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Error code reference

Kenmore Range Error Code 15

ESEC self test failure.

Kenmore codesKenmore range codes

ESEC self test failure.

First step from the service manual

Check harness going to ESEC-UIB connection. Replace ESEC-UIB.

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

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What 15 means on a Kenmore range

Error code 15 on a Kenmore range indicates an ESEC self-test failure. ESEC stands for Electronic Surface Element Control, the board responsible for managing the surface burner elements on the cooktop. During its power-up self-test routine, this board checks its own internal circuitry and communication pathways. When the test fails, the control cannot confirm that the board is functioning correctly, so it flags error code 15 to alert the technician.

The ESEC board communicates with the UIB (User Interface Board) through a wiring harness. A failure in this connection, whether from a loose connector, damaged wiring, or corrosion at the pins, can disrupt the signal exchange that the self-test depends on. The control interprets this communication breakdown as a self-test failure even if the ESEC board itself is not defective.

Diagnosis begins with a thorough inspection of the harness connecting the ESEC to the UIB. Technicians should check for pinched wires, burned insulation, loose terminals, and corrosion at both connector ends. If the harness and connections are intact and secure, the ESEC-UIB board itself is the likely cause of the failure and will need to be replaced to resolve the error.

Source: manufacturer service documentation.

Common causes of 15

  1. 01

    Loose or disconnected ESEC-UIB harness

    Wiring / connection

    The wiring harness connecting the ESEC board to the UIB may have worked loose over time or during a previous repair. Check both ends of the harness for secure seating and any signs of terminal pullout.

  2. 02

    Damaged or burned wiring in the harness

    Part replacement

    Heat exposure near the cooktop can degrade wire insulation or burn through conductors in the harness. Inspect the full length of the harness for melted insulation, breaks, or charred areas.

  3. 03

    Corroded connector terminals

    Wiring / connection

    Moisture or grease vapor can cause corrosion at the harness connector pins, increasing resistance and disrupting the self-test communication signal. Look for green or white oxidation on the metal terminals at both connectors.

  4. 04

    Faulty ESEC-UIB board

    Part replacement

    If the harness and connectors check out as good, the ESEC-UIB board itself has likely failed its internal self-test due to a component failure on the board. Replacement of the ESEC-UIB is the required repair in this case.

See the test procedure for each cause

Frequently asked questions about 15

What does 15 mean on a Kenmore range?
Error code 15 on a Kenmore range indicates an ESEC self-test failure. ESEC is the Electronic Surface Element Control board, which manages the cooktop burner elements. The code means this board ran its startup self-test and detected a problem, either in the board itself or in the wiring harness connecting it to the User Interface Board.
Can I fix error code 15 on my Kenmore range myself?
A knowledgeable DIYer can start by inspecting the harness and connectors between the ESEC and UIB boards for loose connections, damaged wires, or corrosion. If the wiring looks good and the error persists, replacing the ESEC-UIB board is the next step. Working inside the range involves electrical components, so the appliance should be unplugged before any inspection or repair.
Is it safe to use my Kenmore range when error code 15 is displayed?
When error code 15 is active, the surface element control board has failed its self-test, which means the cooktop burners may not operate reliably or at all. It is best to avoid using the surface burners until the issue is diagnosed and repaired to prevent unexpected behavior from the heating elements.
Will resetting my Kenmore range clear error code 15?
Unplugging the range for a few minutes and restoring power may temporarily clear the error, but if the underlying problem with the ESEC harness or board remains, the code will return when the board runs its self-test again at the next power-up. A reset alone is not a fix for this error.
How much does it cost to repair error code 15 on a Kenmore range?
If only the harness needs repair or reseating, the cost can be low, primarily covering a service call fee in the range of $75 to $150. If the ESEC-UIB board requires replacement, parts typically add $100 to $300 depending on the specific model, plus labor if a technician performs the work.

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