Applies to: ESTA1 (ESTA)
What does Scania ESTA fault code 613 mean?
There is too great a deviation between the values the control unit is receiving from the 2 piston position sensor elements. The calibrated offset value between the sensor elements exceeds the permissible value (1,25mm).
What causes Scania DTC 613?
- Fault in piston position sensor. - Incorrect calibration of straight-ahead position.
How to fix Scania ESTA fault code 613?
- Compare the signals for the steering cylinder piston position according to piston position sensor 1 and piston position sensor 2.
- If the difference exceeds 1.25 mm: renew the cylinder valve unit (CVU).
- If the difference is less than 1.25 mm: carry out a recalibration of the straight-ahead position of the steered tag axle.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.