Blank DRR/Nav Screen
Thread Starter
Racer
Joined: Jul 2000
Posts: 266
Likes: 0
From: Crossville TN
Blank DRR/Nav Screen
Has anyone come across this problem. 2008 C6-Z06 with 3000 miles. Every thing was fine up until I put her to sllep for the winter. Went to start the engine last night and the following happened.
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
Moderator
Joined: Dec 2002
Posts: 40,902
Likes: 4,352
From: Lakewood Ranch, FL
Has anyone come across this problem. 2008 C6-Z06 with 3000 miles. Every thing was fine up until I put her to sllep for the winter. Went to start the engine last night and the following happened.
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
Instructor
Joined: Aug 2004
Posts: 197
Likes: 0
From: Commerce Township Michigan
LCD displays in Navigation systems are dim upon cold conditions. Additionally the unit is probably coming up in night mode (due to lower ambient light in garage) that has lower brightness and contrast settings than day mode. GM has specifications defined for Navigation systems I have developed in which the brightness level has to reach a defined value in a defined amount of time. Backlighting in LCD displays is primarily done with flourescent lighting which has lower power consumption, but has the disadvantage of not being as bright when cold. Different techniques are done to improve brightness at cold in newer displays. With this being a display in one of GM's oldest navigation systems, I would suspect that the display is not up to specifications of their newer developments. Try giving the unit time to warm up and see if things improve to being able to see a faint image, then go in and manually set it over to day mode instead of auto for the display.
If all the above does not work, pull the fuse for the radio and then power up after replacing the fuse. This might resolve any possible issue that would require battery disconnect without having to pull the unit before taking it in to the dealer.
Moderator
Joined: Dec 2002
Posts: 40,902
Likes: 4,352
From: Lakewood Ranch, FL
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Le Mans Master
Joined: Aug 2005
Posts: 5,335
Likes: 0
From: Eagle River AK
St. Jude Donor '06-'07-'08-'09-'10,'14
Has anyone come across this problem. 2008 C6-Z06 with 3000 miles. Every thing was fine up until I put her to sllep for the winter. Went to start the engine last night and the following happened.
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
Normally when I start the car or turn on accessories the screen comes up with a corvette logo and them I can operate all functions of the nav system and radio.
Currently the screen stays blank, Engine starts and radio is tuned to the last channel listened too. Can not change channels or get any response from the control buttons.
Any ideas? I hate to have the local Mr goodwrench play with it if there is a simple solution. I sucpect that the entire DRR/Nav has to be replaced????
