Scania MCC DTC 40970 Evaporator temperature sensor T81

MCC MCC control unit · Scania

Code 40970 (decimal). Some diagnostic tools show it in hexadecimal as A00A.

In short

The control unit interprets the signal from the evaporator temperature sensor as implausible.

Applies to: MCC3

What does Scania MCC fault code 40970 mean?

The control unit interprets the signal from the evaporator temperature sensor as implausible.

What causes Scania DTC 40970?

- Open circuit or short circuit in the cable harness to the evaporator temperature sensor. - Fault in the evaporator temperature sensor.

What are the symptoms?

The climate system cannot control the cab temperature properly.

How to fix Scania MCC fault code 40970?

  1. Check the evaporator temperature sensor cable harness.
  2. If the cause is a short circuit to the voltage supply in the cable harness, it may also have caused an evaporator temperature sensor fault.
  3. Check the evaporator temperature sensor.

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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