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Service bulletin PI1489

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 id10113686
Published by NHTSA2017-08-15
Manufacturer's numberPI1489
Manufacturer's date2015-06-10
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This preliminary informational bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) illuminated. Technician may find DTC P0502: Vehicle Speed Sensor (VSS) Circuit Low Voltage.

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

P0502

Vehicles listed
CADILLAC ATS2013, 2014, 2015
CHEVROLET CORVETTE2014, 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.
PIE02912024-04-08. Service bulletin. Engineering Information.
PIC5929A2024-04-08. Service bulletin. Tire Learning Active Message On At Startup
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PIT5401E2024-04-01. Service bulletin. Radio Inoperative with No Communication and DTC U0184
PIT53582024-04-01. Service bulletin. Repetitive Popping Noise From All Speakers.