Problems for specific Volkswagen Passat years:
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Repairpal verified Volkswagen Passat problems
One or both head lights may not work due to premature head light bulb burnout and/or bulb harness failure. Care should be taken to inspect the head light harness connector for damage when replacing bulbs. Damaged connectors should be replaced.
Condensation may develop in the heater case which can cause a musty odor from the heating, ventilation and AC (HVAC) system. Our technicians tell us a cleaner is available for the heater case. Also, the drain system should be checked for debris.
Clogged sunroof drains can allow water to enter the interior and accumulate under the carpet where various control modules are mounted. Over time, the accumulated moisture can damage the control modules.
Ignition wire breakdown is common, resulting in misfires.
Throttle body failure is not uncommon and can lead to shifting issues with the automatic transmission and other drivability concerns.