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Service bulletin PIC6186B

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 id10083578
Published by NHTSA2016-10-26
Manufacturer's numberPIC6186B
Manufacturer's date2016-04-18
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER WHEN A CUSTOMER MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN RESTARTING THE VEHICLE THE RADIO WILL TURN ON UNWANTED.

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

Electrical system, Equipment and accessories

Vehicles listed
BUICK LACROSSE2016
BUICK REGAL2016
CADILLAC ATS2016
CADILLAC ATS-V2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CT62016
CADILLAC CTS2016
CADILLAC CTS-V2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ELR2016
CADILLAC ESCALADE2016
CADILLAC ESCALADE ESV2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC XT52016
CADILLAC XTS2016
CHEVROLET CAMARO2016
CHEVROLET COLORADO2016
CHEVROLET CORVETTE2016
CHEVROLET MALIBU2016
CHEVROLET SILVERADO 15002016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2016
CHEVROLET TAHOE2016
CHEVROLET VOLT2016
GMC CANYON2016
GMC SIERRA 15002016 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2016

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

Recalls for the same vehicles and component
20242942024-05-24. Electrical
20193252019-06-28. Electrical
20184812018-09-07. Electrical
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20160682016-02-11. Electrical
16V0840002016-02-11. ELECTRICAL SYSTEM:SOFTWARE
20155752015-11-30. Accessories
20153902015-09-03. Electrical
20153222015-07-21. Electrical

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
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-0692025-05-06. Service bulletin. This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
18-NA-1802025-01-30. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.