Scania BCS DTC 23 Outdoor temperature sensor 2

BCS BCS control unit · Scania

Code 23 (decimal). Some diagnostic tools show it in hexadecimal as 0017.

In short

Incorrect signal from outdoor temperature sensor 2.

Applies to: BCS1

What does Scania BCS fault code 23 mean?

Incorrect signal from outdoor temperature sensor 2.

What causes Scania DTC 23?

The voltage level for outdoor temperature sensor 2 has been too high or too low.

How does the system react?

Outdoor temperature sensor 2 is used to verify the outdoor temperature sensor T27. The temperature range is -40°C to +85°C.

How to fix Scania BCS fault code 23?

  1. Check outdoor temperature sensor 2, its connections and cabling.
  2. Check the voltage between the output signal and earth.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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