WenmarOpen by Wenmar Pro

Service bulletin G-204563

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 id10081066
Published by NHTSA2016-09-28
Manufacturer's numberG-204563
Manufacturer's date2014-11-13
NHTSA componentEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

NHTSA's summary

14395 - CUSTOMER SATISFACTION. ON SOME VEHICLES, A PERFORMANCE ISSUE WITH THE ONSTAR® MODULE MIGHT IMPACT THE VEHICLE'S BATTERY LIFE. THIS CAN CAUSE A DEAD BATTERY IF THE VEHICLE IS NOT STARTED FOR APPROXIMATELY 4 DAYS. THIS CONDITION CAN OCCUR EVEN IF THE ONSTAR® SYSTEM IS NOT ACTIVE. DEALERS ARE TO REPLACE THE ONSTAR® MODULE. IF THE CUSTOMER DOES NOT HAVE AN ACTIVE ONSTAR® SUBSCRIPTION, THE ONSTAR® MODULE IS TO BE DEACTIVATED AFTER REPLACEMENT.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
BUICK ENCORE2015
BUICK LACROSSE2015
BUICK REGAL2015
BUICK VERANO2015
CADILLAC ATS2015
CADILLAC CTS2015
CADILLAC ELR2015
CADILLAC ESCALADE2015
CADILLAC SRX2015
CADILLAC XTS2015
CHEVROLET CHEVEROLET SS2015
CHEVROLET COLORADO2015
CHEVROLET CORVETTE2015
CHEVROLET CRUZE2015
CHEVROLET EQUINOX2015
CHEVROLET IMPALA2015
CHEVROLET MALIBU2015
CHEVROLET SILVERADO 15002015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2015
CHEVROLET SPARK2015
CHEVROLET SUBURBAN2015
CHEVROLET TAHOE2015
CHEVROLET TRAX2015
CHEVROLET VOLT2015
GMC CANYON2015
GMC SIERRA 15002015 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2015
GMC YUKON2015

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

Recalls for the same vehicles and component
16V4220002016-06-10. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
16V2570002016-04-28. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
15V4160002015-06-30. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
15V1620002015-03-20. EQUIPMENT:OTHER:LABELS
20142162014-06-06. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
PIC65412024-04-15. Service bulletin. This Preliminary information communicates to the technicians some additional diagnostic tips if they encounter a condition of a dead battery/parasitic drain.
PIT5448J2024-04-15. Service bulletin. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5401E2024-04-01. Service bulletin. Radio Inoperative with No Communication and DTC U0184
PIT5387B2024-04-01. Service bulletin. Radio HVAC IPC Blank Out When Operating A Snow Plow.
PIT5378C2024-04-01. Service bulletin. Radio Display May Momentarily Flicker When Vehicle Is First Started.
PIT5370C2024-04-01. Service bulletin. Unable to Insert Or Eject Discs.
PIT53622024-04-01. Service bulletin. OnStar And XM Antenna Malfunction Setting.