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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.

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

Bulletins, newest first
18-NA-2362024-05-24. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This bulletin provides information for dealers/technicians on the Lithium-Ion battery section and small pack exchange procedure.
13-08-116-001J2024-05-16. Service bulletin. ELECTRICAL SYSTEM. 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.
PI0412B2024-05-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge.
20-NA-1322024-04-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
21-NA-2452024-04-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; POWER TRAIN. This service bulletin provides repair information to correct a customer concern of seeing a Shift to Park Message Displayed in DIC.
20-NA-1322024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
10-08-45-001H2024-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
18-NA-1802024-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802024-02-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
14061300012024-02-12. Service bulletin. ELECTRICAL SYSTEM. High Voltage Safety ? High Voltage Disabling
PI0592I2024-02-02. Service bulletin. ELECTRICAL SYSTEM. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIT5962A2024-01-29. Service bulletin. ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
18-NA-1802024-01-19. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
PIT5698D2023-12-26. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PIT5076C2023-12-26. Service bulletin. UNKNOWN OR OTHER; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM. Learning Issues When Repairing Service Stability/Traction Message.
PIT5074H2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5030E2023-12-26. Service bulletin. ELECTRICAL SYSTEM. Intermittent No Crank When Ignition Key Is Turned To The Crank.
PIT4945E2023-12-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Diagnostic Tip - Unable to Learn RKE Transmitters.
20-NA-1322023-12-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5074H2023-12-11. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
PIC5652B2023-12-11. Service bulletin. ELECTRICAL SYSTEM. Multi-Axis Acceleration Sensor Module Sets History.
PIC5652A2023-12-11. Service bulletin. ELECTRICAL SYSTEM. Multi-Axis Acceleration Sensor Module Sets History.
PIC5520K2023-12-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE. eAssist Generator Control And Battery Module Exchange Process And Order Instructions.
PIC5520J2023-12-11. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE; ELECTRICAL SYSTEM. eAssist Generator Control And Battery Module Exchange Process And Order Instructions.

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