Climate control display
Thread Starter
2nd Gear
Joined: Oct 2022
Posts: 2
Likes: 0
Climate control display
The climate control display screen of my 2003 C5 is blank. The appropriate fuse is not identified in the owner manual. I don’t know if it’s the fuse or the bulb. Can anyone help?
Race Director
Joined: Apr 2017
Posts: 10,247
Likes: 888
From: Hickory NC
2025 C5 of the Year Finalist - Modified
2022 C5 of the Year Finalist - Modified
2020 C5 of the Year Finalist - Modified
St. Jude Donor '17 thru '26
Welcome to the Forum! 
Bummer about the climate control. I would recommend asking your question in the C5 Tech section which will get your question in front of the experts there. This is more of a general “hello” section.
When you ask the question, please include a little more info that could help you receive better answers. Did the screen just go blank? Is the climate control working but just not showing the display info? Do you have any codes related to hvac on your DIC? Additional info like that will help greatly.
Best wishes for an easy fix.
(Could be fuse 27 but, again, more info is needed).
Bummer about the climate control. I would recommend asking your question in the C5 Tech section which will get your question in front of the experts there. This is more of a general “hello” section.
When you ask the question, please include a little more info that could help you receive better answers. Did the screen just go blank? Is the climate control working but just not showing the display info? Do you have any codes related to hvac on your DIC? Additional info like that will help greatly.
Best wishes for an easy fix.
(Could be fuse 27 but, again, more info is needed).
Administrator
Joined: Mar 2001
Posts: 367,290
Likes: 24,572
From: In a parallel universe. Currently own 2014 Stingray Coupe.
C7 of the Year - Modified Finalist 2021
MO Events Coordinator
St. Jude Co-Organizer
St. Jude Donor '03 thru '25
NCM Sinkhole Donor
CI 5, 8 & 11 Veteran
Moved this to C5 Tech for some assistance with your question.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
2027 Corvette vs The World: Every Model vs Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
5 MOST and 5 LEAST Popular Corvette Model Years in History!
Joe Kucinski
2027 Corvette Buyer's Guide: Everything You Need to Know!
Joe Kucinski
10 Things C8 Corvette Owners Hate (But Won't Tell You)
Joe Kucinski
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!
Brett Foote
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)
Joe Kucinski
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!
Michael S. Palmer
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!
Joe Kucinski
Melting Slicks
Joined: Sep 2008
Posts: 3,117
Likes: 793
From: Espanola New Mexico
There is no bulb, what generally happens is the surface mount resistors were not solder correctly and they tend to lift of the PC board. I pulled my climate control and retouched and added a small amount of solder to those resistors.
Intermediate
Joined: May 2002
Posts: 44
Likes: 2
From: Fayetteville NC
Race Director
Joined: Oct 2004
Posts: 12,795
Likes: 4,614
Pro
Joined: Jun 2022
Posts: 691
Likes: 317
From: NW OH
https://en.m.wikipedia.org/wiki/Vacu...escent_display
The VFD doesn't fail but the soldering will need to be redone. While you are in there you can replace any bulbs with new bulb or LED.
https://m.youtube.com/watch?v=s_K_Yc19dFQ
There is another youtube on changing the bulbs.
You can see what I wound up with: https://www.corvetteforum.com/forums...post1605446007
Race Director
Joined: Oct 2004
Posts: 12,795
Likes: 4,614
Melting Slicks
Joined: Sep 2021
Posts: 2,555
Likes: 1,212
From: Temple Texas
I've seen a write-up on dismantling the unit but can't seem to locate it at the moment.
