Service bulletins for the 2018 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.
899 on file from NHTSA, as of 2026-10-19.
About P1101 on the 2018 Buick Encore: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: P1101 are shown. Show all
| 20-NA-047 | 2023-01-25. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct customer concerns of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
|---|---|
| 20NA047 | 2021-05-24. Service bulletin. POWER TRAIN. This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 20NA047 | 2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 20NA047 | 2020-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 20NA047 | 2020-05-26. 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. |
| 20NA047 | 2020-04-27. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 20NA047 | 2020-03-30. Service bulletin. EQUIPMENT. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 18NA333 | 2019-08-19. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of malfunction indicator lamp (MIL) on, whistle type noise at startup, DTC P1101 set. |
| PIP5240F | 2019-08-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0171 and or P1101 set. Technician will need to inspect the Air Cleaner Housing. If the air cleaner housing does not have the correct content for the engine application as shown, dealer is instructed to replace the Air Cleaner Housing with the latest part listed in the Electronic Parts Catalog. |
| PIP5240E | 2018-06-18. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0171 and or P1101 set. Technician will need to inspect the Air Cleaner Housing. If the air cleaner housing does not have the correct content for the engine application as shown, dealer is instructed to replace the Air Cleaner Housing with the latest part listed in the Electronic Parts Catalog. |
| PIP5240D | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0171 and or P1101 set. Technician will need to inspect the Air Cleaner Housing. If the air cleaner housing does not have the correct content for the engine application as shown, dealer is instructed to replace the Air Cleaner Housing with the latest part listed in the Electronic Parts Catalog. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.