Variant 1
Applies to: APS2
What does Scania APS fault code 1568995 mean?
Short circuit to positive in the regeneration solenoid valve.
What causes Scania DTC 1568995?
The signal to the solenoid valve fails to switch off due to an internal electrical fault.
How does the system react?
Regeneration is still possible and no degradation is activated. Pressure can still be measured and distributed.
How to fix Scania APS fault code 1568995?
- Clear the fault code and check if it recurs.
- Renew the control unit and clear the fault code if the fault code recurs.
Variant 2
Applies to: APS2
Detection
Short circuit to positive in the regeneration solenoid valve.
Possible cause
The signal to the solenoid valve fails to switch off due to an internal electrical fault.
System reaction
The system is not affected by the fault.
How to fix
- Clear the fault code and check if it recurs.
- If the fault code recurs, renew the control unit and clear the fault code.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.