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Service bulletins for the 2018 Volkswagen Beetle

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.

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

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Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
V012302_20695882023-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. EVAP components available separately or as an assembly.
Dealer 24GA2020-10-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL).
Circular24GAREV12020-10-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). Problem description updated.
TT 01 18 142019-06-11. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); EQUIPMENT ADAPTIVE/MOBILITY. Alternative diagnosis for lean fuel trim.

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