WenmarOpen by Wenmar Pro

Service bulletins for the 2012 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.

1749 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
040730013D2018-06-04. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
010601011J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
08-06-01-006D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition.
PI09782018-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This preliminary informational bulletin provides information on Chevrolet Cruze Clean Turbo Diesel New Model Features and Service Guide.
11-00-90-001B2018-06-04. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides a revision 11-00-90-001A to add the 2014 model year. Also, a bullet was added to the dexos 2? section with information on the 2014 Cruze diesel.
06-00-89-026K2018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This informational bulletin provides a revision for 06-00-89-026J to add the 2014 model year and update the labor operations.
PI0604C2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. This preliminary informational bulletin provides a revision to update the model information and information under Oil Pump Assembly.
PI0653B2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers.
12-07-30-001C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
PI11732018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; EQUIPMENT. This preliminary information bulletin provides a procedure to install a new belt and pulley to correct the customers concern of a rattle and chirping noise.
11-00-90-001A2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
12238B2018-05-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 12238B - Service Update (revised population). 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.
PI0562E2018-05-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This preliminary informational bulletin provides a procedure to reprogram the ECM for concerns regarding a loud rattle noise on start up that stops in 3 seconds or less.
09-00-89-002L2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
17-NA-0842018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to Complete the Circuit/System Verification steps to correct a condition of Malfunction Indicator Lamp (MIL) - Check Engine Light On, DTC P182E.
12-07-30-001D2018-05-21. Service bulletin. POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
02-07-30-029W2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
PI1223A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary bulletin explains a normal condition of a customers concern of a rough idle and black smoke on cold starts.
13-06-01-003F2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to test for oil consumption and install new pistons and rings if no signs of consumption or oil leaks have been validated.
02-07-30-029V2018-05-21. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
13-06-01-003E2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to test for oil consumption and install new pistons and rings if no signs of consumption or oil leaks have been validated.
PI1173A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This preliminary bulletin provides a procedure to replace the main drive belt and tensioner.
00-06-01-012E2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
PIP5163C2018-05-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.

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