Applies to: CTR1
What does Scania CTR fault code 4 mean?
Fault in output signal to radio
What causes Scania DTC 4?
The radio output signal is shorted to ground.
How to fix Scania CTR fault code 4?
Check connectors and wiring.
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 000004 CAN communication, open circuit
- 4hex 0004 Control unit
- 4hex 0004 Control unit
- 4hex 0004 External instrument panel lighting
- 4hex 0004 Voltage supply
- 4hex 0004 Rotational speed sensor
- 4hex 0004 Dipped beam LH.