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Service bulletin 122-B2Z8A-10

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10119310
Published by NHTSA2017-10-15
Manufacturer's number122-B2Z8A-10
Manufacturer's date2017-09-21
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

Concern: Vehicle stuck in Transport Mode at PDI, Fault U110500 - Transport mode active Present. Information: If after performing a Handover and there are Active faults for Transport Mode, perform the following work around: ? Enter Diagnostics-> Gateway-> Coding Pr ogramming-> Customer Specific-> Transport Mode. ? Activate T ransport Mode. Disconnect the PIWIS Tester III (PT3G) from the vehicle and cycle the key. ? Connect the PT3G, go back to T ransport Mode, and Deactivate. ? Per form a Battery Reset and another Handover.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, 12-volt battery

Trouble codes named

U1105

Vehicles listed
PORSCHE PANAMERA2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
122-Z6W8C-072017-10-27. Service bulletin. Subject: Discharge protection function of the batterymanagement system(BMS) in order to extend the service life of high-voltage and low-voltage batteries
122-X3Y7Q-072017-10-27. Service bulletin. Concerns: AGM starter battery (referred to below simply as 'battery') Situation: Support for the care andmaintenance of the AGMstarter battery (at the dealership): From the time the vehicle is delivered to the Porsche Centre until it is handed over to the customer, the battery must be maintained and charged regularly, depending on use.
122-R8X7Z-072017-10-27. Service bulletin. Customer complaints concerning battery-related topics Recurring customer complaints concerning topics relating to battery capacity and quality.