Question about 2001 Pontiac Grand Prix
The issue is intermittent. Sometimes when I turn on the ignition, the DIC does not light up. There is a delay of two to three seconds and then everything on the DIC works and the Service Vehicle Soon light comes on. The HVAC console will not work during all of this. Rear defroster and AC button do not work. Day-Time running lights, head lights, high beams, radio, windshield wipers all work. I do feel hot air coming through the vents, but not fan driven. Replaced ignition and computer in July 2010 with GM dealer flashing the computer. New battery December 2012.
Sounds like a bad body control module . it is located on the driver's side under thew dash
Posted on Jan 03, 2013
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Posted on Jan 02, 2017
Take your car to Kragen or a parts store like it and have the system tested for codes, also ask them to test your charging system for low voltage, all this is free.
Posted on Oct 30, 2008
SOURCE: lights go out on dash DIC
make sure you clean your positive battery terminal. It can be quite corroded in there without any outside signs. Next check ground connections (main ground is under the underhood fuse box...is it rusted down there? If it's none of those, start looking at the ignition switch.
Posted on Apr 12, 2009
Believe it or not, but it was a bad ignition switch. I the switch apart and found about 3 different and one in particular that were burned pretty bad. Must have been the circuit that controls the blower and DRL? Found the solution on another blog. I put a new switch on in about 1.5 hours. I does take a couple special tools, very small female torx sockets. Other than that pretty easy.
Posted on May 25, 2009
SOURCE: Rear Defroster Problem
1 st of all check all the fuses if all are good it may be the switch itself .......if you are referring to just the defroster ensure both connections are connected to th rear window if there are any breaks in the defroster lines as you will they sell a metal fill type repair kit not expensive and with the use of tape and this mixture you can easily repair the breaks in the defroster lines ........but first ck your fuses and connections maby determine with the use of a test light and check for power at both the switch and the rear wire connections for power to them otherwise it is most likely the switch
Posted on Sep 12, 2009
Testimonial: "Thank you. There's power at the fuse and power up to the switch is good. No power at the rear tab or grid so I guess I need a new switch."
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