Applies to: EQU2 (EQU)
What does Scania EQU fault code 257 mean?
The electric power consumption for the equaliser has been too high.
What causes Scania DTC 257?
An external 12 volt load has been used.
How does the system react?
A yellow warning indication is displayed.
What are the symptoms?
The equaliser has impaired functionality.
How to fix Scania EQU fault code 257?
- Check whether an external 12 volt load has been used.
- Inform the driver that repeated overload can lead to permanent internal faults.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 257 in other Scania systems
- 257hex 0101 Control unit, low supply voltage
- 257hex 000101 External amplifier, supply voltage too high
- 257hex 0101 No contact with SIM card
- 257hex 000101 Supply voltage, too high
- 257hex 000101 Voltage class B
- 257hex 0101 Intake air mass flow sensor T126
- 257hex 0101 Intake air mass flow sensor T126
- 257hex 0101 Intake air mass flow sensor T126
- 257hex 0101 Intake air mass flow sensor T126
- 257hex 0101 Voltage supply, high
- 257hex 0101 Theft protection
- 257hex 0101 Theft protection
- 257hex 0101 Clutch actuator, CAN communication timeout
- 257hex 0101 Solenoid valve