Service bulletins for the 2017 Buick Encore
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.
1121 on file from NHTSA, as of 2026-10-19.
About P0340 on the 2017 Buick Encore: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0340 are shown. Show all
| PIP5482A | 2019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC's P0335 P0340 P0365 set current or in history. The Technician is advised to Perform the Battery Inspection/Test in Service Information using the GR8/EL 50313 - 20 Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing. |
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| PIE0416A | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set. |
| PIE0416 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information — Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set. |
| PIP5482B | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing. |
| PIP5482 | 2017-08-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.