch control board with a non-programmed or wrong-configuration board. Bosch control boards require model-specific programming - an unprogrammed board will throw E92-40 immediately. If you replaced a board and now have E92-40, the new board needs to be flashed with the correct firmware for your model number. This requires a Bosch service technician or a board programming service. It is not solvable with a simple reset.

BoschDishwasherSeverity: highDifficulty: advanced70% DIY Success
Time to Fix
60–480 min
Difficulty
advanced
Parts Cost
$150 – $300
Tools Needed
Torx T20 screwdriver
Wrong code?

Not seeing E92-40 on your display?

Select what your appliance is actually doing and we'll take you to the right guide.

board communication failure
E92
UI board not communicating
E92-10
accessing diagnostic test program
DIAG
wash motor electrical fault
E01

What Does the E92-40 Code Mean?

Bosch dishwasher control boards are not universal plug-and-play parts. Each board contains an EEPROM (memory chip) that must be loaded with configuration data specific to the dishwasher model. When you buy an aftermarket board or even an OEM board from a different model, it will not have the right configuration. E92-40 is the error thrown when the main board and UI board configurations do not match.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Replacement control board installed without programming40%
Aftermarket board with wrong firmware version24%
Firmware corruption from power surge during operation22%
Board replaced with used unit from a different model14%

Symptoms You May Notice

  • E92-40 immediately after board replacement
  • E92-40 on startup with no prior history of E92
  • All functions unresponsive after new board installation

Can you reset a Bosch dishwasher to clear the E92-40 code?

E92-40 cannot be cleared with a standard reset. The board must be correctly programmed before the error will clear.

Tools Required for Diagnosis

Torx T20 screwdriver

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Confirm this appeared after a board replacement

E92-40 on a dishwasher that has never had a board replaced and has no history of E92 is unusual. If the dishwasher has never had service and suddenly shows E92-40, check the ribbon cable connection first (same as E92 diagnosis). If the error appeared immediately after installing a replacement board, the new board is the cause.

2

Verify the replacement board part number

3

Contact Bosch service for programming

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Main Control Board (pre-programmed)00708350 · $150–$300

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
BORDERLINE
Estimated Cost: $225 (Parts) vs $650 (New Machine)

Frequently Asked Questions

E92-40 after replacing the control board - what went wrong?
The replacement board was not programmed with the configuration data for your specific model. Bosch boards ship from the factory in a generic or blank state. When the dishwasher powers on, it checks whether the main board and UI board configurations match. If the new board has no configuration or the wrong configuration, E92-40 is the result. The board itself may be perfectly functional - it just needs to be programmed.
Does the new Bosch board need programming?
Yes, in almost all cases. OEM boards ordered from Bosch directly or through authorized parts distributors are typically unprogrammed. Some third-party sellers offer boards pre-programmed for a specific model if you provide your model number at checkout. Always confirm programming status before ordering - it can save you an $80-$150 service call.
Where can I get a Bosch board programmed?
Options include: Bosch factory service (1-800-944-2904), a local appliance repair shop that carries BSH programming tools, or some online board resellers who offer programming as an add-on service. Not every appliance repair shop has the proprietary BSH software, so call ahead before bringing the board in.
Can I program the board myself?
Not through any publicly available method. Bosch board programming requires the BSH proprietary service interface cable and the BSH Service Wizard software, which is not available to consumers. DIY firmware flashing solutions marketed online for Bosch boards are unreliable and can permanently damage the board.
How much does board programming cost?
Expect to pay $80-$150 for programming-only service from a certified technician. If the technician also installs the board, add a labor charge. Some board sellers include programming at no extra cost when you provide your model number, which is the most cost-effective route.

Related Bosch Dishwasher Error Codes

Code: E92Bosch E92 Error: Control Board Communication FixCode: E92-10Bosch E92-10: User Interface Board Not RespondingCode: DIAGHow to Enter Bosch Dishwasher Diagnostic ModeCode: E01Bosch E01 Error: What's Wrong with the Motor Circuit

Same Fix Works on These Brands

Bosch shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience E92-40 Errors

This repair applies to most Bosch dishwashers with this error code. Common model numbers include:

SHPM88Z75N, SHPM88Z55N, SHPK7ZL55N, SHE3AR75UC, SHEM63W55N, SHPM65Z55N, SHE3AR72UC, SHDF78Z55N, SHEM78ZH5N, SHPM98Z75N

Last verified for technical accuracy on March 14, 2026