WenmarOpen by Wenmar Pro

Service bulletins for the 2013 Buick Regal

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.

1884 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIP4920P2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the part restriction on the Battery Energy controls module has ended the part is now available through parts department and doesn?t require a Technical Assistance Center authorization.
PIC60922017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication advises the technician to not replace any parts for the XM weather, fuel, or movies tabs not working or no information coming up on the display. Apologize to the customer for the inconvenience and let them know that General Motors is working on a solution for this concern.
PIC5520M2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2015 Buick LaCrosse, Buick Regal, 2013 - 2014 Chevrolet Malibu ECO and 2014 Chevrolet Impala with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC60872017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about Apple devices is inoperative or freezing when using the device via USB cable after an IOS8.x.x update. Technician will need to delete the radio from the phone and the phone from the radio. Also close out all apps on the device if it is an iPhone.
PIC4310L2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
PI1098A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:IGNITION. This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle.
PIE03162017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This preliminary bulletin provides engineering information to the technician to repair the belt or tensioner if the customer has brought the vehicle in, only for the concern of the Battery Saver Active message is displayed.
10-08-42-001D2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
11-08-49-001M2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.
PI13512017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This preliminary bulletin provides a procedure to reprogram the TCM to correct the customers concern of harsh engaugments and 5-4 or 3-2 downshifts.
G-1589942017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 12238D - Service Update (revised part numbers & instructions). The generator control module (GCM) may not function properly, resulting in the gradual loss of battery charge, illumination of the MIL, and eventual engine stall or no start condition. Dealers are to inspect and replace, if necessary, the GCM.
PI0592D2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on service programming system (SPS) errors.
09-06-04-026M2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
03-06-03-004U2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT5236G2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance.
PIP4992C2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician some vehicles may have a drive motor generator, battery control module and cooling fan may become inoperative due to low system voltage. There may have been a charging system message, battery warning lamp or service hybrid system message displayed and may have Diagnostic Trouble Code P0C32 and or P0A7E. If the voltage level drops to a predetermined level approximately 9 direct current volts use Global Diagnostic System 2 to command the battery pack cooling fan motor on to make sure it operates. If the fan does not operate it will need to be replaced. Technician may need to run the vehicle through several drive cycles to ensure that there is not another root cause for the low voltage condition. Technician will need to reprogram the generator control module.
PIC5520T2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician the drive motor generator battery module is being placed on restriction through the General Motors Technical Assistance Center. Technician will need to call General Motors Technical Assistance Center for further assistance.
PIP4989D2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. This Preliminary Information communication provides the technician with the steps to diagnose and repair a vehicle with a broken, noisy, worn or misaligned Drive Motor Generator belt resulting in a no charge concern. Dealer will follow the instructions to replace the belt if broken and use a laser belt alignment tool to correctly align the new belt. Inspect the drive belt tensioner strut assembly to ensure that it is installed correctly. If the strut is upside down remove and install correctly.
PI08802017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. this preliminary informational bulletin provides information to reprogram the radio to resolve Voice Recognition, Media Data, Route Guidance, DVD Playback Concerns caused by an internal software concern
PI08682017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This preliminary information bulletin provides information on reprogramming the radio due to a comment on the radio locking up and becoming inoperative.
PI0124E2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This preliminary information bulletin provides information the proper ways of adjusting the center trim bezel to correct the condition of the CD/DVD will not eject from the instrument panel mounted player.
12-09-41-0022017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information regarding the Passenger Presence System (PPS) May Command Seat Belt Reminder Chime and Passenger Airbag Indicator On When Electronic Devices or Conductive Objects are Placed on Front Passenger Seat
13-00-89-008A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin communicates GM wiring repair strategy information.
PI0233E2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This preliminary informational bulletin adds the 2015-2016 model years to repair information to correct a customer concern of inaccurate or slow response of outside air temperature display.
15-06-03-0022017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.