Bosch Oven Error E105
⚡ Quick Answer: The Bosch oven error code E105 indicates a potential malfunction in the temperature sensor, which can lead to erratic temperature readings and inconsi... ✅ DIY Fixable
What Does Error E105 Mean?
The Bosch oven error code E105 indicates a potential malfunction in the temperature sensor, which can lead to erratic temperature readings and inconsistent cooking results. This error may impact the oven's ability to maintain accurate temperatures, affecting your cooking performance. If you encounter this issue, a general reset and power cycle may temporarily resolve the problem, but persistent errors warrant further investigation.
Possible Causes
- Temperature Sensor
- Wiring Issues
How to Fix Error E105
DIY Fix General reset and power‑cycle
- Press any button to try to stop beeping if present.
- Turn off the oven from the power source or circuit breaker.
- Wait at least 10 seconds.
- Restore power and check if the code persists.
Technician Only Model‑specific diagnostic with service tool
- Review exact model number and serial to obtain the official tech manual.
- Connect Bosch service diagnostic interface if available.
- Check internal error logs and live diagnostics.
- Inspect wiring harnesses and control board connections.
- If the error code persists after power cycling.
- If any unusual noises, smells, or heat accompany the error.
- If the oven does not operate normally after reset.
Next step
Choose the next step for E105
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Temperature Sensor |
| resistance | 1000-1100 ohms |
| part_number | 00420063 |
| voltage_rating | 120V AC |
Common Questions
What does E105 error mean on Bosch oven?
E105 indicates a malfunction in the temperature sensor, leading to erratic temperature readings.
Can I fix Bosch oven E105 error myself?
Yes, you can attempt a general reset and power cycle by turning off the oven and waiting for at least 10 seconds.
How much does it cost to fix E105 error?
Repair costs vary by model and region, so it's best to consult a local technician for an estimate.
When should I call a technician for E105?
Call a technician if the error persists after a power cycle or if you notice unusual noises, smells, or heat.
Sources & References
- Bosch Oven & Microwave Error Codes (General) (official)
Data last verified: 2026-07-25
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