The vehicle dossier US · 2021
2021 Chevrolet
BLAZERProblems & recalls
133 distinct owner reports in the NHTSA snapshot. Engine appears in 44 of them. Explore what was reported—and which official actions are on file.
01 / Owner-reported evidence
What owners reported.
Categories attached to 133 distinct reports. A report can mention more than one component, so category totals can overlap.
See original component labels
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 6 years with reports.
36,000 miles is the median among 25 reports with usable mileage. The middle half spans 20,000–63,000 miles.
This describes the submitted reports. It does not predict when a vehicle will fail.
02 / Official safety campaigns
1 recall campaign 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.
SEAT BELTS:CRITICAL FASTENERSCampaign 20V811000
Reported concern
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
Manufacturer’s stated response
GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
Manufacturer campaign: N202322230
Read campaign 20V811000 at NHTSA03 / The manufacturer’s record
Instructions. Updates. Responses.
812 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.
PIP4902WThis 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 NHTSAPIC6551CThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesNHTSA ID 11036392
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11036392 at NHTSAPIT5099JPI 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 NHTSAPIT5966FThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.NHTSA ID 11034769
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11034769 at NHTSAPIC6423APi created to provide GM dealers with information on gathering information for projection issueNHTSA ID 11032764
Pi created to provide GM dealers with information on gathering information for projection issue
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11032764 at NHTSAPIC6551BThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesNHTSA ID 11032763
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11032763 at NHTSAPIT3271QThis 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 NHTSAN25-250552Improvements to OnStar functionality.NHTSA ID 11030532
Improvements to OnStar functionality.
Campaign / software reference: N25-250552
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11030532 at NHTSAPIP6104This 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 NHTSAPIP4902VThis 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 NHTSAPIT6425DThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ssNHTSA ID 11029950
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
Components: UNKNOWN OR OTHER. Confirm detailed applicability in the original document.
Source record 11029950 at NHTSAN252516900-01Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow…NHTSA ID 11028909
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.
Campaign / software reference: N252516900-01
Components: FUEL/PROPULSION SYSTEM. Confirm detailed applicability in the original document.
Source record 11028909 at NHTSARecords 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.
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