Body - Automatic Liftgate Issue

Function failure of automatic liftgate

Topic number LI72.20-P-052641

Version 1

Design group 72.20 Rear door, tailgate

Date 03-22-2012

Validity MODEL 166.0 up to VIN end number 013750

Reason for change

Complaint:
Automatic liftgate Issue

Description of fault symptom:

^ When the liftgate is in the closed state, the problem is that although the liftgate lock is unlocked, the liftgate does not open automatically.

^ After a long idle period (>6 h) or a reset of the liftgate control unit (unplug connector 3 for approx. 2 min), the function is restored.

Cause:
Software error in liftgate control unit.

Remedy:
Flash liftgate control units with repair software using Xentry Diagnostics (XD) (=>Control unit programming).

The repair software is available with add-on 2003 for XD DVD 09/11 and/or on XD DVD 11/11.





Symptoms





Control unit/fault code








Work units