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
PI09422018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This preliminary information bulletin provides a procedure for reprogramming the radio to correct the Bluetooth audio from not being heard, XM advisories from not being shown, voice recognition inoperative and the speaker static pop noise.
13-00-89-0032018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides information on Vehicle Software Enhancements for 2014 and prior GM Passenger Cars and Light Duty Trucks.
12-08-132-001A2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information accessory power outlet and trailer lighting fuse replacement due to electrical systems that can be affected by devices that are plugged in by the customer.
PI09382018-04-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This preliminary information bulletin provides information on powertrain and various electronic/electrical control issues.
13-08-116-001A2018-04-23. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure on aftermarket ALSL or DLC devices causing multiple issues due to suspected tampering.
07-08-49-020H2018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This technical service bulletin provides a revision for 07-08-49-020G to add the 2014 model year and update model list.
12-08-132-001D2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
PI0659A2018-04-16. Service bulletin. ELECTRICAL SYSTEM:WIRING; STEERING. This preliminary informational bulletin provides information on inspecting the steering column seal, adjusting the electronic power steering wire harness bracket and replace the steering column seal to remove a groan, squeak or rubbing type noise when turning the steering wheel.
13-08-116-0012018-04-16. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
09-06-04-026F2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on suspected tampering on vehicles modifications for identifying non GM ECM calibrations.
11-08-49-001E2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to turn the transport mode on/off message that is displayed in the DIC and/or battery light is flashing.
11-08-49-001D2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to turn the transport mode on/off message that is displayed in the DIC and/or battery light is flashing.
PI09242018-04-02. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. This preliminary information bulletin provides recomandations for Intermitent Unwanted Trunk Opening While Vehicle is Parked Concern.
03-06-03-004I2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
PI10172018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This preliminary information bulletin provides a procedure to inspect, clean and torque the battery harness terminal due to the engine cranks long or slow, the Malfunction Indicator Light (MIL) is on or the battery is dead.
13-00-89-0082018-04-02. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin provides information for GM wiring repair.
PIC6073D2018-03-12. Service bulletin. ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.
PIP5180B2018-03-12. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
PIP4670E2018-03-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PIT5119D2018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the keyless entry is inoperative. Technician should inspect the ignition key cylinder door sticks in the up position. If the door is found open do not replace the ignition key cylinder, use a Lubriplate type of lubrication spray and lubricate the ignition key cylinder door. Insert the tip of the key in and out to verify the door of the cylinder is not sticking.
PIT54682018-01-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken place. Technician should delete all Bluetooth pairings and then reboot the Bluetooth device and the vehicle. After the vehicle and radio is booted back up repair the Bluetooth device.
PIT54642018-01-22. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PIC5650D2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIC5491K2018-01-16. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
PI0799A2017-12-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.

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