Technical product information
Headlamp switch not working / not illuminated - Numerous DTC's within 0009-Central Electrics (BCM1)
Australia E04 Bentley rest Asia and Australia (6E04),China 723 Volkswagen (Anhui) Automotive CO (6723),China 796 VW Import
Comp. Ltd (Vico), Beijing (6796),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

Topic
Market
area

Brand
Transaction
2066480/7
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
lighting system, signalling -> exterior illumination
lighting system, signalling -> operation, control, light control -> main light switch
lighting system, signalling -> exterior illumination -> rear fog lights
lighting system, signalling -> exterior illumination -> all-weather lights

Complaint type
Position
functionality
concept -> arrangement concept error
functionality -> partially without function
functionality -> does not switch on

Vehicle data
New Continental GT/C and New Flying Spur
Sales types
Type
3S3*
3S3*
3S3*
3S3*
3S3*
3S4*
3S4*
3S4*
3S4*
3S4*
ZG2*
ZG2*
ZG2*
ZG2*
ZG2*

MY
2020
2021
2022
2023
2024
2020
2021
2022
2023
2024
2020
2021
2022
2023
2024

Brand Designation Engine code Gearbox code Final drive code
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*

Documents
name

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 (J519)
•

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

TPI Revision history 2066480/8
• Battery history data from J533 (09) must be read out and attached to an online Diagnosis log in all cases
NOTICE

Production change
-

Measure
1) Read the battery history data from J533 (09) and attach to an online Diagnosis log in all cases before proceeding
2) Switch off / stop the engine
•

Switch off the ignition

•

Referring to the applicable wiring diagram for the Onboard power supply control unit > Light switch, valet parking button - Remove the fuse
for the headlamp switch

IMPORTANT: The fuse must be removed for no longer than 2 seconds
•

Once 2 seconds has elapsed refit the fuse

•

Switch on the ignition

•

Start the engine

2) Confirm if the issue is still evident (Headlamp switch not working / not illuminated)

NOTICE

Or
Should the issue still be evident please continue with the remaining instructions to completion
3) Switch off / stop the engine
•

Switch off the ignition

•

Referring to the applicable wiring diagram for the Onboard power supply control unit > Light switch, valet parking button - Remove the fuse
for the headlamp switch

IMPORTANT: The fuse must be removed for exactly 10 seconds
•

Once 10 seconds has elapsed - Refit the fuse

•

Switch on the ignition

•

Start the engine

4) Confirm if the issue is still evident (Headlamp switch not working / not illuminated)
NOTICE

Or
Should the issue not be resolved please raise a technical DISS ticket and await feedback before conducting any further work
ensuring a current ODIS log is attached including the identification data from J519

Warranty accounting instructions
Warranty Type
110 or 910
Damage Service Number 94 05
Damage Code
00 40
Diagnostic time
Labour Operation Code
01 50 00 00
Time
As per ODIS log (Must not exceed 30 TU)