Catalytic Convertor Problems of Buick Lacrosse

The contact owns a 2007 Buick Lacrosse. The contact was made aware of NHTSA campaign number: 14v355000 (electrical system). The contact took the vehicle to the local dealer and had the recall repair performed. The contact stated that in may 2022, while driving 25 mph, the engine seized. The contact stated no warning light was illuminated. Additionally, the contact stated the key failed to turn in the ignition. The contact stated he waited approximately 5 minutes before he was able to restart the vehicle and continue driving to his destination. The contact took the vehicle back to the local dealer, where it was diagnosed with needing the catalytic converter to be replaced. The vehicle was not repaired. The contact took the vehicle to the independent mechanic and had the catalytic converter replaced. The vehicle was repaired but continued to experience the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 100,000.

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The contact owns a 2010 Buick Lacrosse. When the vehicle was started and while driving, the check engine warning light illuminated. The dealer diagnosed that the catalytic converter needed to be replaced. The vehicle was repaired, but the failure recurred. The contact stated that the catalytic converter was replaced three times. The failure was intermittent. The manufacturer was notified of the failure. The approximate failure mileage was 48,533.

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The contact owns a 2011 Buick Lacrosse. While driving at various speeds, the check engine light illuminated on the instrument panel. The vehicle was taken to the dealer, but the failure could not be diagnosed. The contact stated that the error codes were removed from the vehicle; however, the failure recurred. The vehicle was taken to dealer where it was diagnosed that the catalytic converter failed and needed to be replaced. The vehicle was repaired. The contact also stated that the battery of the vehicle had to be replaced on several occasions, but the dealer could not diagnose why the batteries were failing. While driving to have routine maintenance performed on the vehicle, the vehicle stalled without warning. The contact stated that the accelerator pedal was depressed, but the vehicle failed to move. The vehicle was towed to the dealer where it was diagnosed that the transmission failed and needed to be repaired. The failure recurred. The manufacturer was made aware of the failures. The failure mileage was unknown.

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