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Service bulletins for the 2012 Buick Verano

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.

1487 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP5540A2018-02-21. Service bulletin. ENGINE. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP3535C2018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication informs dealer technicians of a potential whining noise that can occur after servicing the water pump, water pump chain or cylinder head without use of the water pump sprocket holding tool. Dealers are advised this condition is the result of a water pump chain tensioner ratcheting out. The dealer is directed to follow service information to reset the water pump chain tensioner to correct.
01-06-01-011I2017-12-22. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
PI08652017-12-22. Service bulletin. ENGINE. This preliminary information bulletin provides information regarding all the components that are included when ordering a new service 2.4L Ecotec engine.
00-06-01-026H2017-12-22. Service bulletin. ENGINE. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage.
09-06-04-026E2017-10-12. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2
13-06-01-003H2017-08-31. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the pistons, connecting rods and bearings for vehicles that have the condition of excessive oil consumption
PIP5232B2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PIT4943D2017-08-15. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442 has been verified do not disturb any of the fuel system components. The technician now can use the scan tool to close the Evaporative Emissions System. If possible change the tank pressure sensor units from inch_H2O to milimeter_Hg for better resolution. Now the vehicle can be stared to monitor the tank pressure sensor output value for approximately two minutes. If the tank pressure sensor value does change, pressurize the fuel tank side of the purge solenoid with the GE 41413-A / J 41413-A and the necessary adaptors. Now add smoke and allow pressure to stabilize for 2 minutes. If smoke is allowed to pass through the purge solenoid, replace the purge solenoid. If the tank pressure sensor value does not change, then install CH-48096 adaptor between the purge line from the canister and the purge solenoid. With the Evaporative Emissions System closed, pressurize the system through the CH-48096 adaptor and allow the system to completely stabilize, by observing the Press / Vac Gauge for a minimum of 5 minutes. Now add smoke to the system with GE 41413-A / J 41413-A after system stabilization. Now inspect the purge solenoid, engine side, fuel cap, canister vent solenoid filter and any line quick connects. When the leak is unable to be located, test under a vacuum condition. his type of leak may be detected by using the scan tool Purge/Seal function to create a vacuum in the Evaporative Emissions System and then observe the FTP sensor parameter for vacuum decay.
PIP5163B2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary Information communication provides information to the technician about engine block that have a 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.
PIP5029F2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed.
PIP52822017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all General Motors powertrains except the Volt. The third pathway for oil life calculation is the amount of time the oil is in the engine. The Volt uses a 2 year timer instead of 1 year. It also uses the engine revolution counter. It does not use the mileage pathway to count down.
PI1223B2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin provides information on black smoke and rough idle on cold start.
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.
PIP5232C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire.
11-00-90-001A2017-08-15. 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.
00-06-01-026G2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
15-00-90-0012017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
07-06-04-019E2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
15-00-89-004A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
00-06-01-026F2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
PI14222017-08-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides repair information to correct a customer concern on an intermittent crank/no start in cold climate conditions, or a technician finding DTC P1682 set as current or in history.
13-06-01-003G2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. This technical bulletin provides diagnostic and repair information on performing an oil consumption test and/or installing piston and piston ring kit to correct a customer concern for excessive oil consumption.
06-00-89-026L2017-08-15. Service bulletin. SERVICE BRAKES; EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
06-06-01-010B2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. This informational bulletin provides information on close-coupled converter and engine replacement.

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