The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 1998 Volkswagen Passat, both ongoing and closed, are listed below:

1. INVESTIGATION: PASSENGER AIR BAG LID FAILURE

   NHTSA #EA03020

   Status:

   CLOSED

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2. INVESTIGATION: PASSENGER SIR DOOR MOUNTING STUD FAILURE

   NHTSA #PE03021

   Status:

   CLOSED

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4. INVESTIGATION: STUCK-OPEN THROTTLE

   NHTSA #EA04017

   Status:

   RECALLED

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5. INVESTIGATION: POWER BRAKE BOOSTER VACUUM BY-PASS

   NHTSA #RQ99008

   Status:

   RECALLED

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6. INVESTIGATION: FUEL TANK PUNCTURE

   NHTSA #EA00028

   Status:

   RECALLED

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7. INVESTIGATION: FUEL TANK PUNCTURE

   NHTSA #PE00033

   Status:

   CLOSED

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