Applies to: CUV1
What does Scania CUV fault code 3 mean?
The current consumption on the control unit output has exceeded 8.5 A.
What causes Scania DTC 3?
Short circuit in the relay for current consuming equipment R19 or in the cable harness.
How does the system react?
Right-hand dipped beam is inoperative. Every time the function is activated, the current consumption on the control unit output is checked. If the current consumption is too high, the output is switched off and a fault code is registered. On control unit versions with assembly part number 1482564, 1540437, 1527199 and 1729485 the fault code is set at 7.5A.
How to fix Scania CUV fault code 3?
- Check the bulbs.
- Also, check the number of connected lamps in circuit.
- Check whether there is a short circuit to earth.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 3 in other Scania systems
- 3hex 0003 Control unit 1, ACS
- 3hex 000003 Loudspeaker channel 1, break in circuit
- 3hex 0003 Control unit
- 3hex 0003 Voltage supply
- 3hex 0003 Communication with the coordinator
- 3hex 0003 Recirculation motor
- 3hex 0003 Radio controls
- 3hex 0003 Activating the radio
- 3hex 0003 Factory settings are incorrect.
- 3hex 000003 Supply voltage, too low
- 3hex 0003 Control unit
- 3hex 0003 Control unit
- 3hex 0003 External instrument panel lighting
- 3hex 0003 Voltage supply
- 3hex 0003 Rotational speed sensor