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Service bulletins for the 2021 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.

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

About P0300 on the 2021 Volkswagen Passat: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0300 are shown. Show all

Bulletins, newest first
VIN4APIN202111162021-12-07. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; ENGINE; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer states airbag light on Customer states no crank/no start. Vehicle is towed in.
VIN4APIN202111092021-12-07. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer states airbag light on Customer states no crank/no start. Vehicle is towed in.
VIN4APIN202111012021-12-07. Service bulletin. SUSPENSION; EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment Customer states airbag light on Customer states no crank/no start. Vehicle is towed in.
VIN4APIN202110282021-11-05. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; SUSPENSION; STRUCTURE:BODY; STRUCTURE: UNDERRIDE. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment Customer states airbag light on Customer states no crank/no start. Vehicle is towed in. Customer states there is a popping/clicking noise while operating temperature settings
VIN4APIN202110262021-11-05. Service bulletin. POWER TRAIN; SUSPENSION; EQUIPMENT. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment Customer states airbag light on Customer states no crank/no start. Vehicle is towed in. Customer states there is a popping/clicking noise while operating temperature settings Customer states MIL-on with P0401

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