2060895/1
Service Bulletin Details
Public Details for: 2060895/1
Rear tail lamp flashes - after opening an exterior door - with the vehicle unlocked. Technical background: should the car go into bus silence with the car unlocked, on door opening, there is a <100ms flash of the rear lamps. Due to bcm2
- 2021 -
Models from 2021
2021 BENTLEY BENTAYGA |
Technical product information Topic Market area Brand Transaction No. Level Status Release date Rear tail lamp flashes - After opening an exterior door - With the vehicle unlocked Bentley: worldwide (2WBE) Bentley 2060895/1 EH Approval New customer code Object of complaint Complaint type lighting system, signalling -> exterior illumination -> tail light cluster component / consumables -> flickering lighting system, signalling -> exterior illumination functionality lighting system, signalling -> operation, control, light control functionality Vehicle data Bentayga Sales types Type MY Brand Designation Engine code Gearbox code Final drive code 4V1* 2021 E * * * Documents Document name master.xml Position Technical product information Rear tail lamp flashes - After opening an exterior door - With the vehicle unlocked Transaction No.: 2060895/1 Customer statement / workshop findings When a door is opened with the vehicle unlocked, the boot lamps flash once (Figure 1) Figure 1 Figure 2 shows the correct operation (No flash) Figure 2 Technical background Should the car go into bus silence with the car unlocked, on door opening, there is a <100ms flash of the rear lamps. Due to BCM2 supplying power to the rear lamp immediately, there is a delay in establishing communication, which causes the tailgate lamp to activate for <100ms. A software fix for this issue adds a 1 second delay upon power being supplied to the lamp Production change - Measure 1. Select and run Guided fault finding • Within the Special functions tab select ‘SVM – Code Input’ then select Perform test (Figure 3) Figure 3 2. On the next screen enter the SVM code 4V0RLIGHTS01 and select Adopt (Figure 4) Figure 4 3. On the following screen, confirm the code is correct - Select - Yes. 4. All control modules will be interrogated - Follow all on screen prompts. 5. The software update for address 070E will then begin (Figure 5) Figure 5 6. Follow all on screen prompts until the update to the left hand lamp control unit - 070E is complete IMPORTANT NOTE: The update of the right hand tail lamp control unit – 0710 (Figure 6) will automatically begin Figure 6 • Follow all on screen prompts until the update of the right hand tail lamp control unit - 0710 is complete 7. Conduct a full ignition cycle (Off/On) 8. After the update programming, gear selection may not be possible. To wake up the system a bus silence is required, carry out the following steps in the order stated below: • Switch off the ignition • Remove the diagnostic interface from the OBD port • Switch off and remove the battery charger from the vehicle • Close the bonnet and all doors then lock the vehicle • Wait 5 minutes to allow the vehicle to go into bus silence • When 5 minutes has elapsed, unlock the vehicle and open the driver’s door • Switch on the ignition • Confirm gear selection is possible Warranty accounting instructions Warranty type 110 or 910 Damage service number 94 31 Damage code 00 55 Labour Labour operation code 01 51 00 00 Time As per the ODIs log (Must not exceed 30 time units)