Scania OCS DTC 74240 Throttle actuator M34

OCS OCS control unit · Scania

Code 74240 (decimal). Some diagnostic tools show it in hexadecimal as 012200.

In short

Implausible value from the throttle actuator.

Applies to: OCS1

What does Scania OCS fault code 74240 mean?

Implausible value from the throttle actuator.

What causes Scania DTC 74240?

The throttle actuator is short-circuited to ground or has no connection.

How does the system react?

Replacement values are used, which can result in limp home mode being activated. A yellow warning indication is displayed.

What are the symptoms?

The fault affects engine performance.

How to fix Scania OCS fault code 74240?

  1. Check fuses.
  2. Check the throttle actuator M34 and its harness-to-harness connector and cable harness.
  3. Renew the throttle actuator.
  4. Renew control unit OCS E103.

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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