WenmarOpen by Wenmar Pro

Service bulletins for the 2019 Chevrolet Malibu

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.

895 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
19NA2252020-04-06. Service bulletin. ENGINE; EQUIPMENT; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to locate and repair the engine wiring harness if found the cause of the DIC Messages, MIL Illumination and DTCs Set.
18NA0732020-03-30. Service bulletin. EQUIPMENT; ENGINE. This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
18NA0692020-03-30. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the CAC if found the cause of the poor engine performance from ice build up.
PIP5417C2020-03-09. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. The technician is directed to perform the testing and to check related components based on the results.
15NA0102020-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
N1922712002020-02-10. Service bulletin. ENGINE AND ENGINE COOLING. N192271200 - Emission Recall. Certain vehicles equipped with a 1.5-liter, 4 cylinder engine (RPO LYX or LFV). Under certain conditions the engine intake charge air cooler outlet duct may become disconnected from the throttle body when turbo boost is active. If this condition occurs, a reduced engine power message will be displayed, the available engine power will be reduced, the engine may run rough, and the malfunction indicator lamp (check engine light) will illuminate. When the vehicle reaches low speed or idle, the engine could stall. If this condition occurs the engine control module will set one or more of these diagnostic trouble codes: P0172 (Fuel Trim System Rich), P0299 (Engine Underboost), P0101 (Mass Air Flow (MAF) Sensor Performance), P1101 (Intake Air Flow System Performance), or P0506 (Idle Speed Low). Dealers are to install an improved charge air cooler retainer.
010601011K2019-11-25. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
18NA0692019-11-25. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the CAC if found the cause of the poor engine performance from ice build up.
PIP5402E2019-11-12. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
19NA2252019-10-28. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to locate and repair the engine wiring harness if found the cause of the DIC Messages, MIL Illumination and DTCs Set.
Continental_HPS_2019-10-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. A loss of electrical connection, which may result in loss of engine power.
N192266090 032019-10-21. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. N192266090 03 - Customer Satisfaction Program. On certain vehicles, Dealers are to install a charge air cooler retainer kit. the charge air cooler outlet may become disconnected from the throttle body. A malfunction indicator light (MIL) will set on the instrument panel and a reduced engine power message will illuminate followed by reduced engine power. One or more of the following diagnostic trouble codes may be present: P0172, P0299, P0101, P1101, P0506. The vehicle may also run rough and could stall at low speed or idle conditions.
090604026R2019-09-23. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
070601016F2019-09-23. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
000601026M2019-09-23. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
090604026Q2019-07-29. Service bulletin. ENGINE; EQUIPMENT. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
19NA1042019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
PIP5651B2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIP5657A2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.
PIP5651A2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIP56572019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.
18NA2462019-07-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
16NA3832019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
PIP56472019-06-10. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.
PIP5569A2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.

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