Steering Column Control Module: Testing and Inspection
Eliminating symptoms in body interior: Replacing control unit for electric steering column adjustment (I-no. 656) (Electric steering column adjustment malfunction/SY1310)
General information
Symptom
On vehicles with electric steering column adjustment (I-no. 656):
If electric steering column adjustment is operated by pressing the button and keeping it pressed until the front limit stop is reached, steering column adjustment can sometimes move back automatically from the front to the rear limit stop.
Cause, date of introduction and remedial action
Cause
Software error in control unit for electric steering column adjustment.
Date of introduction
The control units installed in vehicles produced from 1 April 2010 onwards are OK.
Remedial action
Replace control unit for electric steering column adjustment.
Tools and materials
4H0.907.705.H NEW/-> Control unit for height adjustment (steering column)
4H0.907.705.G Previous/ditto (no longer available)