The vehicle dossier US · 2018

2018 Buick
ENCOREProblems & recalls

74 distinct owner reports in the NHTSA snapshot. Engine appears in 31 of them. Explore what was reported—and which official actions are on file.

Snapshot Sep 28, 2026Live NHTSA complaint API How this dossier is compiled

01 / Owner-reported evidence

What owners reported.

Categories attached to 74 distinct reports. A report can mention more than one component, so category totals can overlap.

Engine31 reports
Other components20 reports
Brakes11 reports
Transmission & drivetrain10 reports
Air bags10 reports
Electrical system9 reports
Fuel system6 reports
Steering6 reports
Visibility1 reports
Body & structure1 reports
See original component labels
ENGINE29
SERVICE BRAKES11
UNKNOWN OR OTHER10
POWER TRAIN10
AIR BAGS10
ELECTRICAL SYSTEM9
FUEL/PROPULSION SYSTEM6
STEERING6
ELECTRONIC STABILITY CONTROL (ESC)5
VEHICLE SPEED CONTROL2
ENGINE AND ENGINE COOLING2
SEAT BELTS2
VISIBILITY/WIPER1
EXTERIOR LIGHTING1
WHEELS1
LATCHES/LOCKS/LINKAGES:DOORS:LATCH1
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS1
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL1
STRUCTURE:BODY1

These are reports made to NHTSA, not verified diagnoses. More reports can reflect more vehicles, more time on the road, or greater reporting activity.

The reporting timeline

When reports arrived.

Reports by year filed, not by the year a problem occurred. Showing the latest 9 years with reports.

Year filed (last two digits)Latest report: Aug 2, 2026
Mileage, where supplied

19,667 miles is the median among 28 reports with usable mileage. The middle half spans 7,132–54,000 miles.

This describes the submitted reports. It does not predict when a vehicle will fail.

02 / Official safety campaigns

0 recall campaigns on file.

A campaign can cover only certain production dates or configurations. The count does not tell you whether an individual car has an open recall.

No campaigns matched this model-year in the imported recall files. This is not confirmation that a particular VIN has no open recalls.
Check this car’s VIN at NHTSA

03 / The manufacturer’s record

Instructions. Updates. Responses.

898 distinct communications list this model-year. Showing the latest 12. A matching model-year does not establish that every engine, trim or reported symptom is covered.

Sep 4, 2026 Service Bulletin/Repair InstructionsPIP4902WThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.NHTSA ID 11037253

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11037253 at NHTSA
Jul 21, 2026 Service Bulletin/Repair InstructionsPIT5099JPI to help diagnose A/C concernNHTSA ID 11035340

PI to help diagnose A/C concern

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11035340 at NHTSA
Apr 1, 2026 Service Bulletin/Repair InstructionsPIT3271QThis preliminary information communicates information about how to determine if a wheel and tires size change is available.NHTSA ID 11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11030974 at NHTSA
Mar 9, 2026 Service Bulletin/Repair InstructionsPIP6104This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.NHTSA ID 11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11030092 at NHTSA
Mar 9, 2026 Service Bulletin/Repair InstructionsPIP4902VThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.NHTSA ID 11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11030091 at NHTSA
Jan 8, 2026 Service Bulletin/Repair InstructionsPIP4902UThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.NHTSA ID 11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11027601 at NHTSA
Nov 20, 2025 Service Bulletin/Repair InstructionsPIT5214GThis Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without u…NHTSA ID 11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11025755 at NHTSA
Sep 9, 2025 Other13598New Vehicle Monitoring Programs Section in IVHNHTSA ID 11023091

New Vehicle Monitoring Programs Section in IVH

Campaign / software reference: 13598

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11023091 at NHTSA
Aug 14, 2025 Service Bulletin/Repair InstructionsPIP4902TThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.NHTSA ID 11022084

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11022084 at NHTSA
Aug 7, 2025 Service Bulletin/Repair InstructionsPIC5650MThis Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagno…NHTSA ID 11021792

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11021792 at NHTSA
Jun 20, 2025 Service CampaignN252494770-01Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provide…NHTSA ID 11019670

Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11019670 at NHTSA
Jun 18, 2025 Service Bulletin/Repair InstructionsPIC6086JThis PI communicates a procedure to clean oil leaking from the rain sensor.NHTSA ID 11019829

This PI communicates a procedure to clean oil leaking from the rain sensor.

Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.

Source record 11019829 at NHTSA
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Records below contain the NHTSA bulk summary unless a document-reviewed explainer is linked. A service bulletin is not a safety recall or a promise of a free repair. Records may be revised or superseded; verify the current document with the manufacturer.

04 / Agency investigations

Official inquiries.

An investigation is an inquiry into a potential concern. Its presence does not establish a defect, and a closed case does not certify a car’s condition.

No investigation records matched this model-year in the snapshot.

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