Service bulletins for the 2014 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.
1567 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Engine are shown. Show all
| analysis list 03 | 2018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; EQUIPMENT:ELECTRICAL. MIL-on fault P2407 in the ECM |
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| analysis list 06 | 2018-12-10. Service bulletin. ENGINE; ELECTRICAL SYSTEM. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles |
| TT 21 18 01 | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Incorrect removal of Turbocharger oil feed line may cause engine damage |
| TT 10 12 01 | 2018-12-10. Service bulletin. ENGINE. Engine replacement tip |
| Final Months of | 2018-12-10. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Email_Important TDI Announcement - Final Months of 2.0L Claims Program_VW |
| 2 2-0 Liter Cust | 2018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE. Temporary Pause of Generation 2 2.0 Liter Customer Modifications |
| Service Action 2 | 2018-12-10. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SERV_ACT - Engine Control Module (ECM) Software |
| Service Action 2 | 2018-12-10. Service bulletin. ENGINE; ELECTRICAL SYSTEM. SERV_ACT - Engine Control Module (ECM) Software |
| V171802-2037201 | 2018-12-10. Service bulletin. ENGINE. Update to include additional model and model year applicability. |
| Emissions Servic | 2018-12-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. The reductive agent fluid (AdBlue) could contaminate the temperature sensor, causing the Malfunction Indicator Light (MIL) to come on. Additionally, high heat levels can cause the AdBlue fluid to react with the heating fins, causing a variation in internal resistance and the MIL to come on. If the MIL is on, the vehicle will not pass an emissions inspection. |
| Emissions Servic | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT ADAPTIVE/MOBILITY. The reductive agent fluid (AdBlue) could contaminate the temperature sensor, causing the Malfunction Indicator Light (MIL) to come on. Additionally, high heat levels can cause the AdBlue fluid to react with the heating fins, causing a variation in internal resistance and the MIL to come on. If the MIL is on, the vehicle will not pass an emissions inspection. |
| TT 19 18 01 | 2018-12-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE. Alternate diagnostic process for overheating. |
| TT 10 18 01 | 2018-12-03. Service bulletin. ENGINE. Diagnostic protocol for engine noise with cam timing faults |
| V171803-2037201 | 2018-12-03. Service bulletin. EQUIPMENT; ENGINE. Technicians may find during PDI that the oil level is below the full mark, but still within the hash marks on the engine oil dip stick. |
| SM 59-2017 | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This special notice is to inform dealers to return all part numbers listed in the document. Only superseded part numbers to be ordered going forward. |
| On-car analysis | 2018-09-17. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING. On-car analysis list of Customer Complaints: Mil-on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE AND ENGINE COOLING. On-car analysis list for Customer Complaint: Mil?on with fault code P046C, untouched vehicles |
| On-car analysis | 2018-09-17. Service bulletin. ENGINE. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles |
| On-car Analysis | 2018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. On-car analysis list of customer compliants: Mil?on with fault code P046C, untouched vehicles |
| On-Car Analysis | 2018-08-06. Service bulletin. ENGINE; EQUIPMENT:ELECTRICAL. On-car analysis list of customer compliants Customer Complaint: Mil?on no electric drive mode, untouched vehicles |
| On-Car Analysis | 2018-08-06. Service bulletin. ENGINE; EQUIPMENT:ELECTRICAL. On-car analysis list of customer compliants Customer Complaint: Mil?on no electric drive mode, untouched vehicles |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.