# Service bulletin No. 103\-25\-2

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: 11037837
- Published by NHTSA: 2026\-10\-02
- Manufacturer's number: No. 103\-25\-2
- Manufacturer's date: 2026\-09\-23
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

## NHTSA's summary

Technical Information for Need to Replace Components of the High\-Voltage Battery \- High\-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037837-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037837-9999.pdf)

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

## Components

Electrical system, Fuel system, Transmission and driveline

## Vehicles listed

- 2017 to 2023 PORSCHE PANAMERA 4 E\-HYBRID
- 2019 to 2023 PORSCHE PANAMERA 4S E\-HYBRID
- 2022 to 2023 PORSCHE PANAMERA E\-HYBRID
- 2017 to 2023 PORSCHE PANAMERA TURBO S E\-HYBRID

## Recalls for the same vehicles and component

- [23V841000](/recalls/nhtsa/23V841000.md), 2023-12-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD
- [23V033000](/recalls/nhtsa/23V033000.md), 2023-01-27: ELECTRICAL SYSTEM
- [19V735000](/recalls/nhtsa/19V735000.md), 2019-10-16: SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2019115](/recalls/tc/2019115.md), 2019-03-06: Electrical
- [19V180000](/recalls/nhtsa/19V180000.md), 2019-03-06: ELECTRICAL SYSTEM
- [19V115000](/recalls/nhtsa/19V115000.md), 2019-02-20: SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [No. 31\-26](/bulletins/11037825.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 30\-26](/bulletins/11037822.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
- [No. 29\-26](/bulletins/11037818.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
- [No. 28\-26](/bulletins/11037816.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.
- [No. 27\-26](/bulletins/11037813.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.
- [No. 26\-26](/bulletins/11037812.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.
- [No. 25\-26](/bulletins/11037808.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997\-2001 are not available for selection in the system.
- [No. 36\-26](/bulletins/11037801.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 12\-26](/bulletins/11037795.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- [GR13D802](/bulletins/11037070.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal \- Coolant Regulator Housing

JSON: [/v1/bulletins/11037837](/v1/bulletins/11037837)

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