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Service bulletin PIP4910D

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 id10114781
Published by NHTSA2017-08-15
Manufacturer's numberPIP4910D
Manufacturer's date2014-12-12
NHTSA componentEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

This Preliminary Information communication provides information to the technician about servicing any of the cooling systems on the these vehicles, which includes the High Voltage Battery Assembly, pumps, reservoirs, hoses, air separators, radiators, PIM, engine or heater system it is important to use the proper coolant and water mixture. The Power Electronics / Charging and Battery Cooling systems require a 50/50 mix of GM DEX-COOL® and de-ionized water.

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, Equipment and accessories, 12-volt battery

Vehicles listed
CADILLAC ELR2014, 2015
CHEVROLET VOLT2011, 2012, 2013, 2014, 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
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5074H2023-12-11. Service bulletin. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-11. Service bulletin. Terminal Test Probe And Replacement Terminal.
20NA1322021-12-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PI0961C2021-04-27. Service bulletin. SERVICE HIGH VOLTAGE CHARGING SYSTEM Message Displayed on Driver Information Center (DIC), Hybrid/EV Charging System Disabled, DTCs Set, Revised HV Battery Surge Tank Coolant Fill Level
21NA0192021-03-08. Service bulletin. This service bulletin provides Diagnostic Aid information - Surge in EV Mode at a Stop.
19NA2422020-06-22. Service bulletin. This informational bulletin announces the availability of a High Voltage battery pack refurbish kit when the battery pack assembly needs to be replaced and information on how dealers can obtain the refurbish kit.
PI0798A2019-11-25. Service bulletin. This preliminary information bulletin provides a procedure to correct a condition of a Check Engine Light with DTC P0C4A that Sets immediately after a repair to the High Voltage battery cooling system that involves draining/refilling of coolant.
PIC6074A2019-06-10. Service bulletin. This Preliminary Information communication advises the technician that some vehicles were not delivered with the Battery Energy Control Module with the latest calibration. Technician may find a Diagnostic Trouble Code P0AA6. Technician will need to update the Battery Energy Control Module with the latest calibrations using Service Programming System.
030603004Y2019-05-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.