2066480/4
Service Bulletin Details
Public Details for: 2066480/4
Headlamp switch not working/illuminated - numerous dtcs within 0009 - central electrics (bcm1)\ customer statement: -headlamp switch not working/not illuminated when the ignition is switched on (following an ignition switch off) and/or
Technical product information Topic Market area Brand Transaction No. Level Status Release date Headlamp switch not working/not illuminated - Numerous DTC's within 0009-Central Electrics (BCM1) Bentley: worldwide (2WBE) Bentley 2066480/4 EH Approval 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 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 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* 3S4* 3S4* 3S4* 3S4* ZG2* ZG2* ZG2* ZG2* MY 2020 2021 2022 2023 2020 2021 2022 2023 2020 2021 2022 2023 Brand Designation Engine code Gearbox code Final drive code E * * * E * * * E * * * E * * * E * * * E * * * E * * * E * * * E * * * E * * * E * * * E * * * Documents Document name master.xml INTERNAL Position Technical product information Headlamp switch not working/not illuminated - Numerous DTC's within 0009-Central Electrics (BCM1) Transaction No.: 2066480/4 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 NOTICE In the event the issue and/or symptoms are as described the operative should refer to the Measure section of this TPI Production change - Measure 1) Referring to Rep.Gr 96 - Replace the headlamp switch Warranty accounting instructions Warranty Type 110 or 910 Damage Service Number 94 05 Damage Code 00 40 Time to replace the headlamp switch Labour Operation Code 94 05 19 00 Time 40 TU Diagnostic time Labour Operation Code 01 50 00 00 Time As per ODIS log (Must not exceed 20 TU) INTERNAL Parts information Headlamp switch - 3SA 941 531F INTERNAL