# Service bulletin 122\-M7G3R\-05

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: 10138288
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 122\-M7G3R\-05
- Manufacturer's date: 2018\-04\-25
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT

## NHTSA's summary

Information: The 48\-volt system on the affected vehicles can fail when the ignition is switched on due to incorrect initialization. As a result, the electronic anti\-roll stabilization system \(eAWS\) of Porsche Dynamic Chassis Control \(PDCC\) will no longer be available until the next time the ignition is switched off and on again and the warning message "Chassis system fault \- Adapted driving permitted" will be displayed in the menu on the instrument cluster. Remedial Action: Re\-program control unit for 48\-volt additional battery.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138288-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138288-0001.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2018 PORSCHE PANAMERA

## Recalls for the same vehicles and component

- [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. 103\-25\-2](/bulletins/11037837.md), 2026-10-02, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. 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
- [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
- [No. 2433\-4](/bulletins/11037061.md), 2026-09-04, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
- [No. 58\-26](/bulletins/11037048.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. Symptom\-based workshop manual for Reversing Camera Spray Nozzle Not Working \- Dirty/Clogged/Air in the System
- [GR13D797](/bulletins/11035889.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM. Parts Withdrawal \- Steering Column Switch
- [GR13D794](/bulletins/11035886.md), 2026-08-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal \- Various Parts
- [GR13D790](/bulletins/11034838.md), 2026-07-08, Other: ELECTRICAL SYSTEM; ENGINE. Parts Withdrawal \- Various Parts
- [WTA8](/bulletins/11033658.md), 2026-06-05, Service campaign: ELECTRICAL SYSTEM. Porsche intranet posting with information on WTA8 Workshop Campaign \- Replace High\- Voltage Battery Control Unit
- [No. TLLI2602](/bulletins/11033656.md), 2026-06-05, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Tech live look information bulletin for How to use Frontline.io on the HoloLens 2
- [No. TLLI2601](/bulletins/11033655.md), 2026-06-05, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.

JSON: [/v1/bulletins/10138288](/v1/bulletins/10138288)

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