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Service bulletins for the 2020 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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
060089029T2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
060089029S2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
20NA0472020-05-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0112020-05-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Voice Recognition Launches or Radio Station Changes to an Adjacent Favorite Without Any Button Press.
19NA2002020-05-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.
19NA1702020-05-26. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace both pressure sensors if the DATA retrieved reads zero PSI and is the cause of the MIL Illuminated condition.
PIT5195F2020-05-11. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIP5647A2020-05-11. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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.
20NA0462020-04-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This Technical bulletin provides a procedure to correct a condition of MIL Illuminated-DTC P0365 and/or P0366 Set.
N2022958002020-04-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Service Update - Exhaust Cam Position Sensor Fault - Certain 2020 model year Chevrolet Malibu vehicles will set a false diagnostic trouble code (DTC) due to the cam phaser not parking fully. Customers could experience a malfunction indicator light (MIL) and/or a reduction of power. Dealers will reprogram the engine control module. (ECM)
PIP5697B2020-04-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
20NA0112020-04-06. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Voice Recognition Launches or Radio Station Changes to an Adjacent Favorite Without Any Button Press.
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.
PIP5704A2020-03-09. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
030846004W2020-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).
20NA0132020-03-09. Service bulletin. SERVICE BRAKES, ELECTRIC; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Electronic Brake Control Module Unable to Be Reprogrammed.
19NA2792020-03-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Technical bulletin provides a procedure for dealers/technicians on Radio Software Version V807 Over-the-Air Update.
PIT5411R2020-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
19NA2002019-12-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.
19NA2012019-10-28. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains how the DTC P0730 code may have set during vehicle transport and is considered a false code unless the customer states the MIL is on and possible other codes are present.
PIP5657B2019-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.
PIP4670H2019-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PI0592E2019-09-23. Service bulletin. ELECTRICAL SYSTEM. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).

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