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Service bulletins for the 2018 Volkswagen Atlas

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.

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

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Only bulletins with component: 12-volt battery are shown. Show all

Bulletins, newest first
V2719012011894242023-08-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Testing and Charging using Midtronics VAS6161 and or GRX3000 Vas Charger
TT 27 20 02_32023-06-06. Service bulletin. EQUIPMENT:OTHER:LABELS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery adaptation procedure when battery label is missing.
V2715032016076112022-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Discharged Battery, Diagnosis for excessive current draw.
TT 27 20 02_12021-01-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS. Battery Id for testing
TT 27 19 032020-07-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. Diagnostic for no crank concern.
Circular26N6REV12020-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Over time and mileage, the factory-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions (IM) inspection. Updated claiming instructions to include connecting battery charger. Updated parts return core information in Section E.
Circular26M4REV12020-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Over time and mileage, the factory-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions (IM) inspection. Updated claiming instructions to include connecting battery charger.
VWP-19-032019-07-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Document informs dealers on the new warranty extension of the 12 Volt Battery Warranty Extension for certain Atlas vehicles
TT 01 19 052019-05-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. Battery disconnect instructions for Atlas.
V271902-20339782019-04-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update to model year applicability. Generator Replacement Charging System inoperative/malfunctions, noise from engine compartment, accessory drive belt damaged or missing.
TT 27 19 012019-04-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. Start/Stop diagnosis.
TT 27 19 012019-04-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start/Stop diagnosis.
TT 27 18 092019-03-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Adaptation.
TT 58 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Key Battery Diagnostic Process
TT 57 18 022018-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. Remote Ket battery diagnostics. Updated to change incorrect repair manual group number (from TT581801 to TT571802)
TT 27 18 022018-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery replacement type information.
TT 27 18 012018-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update to model year applicability and Battery testing information.

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