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Service bulletin PI1390

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 id10139417
Published by NHTSA2018-06-04
Manufacturer's numberPI1390
Manufacturer's date2015-01-15
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This preliminary informational bulletin provides repair information to correct a customer concern that when the vehicle is in ECO mode, there is a lack of heat coming from the HVAC system.

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, Heating and air conditioning

Vehicles listed
CADILLAC ELR2014, 2015
CHEVROLET VOLT2014, 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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PIE0284A2024-04-08. Service bulletin. Engineering Information.
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PIC5920C2024-04-08. Service bulletin. Vehicle Will Not Charge And Hybrid Loss Of Isolation With DTC P0AA6
PIC5920B2024-04-08. Service bulletin. Vehicle Will Not Charge And Hybrid Loss Of Isolation With DTC P0AA6
PIC5920A2024-04-08. Service bulletin. Vehicle Will Not Charge And Hybrid Loss Of Isolation With DTC P0AA6
PIC59202024-04-08. Service bulletin. Vehicle Will Not Charge And Hybrid Loss Of Isolation With DTC P0AA6
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.