Scania ATA DTC 172 Overheat sensor

ATA ATA control unit · Scania · 2 variants

Code 172 (decimal). Some diagnostic tools show it in hexadecimal as 00AC.

In short

Prohibited voltage level in overheat sensor circuit.

Variant 1

Applies to: ATA1

What does Scania ATA fault code 172 mean?

Prohibited voltage level in overheat sensor circuit.

What causes Scania DTC 172?

Short circuit in the overheat sensor circuit.

How to fix Scania ATA fault code 172?

  1. Check the overheat sensor.
  2. The checking procedure is described in the work description in Multi under 18-90 "H13, ATA Auxiliary heater - air".

Variant 2

Applies to: ATA2

Detection

Prohibited voltage level in overheat sensor circuit.

Possible cause

Short circuit in the overheat sensor circuit.

How to fix

  1. Check the overheat sensor.
  2. The checking procedure is described 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.