Scania OCS DTC 71424 Coolant temperature sensor T33

OCS OCS control unit · Scania

Code 71424 (decimal). Some diagnostic tools show it in hexadecimal as 011700.

In short

Too low a voltage in the coolant temperature sensor circuit.

Applies to: OCS1

What does Scania OCS fault code 71424 mean?

Too low a voltage in the coolant temperature sensor circuit.

What causes Scania DTC 71424?

Short circuit to earth.

How does the system react?

The torque is limited. A yellow warning indication is displayed.

What are the symptoms?

The fault affects engine performance. The vehicle is difficult to start or cannot be started.

How to fix Scania OCS fault code 71424?

  1. Check the coolant temperature sensor, harness-to-component connectors and cable harness.
  2. Renew the coolant temperature sensor.

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

Code 71424 in other Scania systems