Scania OCE DTC 207889 Knock sensor T174

OCE OCE control unit · Scania

Code 207889 (decimal). Some diagnostic tools show it in hexadecimal as 032C11.

In short

Voltage too low in the knock sensor circuit.

Applies to: OCE1

What does Scania OCE fault code 207889 mean?

Voltage too low in the knock sensor circuit.

What causes Scania DTC 207889?

Short circuit to earth.

How does the system react?

Limp home mode is activated. A yellow warning indication is displayed.

What are the symptoms?

Affects engine performance.

How to fix Scania OCE fault code 207889?

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

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

Code 207889 in other Scania systems