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Hummer 4wd service light reset Questions & Answers - Fixya
www.fixya.com > Forum > Tags > 4wd service light reset Hummer h2 2003 55000 mill ... service 4wd the liht is on all time Remote the battery wire from the car for 20 ... My 2006 H3 will not come out of 4 wheel drive?
If the key had gone faulty, the key code must be re programmed on the vehicle computer. This can be done only using a PIWIS tool, available at the dealer or at a qualified Porche garage. Try also the following reset: turn ignition on, turn off. remove
the transponder from the column push any button on the fob within 6
seconds. This procedure will reset the key synchronizing again with the vehicle computer.
It seems like you reset the PC the 2nd time, not the 1st time. The funs not over yet. find out where all tis oil has gone. Any leaks? Recently serviced? Bluish Tailpipe smoke? Find out about where the oil has gone! ck plugs for burnt oil. I'm sure your buddy could direct you further but don't let it go!
You have a random electrical short in the system and it is on the acc. side of your ignition system.Systems such as interior lights, glovebox light, brake lights, memory circuits for onboard computer, radio and some aftermarket components. Without me being able to see your car it is very hard to determine the cause. First determine that the battery is dead. Its possible that the battery cables have a bad connection, not at the battery but at the starter sol. or the battery cable ground connection on the engine. Clean these connections to see if you fixed it. If not then after that you will need to remove the poss. battery cable take a volt ohm meter and put the black lead to the poss. post of the battery and the red lead to the cable, set the meter to 10 amps BEFORE you hook it up. Then wate until all systems have timed out when this happens the needle will drop. If not then you have a direct short. If it does drop it should drop to less then 2 amps (that is normal) if it is above that you have a drain on the battery. Before you start this test make sure the key is out of the ign. then remove the interior light fuse that way you can open the doors without resetting the timers. Watch the meter and remove one fuse at a time, if the needle drops then that is the circuit that is giving you the trouble. Find out what that fuse controls and repair as needed. Hope this helps. Let everyone know if it did OK
Looks like that you have a faulty door lock actuator that's why it's not responding with the remote. If the actuator is faulty it tends to trip, sometimes will open sometimes won't. Using the key will surely lift the locks upward and by then the actuator can work again.
Have the door lock actuator replaced and you'll be good.
Hope this helps and thank you for using FixYa! Have a good one!
The 4wd system has set a code. You need to have it checked for codes with a scanner.
I just did a quick reset ( remove the negative battery cable for a
minute and put back ) and it hasn't happened again, if it were to happen
again just take it to the dealer, must likely all you will need is a
quick flash of your computer with the startscan.