Question about Buick Cars & Trucks
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Posted on Jan 02, 2017
Hello, This defect means your torque converter is switched on and not disengaging.
This can be a toggle type switch or the torque converter Lock-up is stuck.
I service mostly Ford family Brands and not GM, everyone has their own way to do stuff. I can tell you that the Torque converter is deeply embedded between the engine and trans and it would make sense to have the controls for it accessible from outside. Your PCM (Powertrain Control Module) may be at fault, save for any toggle relays inbetween the PCM and the Torque Converter. Sometimes shift points and other information can be "Flashed" or reprogrammed with a Dealer computer. This is a different device than just a scanner that reads your Trouble Codes.
At least you can ask about repairing this problem and pricing info and pick your best spot. I looked under the NHTSA Website for you and there was no mention of repeated problems like yours for your specific vehicle.
You can ask at a good Autoparts store if there is a "Torque Converter Lock-Up" switch for your trans and proceed from there. A GM Expert at this site may be able to help you more than I can, but you can try my info and see what happens.
Posted on Nov 10, 2011
If the 2003 buick lesabre has a overdrive button It will be located on the shifting handle at the console. check where your hand is on the handle where you shift there will be a button on the side of your handle push it and watch your dash board where your speedometer is located and watch for any lights or indicator light will come on. or just call your dealer and ask the dealer for information on your vehical.
Posted on Apr 30, 2012
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