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Service bulletins for the 2021 Volkswagen Passat

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.

349 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
V8718082049039212024-04-04. Service bulletin. UNKNOWN OR OTHER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REFRIGERANT HOSES AND FITTINGS. Air Conditioning, Cleaning of the R1234yf Refrigerant Circuit (U.S. Only) updated to adjust Flush machine filter pricing.
TT 87 19 02_32024-02-06. Service bulletin. UNKNOWN OR OTHER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR:CLUTCH. A/C Compressor leak diagnosis
V8718102043704212023-12-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Reporting procedure for A/C compressor replacement regardless of the reason for failure. Update to model year applicability and new warranty GFF labor operation number
V8718102043704172022-12-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C requirements, update to model year applicability.
V8718082049039172022-12-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Cleaning of R1234YF Refrigerant Circuit. Updated to include additional model year applicability and front bumper R & I clarification.
TT 87 19 02_22022-09-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Additional instruction before replacing A/C compressor. Updated to include additional model and model year applicability.
V8718122005566272022-06-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Cleaning of Heating and Ventilation system, Updated to include additional model year applicability and cost of cleaning solution in warranty table.
V8718082049039_12021-10-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Cleaning of R1234YF Refrigerant Circuit. Updated to add "Atlas Only" to clamping washer required part in parts table.
V8718102043704162021-09-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C Compressor replacement requirements, updated to include additional model year applicability.
V8718082049039112021-08-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Cleaning of R1234YF Refrigerant Circuit
V8718122005566262021-06-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Removing musty odor from A/C system. Updated to include additional model and model year applicability.
V8720022061094-12020-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Using Nitrogen to assist in finding A/C refrigerant leaks.
V8718102043704122020-09-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Statement referring to TB 2043893 removed. To include additional models and model year applicability. A.C. Compressor Replacement, GFF Required Regardless of Concern and Flush Requirement

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.