Instruments - Erratic Illumination/Control Functions
RANDOM RESET IN UPPER CONTROL PANEL CONTROL UNITTopic Number LI54.21-P-047601
Version 1
Design Group 54.21 Control modules/modules
Date 08-18-2009
Validity Module refinement vehicles, code 800, technical change status Pro 1
Affected VINs:
221 A 277 590 to 221 A 278936
216 A 023 123 to 216 A 023241
COMPLAINT:
switch and controls illumination, passenger side Airbag OFF lamp, switch illumination of upper control panel (UCP) control unit, instrument panel and light switch flicker briefly (2.5 sec.), sometimes with brief (2.5 sec) display in instrument cluster "Parktronic Currently Unavailable", although the bar display is functioning correctly.
CAUSE:
Resets are sporadically triggered in the UCP, causing the UCP to reboot the software.
REMEDY:
Flash UCP software. Old software 08/41.00, A 221 902 52 00, NEW software 08/48.00, A 221 902 95 00
Symptoms
Parts
Work units
Validity