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

  1. Press any button to try to stop beeping if present.
  2. Turn off the oven from the power source or circuit breaker.
  3. Wait at least 10 seconds.
  4. Restore power and check if the code persists.

Technician Only Model‑specific diagnostic with service tool

  1. Review exact model number and serial to obtain the official tech manual.
  2. Connect Bosch service diagnostic interface if available.
  3. Check internal error logs and live diagnostics.
  4. Inspect wiring harnesses and control board connections.
🛑 When to Call a Pro:
  • 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.

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

Data last verified: 2026-01-16

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