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: Transmission and driveline are shown. Show all
| PIP5697A | 2020-04-13. Service bulletin. ENGINE; EQUIPMENT; POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. |
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| 18NA035 | 2020-03-30. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides information on a normal characteristic of a transmission that will not shift into overdrive range during cold ambient temperatures. |
| 19NA206 | 2020-03-02. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION. This technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. |
| PIP5697 | 2020-02-10. Service bulletin. POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. |
| 16NA019 | 2019-12-16. Service bulletin. POWER TRAIN. Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. |
| PIP5621A | 2019-12-09. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. |
| 990420002K | 2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. |
| 16NA338 | 2019-11-25. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 18NA297 | 2019-10-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. |
| 19NA206 | 2019-10-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. |
| 080730026F | 2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| PIC6244D | 2019-08-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Technician will find Diagnostic Trouble Codes P1AEE, P1AEF, P1AF0, P1AF2, and P1E22. Technician will need to replace the transmission. Technician will need to review the latest version of PIP5321 for the Volt and PIP5390 for the Malibu. |
| 16NA338 | 2019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 030729004L | 2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. |
| 19NA032 | 2019-05-20. Service bulletin. ENGINE; POWER TRAIN. This technical bulletin provides a procedure to swap the knock sensor 1 with knock sensor 2 to correct a lack of power or hesitation After Vehicle has reached operation temperature condition. |
| 18NA297 | 2019-05-20. Service bulletin. POWER TRAIN. This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. |
| 18NA121 | 2019-04-22. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. |
| 18NA297 | 2019-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. |
| 17NA066 | 2019-03-25. Service bulletin. POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. |
| 16NA338 | 2019-03-18. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns. |
| PIP5390G | 2019-03-18. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. The dealer will need to call General Motors Technical Assistance Center (Technical Assistance Center) for further assistance. |
| 18NA035 | 2019-03-18. Service bulletin. POWER TRAIN. This informational bulletin explains a normal characteristic of a trans shift when cold temps are present. |
| PIP5390H | 2019-03-11. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program that has ended. |
| PIP5390F | 2018-11-13. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. The dealer will need to call General Motors Technical Assistance Center (Technical Assistance Center) for further assistance. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.