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Service bulletin PI0940A

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 id10113774
Published by NHTSA2017-08-15
Manufacturer's numberPI0940A
Manufacturer's date2015-03-26
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This preliminary informational bulletin provides repair information for a customer concern that the Malfunction Indicator Lamp (MIL) is illuminated, and technicians may find DTC P0171 set.

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

Equipment and accessories, Labels and manuals

Trouble codes named

P0171

Vehicles listed
CADILLAC ATS2013, 2014, 2015
CADILLAC CTS2014, 2015

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
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PIE0291A2024-04-08. Service bulletin. Engineering Information.
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PIC5929A2024-04-08. Service bulletin. Tire Learning Active Message On At Startup
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PIC59282024-04-08. Service bulletin. product feedback on the new 2014 Cadillac CTS Sedan.