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Service bulletins for the 2015 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.

1134 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
TT 58 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Key Battery Diagnostic Process
TT 01 18 102018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Direction to verify software levels to address P1612/U03000
TT 26 18 042018-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. DTC diagnostic information.
TT 00 18 062018-12-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Addressing concerns after campaign 24DR software update
V011812-20146032018-12-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Update content and include additional models and model year applicability.
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 012018-12-03. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Update to model year applicability and Battery testing information.
A971861 2013504-2018-09-17. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains instructions for checking the pins/terminals for contacts and nano contacts.
TT9116132018-04-16. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. Updated diagnostic direction to address new concerns in regards to Apply CarPlay Connection on MIBII equipped vehicles. Update models and model year applicability.
TT2717032018-04-16. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: RADAR; LANE DEPARTURE: SENSING SYSTEM: RADAR; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR; ELECTRICAL SYSTEM. Information to assist with preventing calibration errors
TT0017032018-04-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tip for Scan tool concerns that may occur duing a test plan
Quick Reference2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference of vehicle concerns. Includes a list of Software versions and the technical bulletin numbers that referred to the concerns Updated
Dealer Letter an2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VOLKSWAGEN DEALERSHIP COMMUNICATION (Upcoming Update 23O9 ? 2.0L TDI ECM Software Update with 2.0L TDI engine): This document is a notice to dealships that an software update will be avaliable for vehicles with the 2.0L TDI engine. It also states that Elsa and ServiceNet will have additional information and complete repair instructions
TT571601 20443052018-03-13. Service bulletin. ELECTRICAL SYSTEM. Diagnostic reference chart to assist the technician in diagnosis of remote starter concerns, updated to reflect the module being addressed.
V261606 20394362018-03-13. Service bulletin. ELECTRICAL SYSTEM. Update TB to include AdBlue refill quantity per repair.
VIN-4-A-PIN 7-312018-02-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE; ELECTRICAL SYSTEM; INTERIOR LIGHTING; STRUCTURE:BODY. On-car analysis list of Customer Complaints: Customer states the oil light is on
TT 91-14-01 5-1-2018-02-05. Service bulletin. ELECTRICAL SYSTEM. Tech Tips: Car Net Equipped Vehicles False Outbound Call issues
TT 91-14-01 May2018-02-05. Service bulletin. ELECTRICAL SYSTEM. Tech Tips: Car Net Equipped Vehicles False Outbound Call issues
Ref. - Reflash U2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference Update Guide of the vehicles expected upgraded software level. The latest corresponding technical bulletins that address the issues, and concerns that have been had with the vehicles.
Update Bulletin2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. UPDATE Technical Bulletin (2.0L TDI ECM Software Update): This update has been proactively released to prevent a MIL on condition. Updated ECM software is available to bring the vehicle up to the most current factory specifications. The document also contains the Update Programming Procedure
TT011702-20467252018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. A reminder NOT to use Bluetooth and WiFi when updating 23Q3 software.
VIN-4-A-PIN July2018-02-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. MIL-on P0420 and/or P0430 in the ECM
23Q3 Circular re2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven.
Update Bulletin2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. UPDATE Technical Bulletin 37J2 UPDATE - AQ250 TCM Software (FED_EMS): This update has been proactively released to prevent harsh shifting and perceived hesitation.
Update 021220162018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference of vehicle concerns. Includes a list of Software versions and the technical bulletin numbers that referred to the concerns Updated

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