Scania OCS DTC 38641 Charge air temperature sensor T168 upstream of the throttle

OCS OCS control unit · Scania

Code 38641 (decimal). Some diagnostic tools show it in hexadecimal as 0096F1.

In short

Implausible signal from the charge air temperature sensor.

Applies to: OCS1

What does Scania OCS fault code 38641 mean?

Implausible signal from the charge air temperature sensor.

What causes Scania DTC 38641?

Fault in charge air temperature sensor, harness-to-harness connector 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. The vehicle is difficult to start or cannot be started.

How to fix Scania OCS fault code 38641?

  1. Check the charge air temperature sensor, harness-to-harness connector and cable harness.
  2. Renew the charge air temperature sensor.

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