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GMC TSB #N232395310
2021 GMC Sierra 1500
TSB Document:
Affected Component: FUEL SYSTEM, GASOLINE
- Summary
- Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. Dealers are to replace the evaporative emissions purge pump as necessary. The repairs will be made at no charge to the customer. The repairs will be made at no charge to the customer.
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