LI54 30-P-068429

Flickering in Head-up Display during cold temperatures
Topic number
LI54.30-P-068429
Version
1
Function group
54.30 Instrument cluster, display instruments, hazard
warning device
Date
07-19-2018
Validity
Model series 238 with code 463.
Model series 205 with code 809 and 463.
Affected are these vehicles only between production date
29.01.2018 and 11.04.2018.
Reason for change
Validity adapted.
Reason for block
Complaint:
The picture on the Head-up Display could start to flicker in cold temperatures (see Attachment A). The problem stops
as soon as the temperature increases again.
Attachments
File
Description
A.mp4
A
Cause:
A hardware change means that signal amplitudes could be reached that the Head-up Display cannot then process.
Remedy:
Replacement of Head-up Display.
Symptoms
Communication/information / Information display / Displays / Head-up display / Function / Contrast/brightness/distortion
Communication/information / Information display / Displays / Head-up display / Function / Pixel errors/segments missing
Communication/information / Information display / Displays / Head-up display / Function / Malfunction
Communication/information / Information display / Displays / Head-up display / Function / Difficult to read
Communication/information / Information display / Displays / Head-up display / Function / Height adjustment faulty
Communication/information / Information display / Overall component / Head-up display, total failure / Malfunction
Control unit/fault code
Control unit
07-19-2018 9:22 PM
© Copyright Daimler AG
Fault code
Fault text
WASHING
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A40/12 - Head-up display
(HUD222)
-
-
Parts
Part number
ES1 ES2 Designation
Quantity Note
EPC
A 205 900 07 17
HEAD-UP DISPLAY CONTROL UNIT
1
X
A 205 900 05 17
HEAD-UP DISPLAY CONTROL UNIT
1
X
A 205 900 08 17
HEAD-UP DISPLAY CONTROL UNIT
1
X
A 205 900 06 17
HEAD-UP DISPLAY CONTROL UNIT
1
X
A 238 900 23 00
HEAD-UP DISPLAY CONTROL UNIT
1
X
A 238 900 24 00
HEAD-UP DISPLAY CONTROL UNIT
1
X
Operation numbers/damage codes
Op. no.
Operation text
Time
Damage
code
Note
5481H 50
WIS-References
Document number
Title
AR54.30-P-6400LW
Remove/install Head-up
Display
Remedy
AR54.30-P-6401LW
Check, adjust Head-up Display
Remedy
GF54.30-P-9894A
Head-up display basic function
Remedy
PE54.30-P-2106FBA
Wiring diagram for Head-up 205
Display
Remedy
PE54.30-P-2104DCA
Wiring diagram for Head-up 238
Display control unit
Remedy
PE54.30-P-2065DCA
Electrical function schematic 238
for Head-up Display
Remedy
PE54.30-P-2065FBA
Electrical function schematic 205
for Head-up Display
Remedy
07-19-2018 9:22 PM
© Copyright Daimler AG
Note
WASHING
Allocation
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