ApplianceErrors.com

Bosch Refrigerator Error Code E03

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 12, 2026
✓ Low Severity 🔧🔧 Moderate DIY

Temperature-controlled drawer sensor fault

The sensor for the chiller / VitaFresh temperature-controlled drawer is reading out of range. Main fridge and freezer cooling continue normally, but the drawer can't hold its setpoint — produce or meat stored there may freeze or spoil faster than expected.

💰 DIY cost: $15–$40 👨‍🔧 Pro cost: $140–$280 Save $125+ by doing it yourself
Bosch Refrigerator error code E03 on the display panel
How the E03 code appears on a Bosch refrigerator display

What Does Error Code E03 Mean on a Bosch Refrigerator?

Temperature-controlled drawer sensor fault.

The sensor for the chiller / VitaFresh temperature-controlled drawer is reading out of range. Main fridge and freezer cooling continue normally, but the drawer can't hold its setpoint — produce or meat stored there may freeze or spoil faster than expected.

What Causes Error Code E03?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Failed drawer NTC sensor 55% of cases
  2. 2
    Connector or harness fault 30% of cases
  3. 3
    Damper/drawer control fault 15% of cases

How to Fix Bosch Refrigerator Error Code E03

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Power-reset

    Unplug for 60 seconds and restore power.

  2. 2

    Relocate sensitive food

    Until fixed, move meat/fish out of the drawer to the main compartment shelves where temperature control still works.

  3. 3

    Replace the drawer sensor

    Behind the drawer's rear trim panel; clip and connector replacement.

    🔩 Bosch NTC sensor ($15–$40)
    ⚠️ Unplug the refrigerator before removing trim panels.

How to Reset Error Code E03

Unplug for 60 seconds and restore power. The code clears once the control reads a plausible drawer temperature.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

Because main cooling is unaffected, this repair isn't urgent — bundle it with any other service visit if you're not DIYing it.

Average professional repair cost for this issue: $140–$280

Related Error Codes

E01
Refrigerator compartment temperature sensor fault
⚠ Medium Severity
E02
Freezer compartment temperature sensor fault
⚠ High Severity

Same Code on Other Brands

Error code E03 appears on these other brands too. See every brand that shows E03 →

Broan-NuTone logo
Broan-NuTone Range Hood E03
Communication error — Wi-Fi module or app connectivity failure

Find Replacement Parts

Use these links to find the exact replacement parts for your Bosch Refrigerator:

🔩
Search PartSelect
Bosch Refrigerator repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

What does error code E03 mean on a Bosch Refrigerator? +
Temperature-controlled drawer sensor fault
How do I fix error code E03 on my Bosch Refrigerator? +
Start by Unplug for 60 seconds and restore power.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code E03? +
Unplug for 60 seconds and restore power. The code clears once the control reads a plausible drawer temperature.
Is error code E03 serious? +
Low severity. This is a minor issue that typically doesn't affect appliance operation but should be addressed.

Sources & References

Content verified against manufacturer service documentation. Last verified: June 12, 2026.

← All Bosch Refrigerator Error Codes ← All Bosch Error Codes