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Service bulletins for the 2012 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.

1572 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TB0113162023-08-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update Programming of ECM for Concerns of a Bump Sensation after Coming to a Stop
TB0113142023-08-28. Service bulletin. ENGINE AND ENGINE COOLING. Engine, Misfire Diagnostic Aid
TB0113102023-08-28. Service bulletin. ENGINE AND ENGINE COOLING. Engine, Misfire Diagnostic Aid
TB0113032023-08-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update Programming MIL ON, DTCs P050E, P2080, P244C and/or P2478 Stored in ECM Fault Memory
TB0012322023-08-28. Service bulletin. ENGINE AND ENGINE COOLING. DTC P0441 Stored in the Engine Control Module
TB0014132023-08-28. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Fuel Additive to Help Prevent Sporadic Misfire Faults
TB0014032023-08-28. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Fuel Additive to Help Prevent Sporadic Misfire Faults
TB0014022023-08-28. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Fuel Additive to Help Prevent Sporadic Misfire Faults
TB0014012023-08-28. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Fuel Additive to Help Prevent Sporadic Misfire Faults
AnalysisQ2023-08-21. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING; POWER TRAIN. Please contact VW Helpline before attempting repair
Analysis02023-08-21. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING; POWER TRAIN. Please contact VW Helpline before attempting repair
AnalysisN2023-08-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:ELECTRICAL; POWER TRAIN. Please contact VW Helpline before attempting repair
AnaylsisM2023-08-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; EQUIPMENT:ELECTRICAL. Please contact VW Helpline before attempting repair
AnalysisL2023-08-21. Service bulletin. POWER TRAIN; EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING. Please contact VW Helpline before attempting repair
Action20T8b2023-08-14. Service bulletin. ENGINE AND ENGINE COOLING. Install Misfueling Guard
Action23N52023-08-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). ECM Software
Guide2023-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). P0102, P1128, P1296 - WA front oxygen sensor faults
23N52023-08-14. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, DIESEL. Some vehicles may experience exhaust turbocharger failure (under extreme cold weather conditions) in a brief time period after initial vehicle start up.
V1719012012855642023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Volkswagen Engine oil quality standards, update to attachments.
2814042023-07-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). MIL ON - Glow Plug Pressure Sensor Faults Stored in ECM Fault Memory
2814032023-07-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). MIL ON - Glow Plug Pressure Sensor Faults Stored in ECM Fault Memory
2614012023-07-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. MIL ON, DTC P204F Stored, Ad Blue Warning Light XXX Miles to No Restart Displayed
2314012023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON in Sub-Freezing Conditions (DTC P0087), Engine Cranks but does not Start
2114062023-07-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; BACK OVER PREVENTION. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.
2114052023-07-31. Service bulletin. BACK OVER PREVENTION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Check Engine Light ON, Reduced Performance or Noise from Turbocharger. DTC P0299 may be stored in ECM.

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