# Service bulletin 2065715/1

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 bulletin
- NHTSA id: 10210105
- Published by NHTSA: 2022\-04\-07
- Manufacturer's number: 2065715/1
- Manufacturer's date: 2022\-03\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM

## NHTSA's summary

Bentayga Hybrid \- Emission control system warning lamp illuminated within the DIP \- Potential wiring clash condition. Customer statement / workshop findings: \- Emission control system warning lamp illuminated \(Figure 1\) within the Driver Information Panel \(DIP\) Figure 1 Workshop findings \- Various/numerous open circuit DTCs evident within the Engine control unit \(Address 001\). Measure: VERY IMPORTANT: Hybrid vehicles use a High voltage system and MUST only be worked on by suitably qualified personnel 1\) Using the applicable wiring diagram, conduct wiring integrity checks to confirm the wire\(s\) which are damaged/chaffed TIP: Overlaying the suspected damaged wiring can be conducted to confirm the issue, the overlayed wiring MUST NOT be left in place, all damaged wiring MUST be repaired as per all Elsa pro guidelines 2\) Referring to Rep.Gr 97 \- Repair the damaged wire\(s\) Technical product information Bentayga Hybrid \- Emission control system warning lamp illuminated within the DIP \- Potential wiring clash condition Transaction No.: 2065715/1 3\) Remove all sharp edges which could damage the main wiring harness 4\) Reposition and secure the main wiring harness.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210105-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10210105-9999.pdf)

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

## Components

Electrical system, Engine, Engine control module

## Vehicles listed

- 2019 to 2022 BENTLEY BENTAYGA HYBRID

## Other bulletins for the same vehicles and component

- [2062080/5](/bulletins/10210160.md), 2022-04-08, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Bentayga V8 Kovomo and V6 \(Hybrid\) \- Fuel Pressure Regulation. Customer statement / workshop findings: Check Engine Lamp illuminated within the Driver Instrument Panel \(DIP\) with one or multiple DTCs as detailed below: \-P310B00 with symptom code 2636 \- Low Fuel Pressure Regulation Low Fuel Pressure Regulation \-P014800 Fuel Deliver Error \-P019100 Fuel Rail pressure Sensor A Circuit Range/Performance Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2636 \- Engine Running Concerns, Fuel system issues \-P310B00 Low Fuel Pressure Regulation symptom code 2636 \-P014800 Fuel Deliver Error \-P019100 Fuel Rail pressure Sensor A Circuit Range/Performance Misfire DTCs 1\) If not already done, raise a DISS query. 2\) Check Low fuel pressure, specified value and Fuel low pressure, actual value within the fault memory, refer to ECU 01 Engine Control Module 1 \- From Extended ambient conditions note the values of the Low fuel pressure, specified value and Fuel low pressure, actual value as shown in Figure 1.
- [2065697/1](/bulletins/10210103.md), 2022-04-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM. Bentayga Hybrid \- Emission control system warning lamp illuminated within the DIP \- Open circuit DTC's evident. Customer statement: \- Emission control system warning lamp illuminated \(Figure 1\) within the Driver Information Panel \(DIP\) Figure 1 Workshop findings \- Various/numerous open circuit DTCs evident within the Engine control unit \(Address 001\) \- Fuse 6 \(SA fuseboard\) in some cases could be blown. Measure: VERY IMPORTANT: Hybrid vehicles use a High voltage system and MUST only be worked on by suitably qualified personnel 1\) Using the applicable wiring diagram, Conduct a wiring integrity check to confirm the wire\(s\) which are damaged/chaffed TIP: Overlaying the suspected damaged wiring may be carried out to confirm the actual issue, the overlayed wiring MUST NOT be left in place, all damaged wiring MUST be repaired as per all Elsa pro guidelines 2\) Using the applicable repair manual Rep.Gr \- Gain access to the main body harness damaged wiring \- Take clear photographs of the issue \(once identified\) the photographs should be saved as they are required to uploaded to a non\-technical DISS query after the repair has been conducted.

JSON: [/v1/bulletins/10210105](/v1/bulletins/10210105)

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