Question about 2004 Pontiac Grand Prix

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HUD is out. The fuse is fine.

How to diagnose HUD outages w/out spending too much $

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Sometimes the simple answer is the best. The heads up display works off a mirror that reflects the image up to the windshield. The same way it works on fighter jets. (military) The factory spring is weak at best and in high heat or cold the spring breaks. Look down through the windshield in the upper corner of the HUD and if it's swinging there's your answer.

Posted on Apr 24, 2015

Testimonial: "& indeed that is the case, apparently, because after looking down from above the dash-I see the HUD is still working-thank goodness. Now I have to work on fixing the spring."

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1 Answer

My HUD went out with no explanation.


by fine you mean 32 PSI, need to be 36 PSI for most of those horrible wheel sensors. The hud is probably shot and since Pontiac is gone, good luck getting parts.

Apr 23, 2015 | 2004 Pontiac Grand Prix

1 Answer

My hud In My Grand Prix Doesnt Work


Which fuse ? Just to make sure you looked at the right one .
DISPLAYS fuse 10amp located in the I/P fuse block .
Do you know what DTC'S - diagnostic trouble codes are ?
DTC B3619
The HUD detects that the HUD change page switch signal circuit is low for greater than 15 seconds.
DTC B3634
The HUD detects that the HUD dimming signal circuit is low for greater than 15 seconds

Diagnostic System Check - Head Up Display
Install a scan tool.
Does the scan tool power up?
Go to Step 2
Go to Scan Tool Does Not Power Up in Data Link Communications
2
Turn ON the ignition, with the engine OFF.
Attempt to establish communication with the following control modules:
• Head Up Display (HUD)
• Instrument panel cluster (IPC)
• Powertrain control module (PCM)
• Driver information center (DIC)
• Radio
Does the scan tool communicate with the control modules listed above?
Your best bet , take it to a qualified GM service center .

Sep 02, 2017 | 2004 Pontiac Grand Prix

1 Answer

The HUD on my 2004 Pontiac Grand Prix GT went out. I checked the fuses and they are all okay. What eles could it be? Thank you, Lisa


The HUD may still be working but the spring has broken which holds the mirror to reflect the monitor image to the windscreen. Go outside the car and look straight down the HUD tunnel to see if the HUD is still on. If it is, then do a search on google for how to fix the hud. There are some very detailed instructions (with pics) to show you how to do this. Really pretty simple.

Jul 27, 2011 | 2004 Pontiac Grand Prix

1 Answer

ELETRICAL OUTAGES NO WINDOWS NO LOCKS NO REAR WIPER NO DOME LIGHTS NO BACKING LIGHTS


Check your fuse box to see what fuses have blown, if any. If nothing has blown fuse-wise, take it over to an AutoZone and have it diagnosed. They do it for free and even loan you out some tools to get it fixed if you can do it yourself. Good luck.

Oct 04, 2010 | 2005 Chevrolet TrailBlazer

1 Answer

Speedometer does not work but the hud one does


Pretty common issue with the 03-06 Lesabre instrument clusters, usually they start going out when they get some miles on them. It's due to failing stepper motors on the cluster's circuit board. Check this page out for more about it and how to get it fixed - Lesabre speedometer fix

Oct 14, 2009 | 2004 Buick LeSabre

2 Answers

Hud stoped working


yes, behind the speedometer / odometer is a small bulb. replace it and it will fix your heads up display

Aug 25, 2009 | 2004 Pontiac Grand Prix

1 Answer

2004 GTP HUD Out


If fuse check out. All electronics fail some goes out sooner than others; Once the HUD unit its out you have to replace it unless you electronic guru know about electronics and solder, go to the junk yard and get a replacement. New unit will cost an arm and a leg. I had the same car and my went out on me 3 years after, thank GOD it was still under the warranty. wish lot of luck finding use one.

Aug 24, 2009 | 2004 Pontiac Grand Prix

2 Answers

HUD will not light up


If you peek down inside the windshield, you'll probably see the HUD is working. A common issue is that the adjustment spring will break, making the HUD invisible because it is adjusted out of range. The spring can be replaced by removing the cluster then the HUD unit.

Aug 13, 2009 | 2004 Pontiac Grand Prix

3 Answers

2005 grand prix HUD can only be seen when i look below steering..


There should be a switch on the dash somewhere to adjust the position of the HUD. I'm thinking it's near the driver information center (DIC). I just worked on one of these cars a week ago and I remember seeing the switch. Just can't remember exactly where but I know it's there. Hope this helps.

May 12, 2009 | 2004 Pontiac Grand Prix

1 Answer

HUD


There is a spring inside the HUD and it has probably come off. The samething happened to mine. I had to take it out myself and fix it. Majorhassle. The dealer wanted over 600.00 to do the same.

Oct 13, 2008 | 2004 Pontiac Grand Prix

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