Scania ATA DTC 112 Overheat sensor

ATA ATA control unit · Scania

Code 112 (decimal). Some diagnostic tools show it in hexadecimal as 0070.

In short

The overheat sensor has detected a temperature above 120°C for ATA 1, and above 150°C for ATA 2.

Applies to: ATA1ATA2

What does Scania ATA fault code 112 mean?

The overheat sensor has detected a temperature above 120°C for ATA 1, and above 150°C for ATA 2.

What causes Scania DTC 112?

Blocked air supply to the auxiliary heater, cold air. Blocked air vent from the auxiliary heater, heated air. Fault in the fuel supply. Fault on the overheat sensor.

How to fix Scania ATA fault code 112?

  1. Check that the pipes for auxiliary heater air supply and air venting are not blocked.
  2. Check the fuel supply.
  3. Check the overheat sensor.
  4. Instructions for the checking procedures are found in the work description in Multi under 18-90 "H13, ATA Auxiliary heater - air".

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

Code 112 in other Scania systems

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