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Service bulletins for the 2012 Chevrolet Impala

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.

1471 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
PIP5029E2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. 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.
PIP51632017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. 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.
PIP4968F2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. This Preliminary Information communication provides information to the technician about vehicles that have light engine knock on acceleration from a stop. Technician will need to loosen the 2 rear motor mount attaching nuts off the bottom of the mount to cradle, enough to create an air gap and brake torque the engine in drive between 1200 to 1600 RPM range. Replacement of the rear engine mount will be need if the noise is gone or reduced.
06-06-01-010C2017-08-15. Service bulletin. ENGINE. This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
15-NA-0902017-08-15. Service bulletin. STEERING; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; ENGINE; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS. This technical bulletin provides a procedure to replace the power steering fluid cooling pipe and engine oil cooling pipe for concerns of power steering lines or engine oil lines leaking due to rubbing
PIP52262017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
PIP52162017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal debris. Also inspect for damage to the cam caps Journals and camshaft journals on the heads. The check the timing chain idler sprockets for stiffness when turning. If any of these instances would be a cause to replace the engine instead of repair.
PIP5163A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. 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.
PIP5062C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have check engine light and a misfire. Technician will find a P0300 set. If the misfiring cylinder is creating NO or very low power, technician will need to follow these diagnostics steps. 1) Swap the ignition coil and spark plug with another cylinder. 2) Inspect the plug when out for wet or dry condition. 3) Perform an injector test with a scan tool. 4) If the plug is wet then check for a leaking or stuck open injector. 5) If the plug is dry then enrich the intake air with propane. If the severity of the misfire is less with enrichment, suspect a weak or inoperative injector driver in the Engine Control Module and replace as needed. 6) Perform a cylinder leakage test to determine if there is a valve sealing concern. If there is a valve sealing concern see the latest version of PIP5029 for recommendations.
PIP4924D2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp on and a misfire. Technician may find Diagnostic Trouble Codes P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277, P2146, P2149, P2152, P2155, P216A, and or P216D. Technician will need to inspect the fuel injector wiring harness for rub through or internal wire opens. If this concern is found repair or replace the injector harness as needed.
PIP4384H2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician with a supplement to the Service Information timing procedure for the high feature V-6 engine. Technician will also review the training video on the Common Training Website.
PIP51802017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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.
PIP4919C2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see increased black smoke during cold start and should be considered normal.
PIP51912017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being compressed. It the seal is compressed replace the seal and retest.
10-00-89-005F2017-07-18. Service bulletin. EQUIPMENT; ENGINE. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
16-NA-2222017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE.
PIP5282A2017-05-18. Service bulletin. ENGINE. 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.
PIP5029G2017-05-16. 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.
PIP52572017-03-15. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE OIL MIXED IN WITH THE ENGINE COOLANT. TECHNICIAN WILL NEED TO INSPECT THE OIL COOLER IF EQUIPPED FOR POSSIBLE LEAKING INTO THE COOLING SYSTEM THROUGH THE RADIATOR. IF NO ISSUE FOUND REPLACE THE ENGINE AS WELL AS ALL RUBBER COOLANT HOSES.
145882017-01-30. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. "14588 - SPECIAL COVERAGE. ON SOME 2011-2015 MODEL YEAR CHEVROLET CAPRICE AND 2012-2015 MODEL YEAR CHEVROLET IMPALA POLICE PATROL VEHICLES, IDLING THE ENGINE FOR EXTENDED PERIODS OF TIME CAN PREMATURELY WEAR THE ENGINE-COOLING-FAN MOTOR. IN THIS CONDITION, THE MOTOR MAY FAIL TO OPERATE OR OPERATE NOISILY. THIS CONDITION CAN ALSO DAMAGE MOTOR-CONTROL RELAYS IN THE VEHICLE’S UNDERHOOD BUSSED ELECTRICAL CENTER (UBEC). DEALERS ARE TO DIAGNOSE AND REPLACE FAN MOTORS PER PI1384 REGARDING THE SEMI-ANNUAL PREVENTATIVE MAINTENANCE CHECK FOR POLICE VEHICLE COOLING FANS."
14588B2017-01-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. 14588B - SPECIAL COVERAGE (REVISED TO ADD 2016 MY CHEVROLET IMPALA). ON SOME POLICE PATROL VEHICLES, IDLING THE ENGINE FOR EXTENDED PERIODS OF TIME CAN PREMATURELY WEAR THE ENGINE-COOLING-FAN MOTOR. IN THIS CONDITION, THE MOTOR MAY FAIL TO OPERATE OR OPERATE NOISILY. THIS CONDITION CAN ALSO DAMAGE MOTOR-CONTROL RELAYS IN THE VEHICLE’S UNDERHOOD BUSSED ELECTRICAL CENTER (UBEC). DEALERS ARE TO DIAGNOSE AND REPLACE FAN MOTORS PER PI1384 REGARDING THE SEMI-ANNUAL PREVENTATIVE MAINTENANCE CHECK FOR POLICE VEHICLE COOLING FANS.
PI0631F2016-11-23. Service bulletin. ENGINE; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE ENGINE WIRE HARNESS AND INSTALL A PATCH ONTO THE TRANSMISSION TO CORECT A CONDITION OF MALFUNCTION INDICATOR LAMP (MIL) ON, VARIOUS DTCS SET, IPC INOPERATIVE, DISPLAY AND/OR BCM FUSE BLOWN
PIP5385A2016-11-03. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSING THE CONCERN. THE VEHICLE MAY HAVE A SERVICE ENGINE SOON LIGHT ON OR REDUCED ENGINE POWER MESSAGE ON THE DIVER INFORMATION CENTER.
PIP4786C2016-10-20. Service bulletin. ENGINE AND ENGINE COOLING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. TECHNICIAN SHOULD FOLLOW ALL PUBLISHED SERVICE INFORMATION DIAGNOSIS. WHEN USING A SCAN TOOL IF THE OIL PRESSURE IS LOW BUT THE OIL PRESSURE AT THE OIL FILTER HOUSING IS CORRECT, TECHNICIAN SHOULD INSPECT THE VALVE LIFTER OIL FILTER FOR DEBRIS/SLUDGE THAT COULD BE RESTRICTING OIL FLOW TO THE OIL PRESSURE SENSOR. TECHNICIAN SHOULD REMOVE THE VALVE LIFTER OIL FILTER AND CLEAN IT. IF THE VALVE LIFTER OIL FILTER CANNOT BE CLEANED REPLACE IT.
PI1394A2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE.

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