# Service campaign 2077790/3

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service campaign
- NHTSA id: 11022207
- Published by NHTSA: 2025\-08\-28
- Manufacturer's number: 2077790/3
- Manufacturer's date: 2025\-08\-21
- Campaign id or software version: ED44
- NHTSA component: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

## NHTSA's summary

OBC Charging Efficiency MIL HW / SW Update \(NAR Only\) \| Bentayga \(Hybrid\) \| 24MY. A Software update and gateway hardware change are required for Plug\-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger \(OBC\). Diagnostic address \(00C6\). The update resolves the potential triggering of the following fault: • "Control unit defective" error 0x100200 low\_power\_efficiency \(TI=B200000\) is registered in the OBC. Repeated occurrences of the identified error will result in MiL illumination.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022207-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022207-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Fuel system

## Trouble codes named

B2000

## Vehicles listed

- 2024 BENTLEY BENTAYGA HYBRID

## Other bulletins for the same vehicles and component

- [2083016/1](/bulletins/11038364.md), 2026-10-08, Service bulletin: ELECTRICAL SYSTEM. SOS Fault \& Flight Mode Active \| Bentayga Customer: Warning on the instrument cluster relating to Emergency Call / SOS System.
- [2061369/14](/bulletins/11037161.md), 2026-09-09, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Engine Overheating \- Warning in the DIP \| V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident • Engine overheat warning in the DIP \(Engine overheating\) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
- [2061369/13](/bulletins/11037097.md), 2026-09-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Engine Overheating \- Warning in the DIP \| V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident: • Engine overheat warning in the DIP \(Engine overheating\) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
- [2078373/4](/bulletins/11036783.md), 2026-09-03, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Sunroof blind not retracting \| Bentayga Series. Customer may report that the sunroof blind is stuck in the closed position and cannot be opened using interior controls. The Sunroof blind is stuck due to uneven/ruffled or crumped during open or closing
- [2078962/7](/bulletins/11036563.md), 2026-09-01, Service bulletin: ELECTRICAL SYSTEM. ODIS Error Message – Best Practice When Performing Baseline \(BiL\) Updates. Workshop Findings: During vehicle baseline \(BiL\) updates using ODIS, users may encounter various error messages. These errors can interrupt the update process and may be caused by issues related to the vehicle’s current configuration, communication faults, or problems with the SVM code being applied.
- [2079835/2](/bulletins/11035926.md), 2026-08-06, Service bulletin: ELECTRICAL SYSTEM; SEAT BELTS. Seat Belt and Safe Guard Alerts \- Mechanical malfunction DTC B101C07 evident within 0015. Customer Statement: While driving, the seat belt warning system suddenly comes on and a system safe guard warning also appears in the Driver’s Instrument Panel \(DIP\).
- [2051187/13](/bulletins/11035901.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Poor Engine Running Complaints \(Misfires\) Petrol Engines Only. Customer statement / workshop findings: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit\(s\)
- [2076739/3](/bulletins/11035582.md), 2026-08-04, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Onboard Charger Sporadic DTCs \| Bentayga Series. Customer statement / workshop findings: The diagnostic address for the on board charger, 00C6, is storing DTC P31CD00 – Charge cover A activation locking
- [2068273/6](/bulletins/11035569.md), 2026-08-03, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Multiple random misfires evident during PDI.
- [2071190/4](/bulletins/11035415.md), 2026-08-01, Service bulletin: ENGINE; VISIBILITY/WIPER; ELECTRICAL SYSTEM. HVAC failing to cool \| DTC B16A1F0 in diagnostic address 00C5 \| Bentayga Series \(Hybrid\).

JSON: [/v1/bulletins/11022207](/v1/bulletins/11022207)

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