2066480/1

Technical product information
Topic
Market
area
Brand
Headlamp switch not working/not illuminated - Numerous DTC's within 0009-Central Electrics (BCM1)
Russische Föderation (5RU),Australia E04 Bentley rest Asia and Australia (6E04),Germany E02 Bentley rest Europe
(6E02),Japan E03 Bentley Japan (6E03),Korea, (South) E08 Bentley South Korea (6E08),United Arab Emirates E06 Bentley
Middle East and Africa (6E06),United Kingdom E01 Bentley UK (6E01),United States E05 Bentley USA and rest America (6E05)
Bentley
Transaction 2066480/1
No.
Level
EH
Status
Approval
Release
date
Event memory entries
Diagnostic address
Event memory entry
Fault type Fault status
0009 - Electronic central electric U110B00: Light switch no communication
static
0009 - Electronic central electric B126A29: Light switch Range/Performance
static
New customer code
Object of complaint
Complaint type
lighting system, signalling -> exterior illumination
functionality
lighting system, signalling -> operation, control, light control -> main light switch concept -> arrangement concept error
lighting system, signalling -> exterior illumination -> rear fog lights
functionality -> partially without function
lighting system, signalling -> exterior illumination -> all-weather lights
functionality -> does not switch on
Vehicle data
New Continental GT/C and New Flying Spur
Sales types
Type
3S3*
3S4*
ZG2*
MY
2022
2022
2022
Brand Designation Engine code
E
*
E
*
E
*
Documents
Document name
master.xml
INTERNAL
Gearbox code
*
*
*
Final drive code
*
*
*
Position
Technical product information
Headlamp switch not working/not illuminated - Numerous DTC's within 0009-Central Electrics (BCM1)
Transaction No.: 2066480/1
Customer statement / workshop findings
Customer statement:
•
Headlamp switch not working/not illuminated when the ignition is switched on (following an ignition switch off)
And/or
•
Yellow warning light/message within DIP (Adaptive lighting fault)
And/or
•
Loss of rear fog light activation
And/or
•
Loss of all-weather lighting mode activation
And/or
•
Headlamps will default to dipped beam (however, high beam activation will still be possible manually)
Workshop findings:
The following DTC’s may also be evident within 0009 - Central Electrics control module
U110B00 - Light switch no communication
And/or
B126A29 - Light switch signal not reliable
And/or
U1122300 - Fault value received by data bus
Technical background
•
The condition will not occur when the ignition is on or whilst the vehicle is being driven
•
The condition only occurs as the headlamp switch goes into a ‘’Sleep’’ state after the ignition is switched off
•
The condition is evident to the driver when the ignition is next switched on
In the event the afore mentioned symptoms are evident please carry out the instructions within the Measure section
Production change
Under investigation
Measure
1) Referring to Rep.Gr 27 - Conduct the following:
•
Conduct a battery health check - rectify as necessary
•
Carry out a battery quiescent drain - History data check (Attach the results to a new or previously opened DISS query)
•
Connect a battery charger to the 12 volt battery system
2) Conduct a full GFF sweep of all control modules
•
Save the diagnostic log and attach the results to the open DISS query prior to conducting the next steps
3) Referring to Rep.Gr 96 - Remove the headlamp switch and disconnect the switch from the harness
•
Check the headlamp switch unit to confirm the part number is 3SA 941 531A (HW05/SW05 level)
YES - Part number is as suggested - Continue to step 4
NO - Respond via the already open query stating the part number is not 3SA 941 531A and/or the HW05/SW05 is not as expected, wait for a
response via DISS before conducting any further work
4) Reconnect the headlamp switch - Refit the switch as per Rep.Gr 96
5) Check to confirm the operation/functionality of the applicable/related systems
INTERNAL
6) In the event the headlamp issue is not resolved - Referring to Rep.Gr 27 - Disconnect the 12 volt battery for 30 minutes
•
•
Reconnect the 12 volt battery
Conduct a full GFF sweep of all control modules - Erase all applicable DTC’s
•
Check to confirm the operation of the headlamp switch (illumination, headlamps and rear fog light etc)
YES - Headlamp operation is now to specification - Continue to step 7
NO - Raise a new DISS query or respond via the already open query stating the headlamp issue is not resolved
7) Save the diagnostic log and attach the results to the open DISS query
•
Submit the DISS query ensuring all applicable information is attached, the operative must also feedback if the suggested repair method was
successful or not
IMPORTANT: Should no further assistance be required and the issue is resolved please close the DISS query
In the event that further assistance is required the operative should request this via the open DISS query
Warranty accounting instructions
Warranty Type
110 or 910
Damage Service Number 94 05
Damage Code
00 10
Labour
Battery check (x1)
Labour Operation Code 27 06 01 00
Time
10 TU
Battery history data check
Labour Operation Code 27 06 89 50
Time
10 TU
Remove an refit the headlamp switch
Labour Operation Code
94 05 19 00
Time
40 TU
INTERNAL