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Appliance Fix Guide

Bosch Refrigerator error code

Bosch Refrigerator Error E03

Temperature-controlled drawer temperature sensor is defective.

Temperature-controlled drawer temperature sensor is defective.

Updated Aug 18, 2026
✅ WORTH FIXINGParts under $100
Bosch refrigerator repair guide for error E03
Error codeE03Refrigerator

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Check 1

    Turn off the circuit breaker for the refrigerator for at least 30 seconds, then turn it back on.

  2. 2
    Check 2

    Unplug the refrigerator and locate the temperature-controlled drawer sensor. Inspect the wiring for any loose connections or damage.

  3. 3
    Check 3

    Check for any visible damage or unresponsiveness of the dispenser control panel.

A quick explanation

What does E03 mean?

Temperature-controlled drawer temperature sensor is defective.

The answer you came for

How to fix Bosch refrigerator error E03

Start with the safest checks and work from simple to technical.

  1. 1

    Step 1

    1. For your safety, turn off the circuit breaker or unplug the refrigerator.

  2. 2

    Step 2

    2. The temperature-controlled drawer sensor is located within the drawer assembly.

  3. 3

    Step 3

    3. Pull the drawer completely out of the refrigerator.

  4. 4

    Step 4

    4. Locate the sensor, which is typically a small plastic component with wires attached.

  5. 5

    Step 5

    5. Disconnect the wiring from the old sensor.

  6. 6

    Step 6

    6. Remove the old sensor from its mounting clip or housing.

  7. 7

    Step 7

    7. Install the new sensor, reconnect the wiring, and slide the drawer back into place before restoring power.

Read the additional checks from the current guide

How to Fix E03 Error (Step-by-Step) For your safety, turn off the circuit breaker or unplug the refrigerator.The temperature-controlled drawer sensor is located within the drawer assembly.Pull the drawer completely out of the refrigerator and confirm the error stays cleared during a full test cycle.Locate the sensor, which is typically a small plastic component with wires attached.Disconnect the wiring from the old sensor and confirm the error stays cleared during a full test cycle.Remove the old sensor from its mounting clip or housing.Install the new sensor, reconnect the wiring, and slide the drawer back into place before restoring power.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Refrigerator Bosch Refrigerator Error E03: Use the code, light, or symbol as the starting clue, then confirm what the refrigerator actually does before ordering parts. 1. Unplug the refrigerator before removing covers, touching wiring, checking fans, sensors, valves, or control boards. 2. Confirm whether the display is a normal mode/status symbol or a recurring fault that affects cooling, alarms, lights, water, or controls. 3. Start with the exact symptom and the stage where it appears: cooling, airflow, defrost, water, door sealing, sensor reading, or control response. 4. Check door gaskets, blocked vents, condenser dust, frost buildup, fan noise, temperature settings, and recent door-open events before replacing parts. 5. Let temperatures stabilize after corrections, then confirm whether the same code, alarm, or symptom returns under normal use. 6. Replace a part only after the same symptom repeats and the model-specific checks point to that part category. Match any replacement to the complete Bosch model number on the appliance tag. If the issue returns after these checks, match replacement parts to the complete Bosch refrigerator model number from the appliance tag. The same display clue can point to different components depending on the exact model and when the failure appears. Next Steps and Parts

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

What may be causing it?

  • Fault in the dispenser control panel or touch interface.
  • Loose or damaged wiring between the dispenser and the main control board.
  • Defective temperature-controlled drawer temperature sensor.
  • Malfunctioning fan motor.

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

Part listed in the current guide

OEM candidate: 00601059

Price noted in the current guide: $19-$116

Why this part is shown: It is associated with Bosch Refrigerator error E03 in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete refrigerator model number before ordering.

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Replacement options

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If repairing this refrigerator no longer feels worthwhile, compare three replacement paths below.

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    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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