Question about 2004 Buick Regal
I can't find the door switch that causes the lights to come on when you open the door.. Where is it located on the door?
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Posted on Jan 02, 2017
SOURCE: 2004 buick regal code P1887
Code P1887, as you probably by now know, is set when there is an issue with the torque converter clutch engagement and disengagement. When this code is set, it inhibits TCC operation, could cause issues with the shift adaptive strategies and possibly issues with 4th gear (Overdrive) operation.
The unfortunate news is that you have the 4T65E transmission in this vehicle and the TCC switch/solenoid is part of the valve body and the valve body is on the side of the transmission (drivers side) and would require at least the lowering of the sub frame to get enough clearance to remove the side cover and to get to the valve body. It is really an involved repair and would not be for the faint of heart nor those with little to no mechanical experience.
I dont know where you are located, but if you are anywhere near Indiana I would visit www.grandprixforums.net and sign up there and post up your issue there. Its an online community for Grand Prix's and other vehicles that use the GM 3800 engine. There is a gentleman on there that goes by the screen name of Trannyman95 and he makes his living rebuilding 4T65E's among others and is highly regarded as a top notch transmission builder.
Posted on Jan 02, 2009
The error that I'm showing for error code P1133 is
P1133 Heated Oxygen Sensor (HO2S) insufficient switching bank 1 sensor 1(Rear Bank). I would suggest having both of your Oxygen Sensors replaced if you haven't already had that done. Hope this helps. Thanks for an honest rating and for using FixYa.
Posted on May 19, 2009
A heavy jolt of electricity like a mini lightening strike will cause all the above to stop working instantaneously..................sodeep
Posted on Jul 30, 2009
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