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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: Electrical system are shown. Show all

Bulletins, newest first
TB1914012023-08-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Electric Coolant Fans Continue to Run after Ignition is Switched OFF
TB1913032023-08-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Electric Coolant Fans Continue to Run after Ignition is OFF
TB1913012023-08-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Electric Coolant Fans Continue to Run after Ignition is OFF
TB0114072023-08-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER. Software Version Management
TB0114012023-08-28. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Update Programming for Engine Control Module and Transmission Control Module, for Shudder and/or Slight Hesitation Concerns
TB0113352023-08-28. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); POWER TRAIN. Update Programming for Engine Control Module and Transmission Control Module, for Shudder and/or Slight Hesitation Concerns
TB0113042023-08-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Update Programming MIL ON, DTC P2201 Stored in Fault Memory
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.
V2719012011894242023-08-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Testing and Charging using Midtronics VAS6161 and or GRX3000 Vas Charger
V2715032016076122023-08-04. Service bulletin. ELECTRICAL SYSTEM. Diagnostic assistance for excessive static current draw
2814022023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, Incorrect Glow Plug Faults P06C5, P06C6, P06C7 and/or P06C8 Stored in Fault Memory
2814012023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, Incorrect Glow Plug Faults P06C5, P06C6, P06C7 and/or P06C8 Stored in Fault Memory
2813032023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, Incorrect Glow Plug Faults P06C5, P06C6, P06C7 and/or P06C8 Stored in Fault Memory
2813022023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, Incorrect Glow Plug Faults P06C5, P06C6, P06C7 and/or P06C8 Stored in Fault Memory
2813012023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, DTC(s) P0671, P0672, P0673 and/or P0674 Stored in ECM Fault Memory
2713012023-07-31. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Generator Replacement
2614032023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, Secondary Air DTCs P2431, P2432, P2433 Stored in ECM Fault Memory
2613052023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON - DTC's P047F, P0477, P048A, P048B, P048C or P0401 Stored in ECM Fault Memory
2613032023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON - DTC's P047F, P0477, P048A, P048B, P048C or P0401 Stored in ECM Fault Memory
2613022023-07-31. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. TDI Common Rail High Pitch Whine Noise after Switching Ignition OFF
2314032023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, No Start, or Rough Running with DTCs P0087, P0088 or P0191 Stored in ECM Fault Memory (TDI ONLY)
2314022023-07-31. Service bulletin. ELECTRICAL SYSTEM. MIL ON, No Start, or Rough Running with DTCs P0087, P0088 or P0191 Stored in ECM Fault Memory (TDI ONLY)
TT6913022023-07-31. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION. If Passenger Occupant Detection System (PODS) basic settings will not complete after module replacement, start by checking coax connector for fleece mat at module. Ensure coax cable is completely seated in connector housing and connector is properly seated in module.
TT6414022023-07-31. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT; ELECTRICAL SYSTEM:IGNITION:SWITCH; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. To detect which line(s) is inoperative, utilize a volt meter to check for 0 V, which will be present after the open in the grid line. The check must be performed with the engine running and heated rear window switched on. Switch OFF the ignition and visually locate the damage. Proceed with checking any other lines as necessary. Once the damaged line is identified, repair utilizing the Repair kit by Permatex® ITEM 09117.

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