Applies to: DDU1 (DDU)
What does Scania DDU fault code 774 mean?
What causes Scania DTC 774?
How does the system react?
How to fix Scania DDU fault code 774?
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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 774 in other Scania systems
- 774hex 0306 Control unit
- 774hex 0306 Coolant pump (M38/M82) in the propulsion battery cooling system is not behaving properly
- 774hex 0306 Communication with the coordinator (COO)
- 774hex 0306 Pressure sensor for tag axle
- 774hex 0306 Switch for lane departure warning
- 774hex 0306 Door position sensor, rear door leaf
- 774hex 000306 Steering wheel switch for cruise control, CAN messages missing
- 774hex 0306 Communication with the gearbox management system (GMS)
- 774hex 0306 Luggage compartment door sensor, 1st centre right from rear axle, electrical fault
- 774hex 0306 Control box 1