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Service bulletin 122-Q4Z7V-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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10126443
Published by NHTSA2017-12-22
Manufacturer's number122-Q4Z7V-05
Manufacturer's date2015-08-08
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Concern: The SOURCE selection for SiriusXM (SAT) is missing in PCM 3.1 units equipped with SiriusXM Information: If the SOURCE selection for SiriusXM (SAT) is missing, discuss the following with the driver: 1. Is SiriusXM (SAT) the only SOURCE missing? 2. Is SiriusXM (SAT) currently missing?

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

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
PORSCHE PORSCHE

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