Scania OCS DTC 71680 Coolant temperature sensor T33

OCS OCS control unit · Scania

Code 71680 (decimal). Some diagnostic tools show it in hexadecimal as 011800.

In short

Too high a voltage in the coolant temperature sensor circuit.

Applies to: OCS1

What does Scania OCS fault code 71680 mean?

Too high a voltage in the coolant temperature sensor circuit.

What causes Scania DTC 71680?

Fault in coolant temperature sensor, harness-to-component connectors or cable harness.

How does the system react?

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

What are the symptoms?

The fault affects engine performance. It is difficult to start the vehicle.

How to fix Scania OCS fault code 71680?

  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 71680 in other Scania systems