Service bulletins for the 2018 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.
1077 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
| PIP5597 | 2018-11-13. Service bulletin. ENGINE; EQUIPMENT:OTHER:LABELS. This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. |
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| PIP5320G | 2018-11-13. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance. |
| PIC6161C | 2018-11-13. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have unwanted engine flairs while the vehicle is at steady state speed or while the vehicle is slowing. Dealer should communicate to the customer this behavior is a normal operating characteristic of the 5ET50/MKV drive unit. |
| PIP5598 | 2018-11-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. |
| PIC6229C | 2018-10-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern.Technician will use this publication to reset the battery low state of charge concern after extended crank where the vehicle will no longer crank anymore and the cause of the no start concern is repaired.If Diagnostic Trouble Code P0AFA is the only Diagnostic Trouble Code set this could be caused by an internal fault in the high voltage battery and SI diagnosis will have to be followed for further diagnosis. |
| 18239 | 2018-10-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 18239 - Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2018 model year vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). On some vehicles, an electrical connection in the circuit board may fail in the engine control module. If this occurs, a malfunction indicator lamp (MIL), such as the Check Engine Light may illuminate. Replace the Engine Control Module (ECM). |
| PIP5472E | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician is advised to first perform the SI diagnostic. That if the diagnostic fails to isolate the concern, then replace only the exhaust side SHLA's (Stationary Hydraulic Lash Adjuster) and to retest for the concern. |
| PIP5557C | 2018-09-17. Service bulletin. ENGINE; POWER TRAIN. This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to replace the plate as necessary. |
| PIP5163D | 2018-09-17. 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. |
| PIP5402D | 2018-08-20. 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. |
| PIP5320F | 2018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance. |
| PIP5373B | 2018-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue. |
| PIP5519A | 2018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. |
| 00-06-01-026J | 2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage. |
| PI0653E | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. |
| 060601010D | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. |
| 18NA015 | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way. |
| 16NA051 | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. |
| 17NA007 | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to install a anti rattle spring on the actuator arm for the turbo and to correct the customers concern of a rattle noise heard from front of the engine. |
| 070604019F | 2018-06-04. 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. |
| 040730013D | 2018-06-04. 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. |
| 010601011J | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| PIC6303 | 2018-05-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request. |
| PIP5163C | 2018-05-21. 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. |
| PIP5320E | 2018-05-21. Service bulletin. ENGINE; EQUIPMENT. This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to call General Motors Technical Assistance Center for further assistance. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.