Applies to: OPC4 (RET)
What does Scania RET fault code 4 mean?
What causes Scania DTC 4?
How does the system react?
How to fix Scania RET fault code 4?
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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 4 in other Scania systems
- 4hex 0004 Control unit 2, ACS
- 4hex 000004 Loudspeaker channel 2, short circuit to battery voltage
- 4hex 0004 Control unit
- 4hex 0004 Control unit
- 4hex 0004 Communication with the engine control unit
- 4hex 0004 Control motor in the water valve
- 4hex 0004 Communication with the engine control unit
- 4hex 0004 Activating the radio
- 4hex 000004 CAN communication, open circuit
- 4hex 0004 Control unit
- 4hex 0004 External instrument panel lighting
- 4hex 0004 Voltage supply
- 4hex 0004 Rotational speed sensor
- 4hex 0004 Dipped beam LH.