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98 Lumina PCM Flash??? Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) 1 2  View All Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical Hymer User Jun 6, 2010, 6:56 PM Post #26 of 28 (1460 views) Re: 98 Lumina PCM Flash??? Sign In Yes it is, out of a Lumina, the other wierd thing is I can control the TCC with the scanner, but as soon as exit out off TCC test, it goes back to acting strange again! Powers and grounds all checked good. Hammer Time Ultimate Carjunky / Moderator Jun 6, 2010, 6:59 PM Post #27 of 28 (1458 views) Re: 98 Lumina PCM Flash??? Sign In I thought you might have learned your lesson about used PCMs by now. Good luck with that. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Hymer User Jun 6, 2010, 7:58 PM Post #28 of 28 (1446 views) Re: 98 Lumina PCM Flash??? Sign In One would have thought so! the yard just happened to have a lumina come in on friday, so I said what could it hurt. And it seems to have done it's job. This car had tranny codes in it with the old pcm too. presure switch and a the 740 code. so I'm not too concerned, but not knowing much about trannys, will this hurt the transmission? and it doesnt shift bad or stay engaged at a stop. 1 2  View All   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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