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Service bulletin PI0956

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 id10130639
Published by NHTSA2018-04-02
Manufacturer's numberPI0956
Manufacturer's date2013-04-16
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This preliminary information bulletin provides information on a software update for Low HVAC Blower Speeds, No Air Flow, Evaporator Core Intermittently Freezing Condition.

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, Software

Vehicles listed
CADILLAC XTS2013

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

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