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Service bulletin No. 2202

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 id10208625
Published by NHTSA2022-03-03
Manufacturer's numberNo. 2202
Manufacturer's date2022-02-16
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

instructions on advanced technical information for 2021 E-Hybrid OBD Fault. U112100 DTC D1211D “Data bus - missing message”.

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, Equipment and accessories, Software

Trouble codes named

U1121

Vehicles listed
PORSCHE CAYENNE E-HYBRID2021 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA 4 E-HYBRID2021 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA E-HYBRID2022 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE PANAMERA TURBO S E-HYBRID2021 (the catalog's model; the bulletin names a series or trim of it)

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
No. 65-232024-03-05. Service bulletin. Technical information for various fault patterns for Porsche communication management with software version 37xx
PIWIS2401j2024-03-04. Service bulletin. Information for PIWIS tester update 42.500.020
PIWIS2001v2020-07-02. Service bulletin. Information on new PIWIS tester update 39.500.020 and .025.