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4WD system not working Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Transmission Problems hamody2005 New User Nov 18, 2011, 9:50 AM Post #1 of 3 (1345 views) 4WD system not working Sign In A three warning lights on instrument panel had come up while I was driving on highway after I get a suddenly simple drop in the road -4WD system warning lights. -ABS service reminder indicator. -ESC OFF can any one please help me what is the problem? also the 4WD system doesn't work. My car is Tucson 2007 4WD Discretesignals Ultimate Carjunky / Moderator Nov 18, 2011, 6:45 PM Post #2 of 3 (1316 views) Re: 4WD system not working Sign In You need to take it to a shop that can access the 4wD ECU with an enhanced scan tool and see if there are any trouble codes being stored. The code(s) will aid in figuring out what is going on. Generic code reader or scan tool can't interface the 4wd ECU. There may be other codes being stored in the PCM and the ABS controller that can affect the performance of the 4wd system, so those ECUs need to be scanned also. Once all trouble code(s) are retrieved, they can figure out which ECU and subsystem to focus on. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. (This post was edited by Discretesignals on Nov 18, 2011, 6:47 PM) hamody2005 New User Nov 19, 2011, 12:05 PM Post #3 of 3 (1300 views) Re: 4WD system not working Sign In thanks for your interest I will do as you suggest   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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