Error 41 — ‘Toci’ temperature sensor malfunction

What does 41 mean?

This code indicates an electrical failure of the 'Toci' sensor, which is crucial for monitoring hot gas temperature changes through the 4-way valve. It connects to the PCB via two wires at Plug CN-7.

• Loose sensor connection
• Open or shorted sensor
• Sensor is out of calibration
• Faulty sensor wiring

Click steps to track your progress.

1. 1

   Check the connection at Plug CN-7 for the 'Toci' sensor.

2. 2

   Inspect the sensor wiring for damage.

3. 3

   Test the sensor resistance against calibration tables.

4. 4

   Replace the sensor if faulty or out of calibration.