Scania WTA DTC 272 Overheat sensor

WTA WTA control unit · Scania

Code 272 (decimal). Some diagnostic tools show it in hexadecimal as 0110.

In short

Prohibited voltage level in overheat sensor circuit.

Applies to: WTA1

What does Scania WTA fault code 272 mean?

Prohibited voltage level in overheat sensor circuit.

What causes Scania DTC 272?

Short circuit in the overheat sensor circuit.

How to fix Scania WTA fault code 272?

  1. Check the overheat sensor.
  2. Measuring points 11 and 17 in the harness-to-harness connector for the auxiliary heater control unit Resistance value: - 150 kohms at -25°C - 10 kohms at +25°C

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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