"C6 from 2005-2010 navigation radio clock stops after battery disconnect
06-11-2019, 08:54 AM
#921
1st Gear
Member Since: Aug 2016
Posts: 1
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Any updates on this issue? I have a 2005 vet, changed battery a week ago, no
clock no gps. Update 3 1/2 hours at dealer to find out what I already knew, the nav radio not communicating, so cannot pick up satellite. The dealer says no fix from gm, but they will put in a new nav radio for $2050.00!!
Well I will contact gm again and send them the findings....
clock no gps. Update 3 1/2 hours at dealer to find out what I already knew, the nav radio not communicating, so cannot pick up satellite. The dealer says no fix from gm, but they will put in a new nav radio for $2050.00!!
Well I will contact gm again and send them the findings....
Last edited by Susan Jacobini; 06-11-2019 at 02:32 PM. Reason: Add more info
06-12-2019, 08:42 AM
#923
Any updates on this issue? I have a 2005 vet, changed battery a week ago, no
clock no gps. Update 3 1/2 hours at dealer to find out what I already knew, the nav radio not communicating, so cannot pick up satellite. The dealer says no fix from gm, but they will put in a new nav radio for $2050.00!!
Well I will contact gm again and send them the findings....
clock no gps. Update 3 1/2 hours at dealer to find out what I already knew, the nav radio not communicating, so cannot pick up satellite. The dealer says no fix from gm, but they will put in a new nav radio for $2050.00!!
Well I will contact gm again and send them the findings....
Last edited by vintagegas; 06-12-2019 at 08:44 AM.
06-12-2019, 09:17 AM
#924
No Fix Yet
Just checked with dealer and found bulletin #PIT5652E concerning no clock after battery disconnect. Per bulletin " Engineering and supplier are currently investigating this issue on those vehicles and radios. Please apologize to the customer and advise that engineering is investigating the concern". Dated June 4th 2019. Looks like they are working on it,
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tommyc6z06 (06-12-2019)
06-12-2019, 09:49 AM
#925
Just checked with dealer and found bulletin #PIT5652E concerning no clock after battery disconnect. Per bulletin " Engineering and supplier are currently investigating this issue on those vehicles and radios. Please apologize to the customer and advise that engineering is investigating the concern". Dated June 4th 2019. Looks like they are working on it,
The following users liked this post:
frankz06_cf (10-10-2019)
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06Rawpower (06-13-2019)
06-12-2019, 04:08 PM
#927
Safety Car
Member Since: Aug 2017
Location: Etobicoke (Toronto) Ontario
Posts: 3,988
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Do yourself and your wallet a favor...buy a Garmin Nav, plug it into your cigarette lighter and buy a velcro stick on clock from Pep Boys and save $2,000. You'll curse yourself for not waiting to see if GM ever fixes the problem or, I have read, some forum members remarking that their system came back on by themselves.
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vintagegas (06-16-2019)
06-13-2019, 08:02 AM
#930
Instructor
Don't know if all Garmins have the same display options, but on mine, you can select a number of 'dashboards'. Several of the dashboards have the current time displayed. Haven't found a dashboard with the date, but most of us probably know what day it is, even me, mostly. So, if you want one less stick on item in your cabin, you can try that out. And save $6 or so. FWIW, I don't have any irons in this fire, because I haven't been affected by the problem. It's just technically interesting to me. Also, I personally don't like the NAV system functionality whatsoever - can't get updates past 2016, looks like 1980's display technology, but the date and time are useful features. And, I don' like looking down when I'm driving because it takes some of my attention away from the road. I mount the Garmin low on the windshield and that works just fine for me. Just my .02.
Last edited by 06Rawpower; 06-13-2019 at 08:13 AM.
06-15-2019, 09:23 AM
#932
Le Mans Master
Hey GM,
If you are reading this thread there are nearly 250K views in it.
GM, are you still working on a fix or ….. ?
What about joining up with the other affected manufacturers?
Put some pressure on Denso?
If you are reading this thread there are nearly 250K views in it.
GM, are you still working on a fix or ….. ?
What about joining up with the other affected manufacturers?
Put some pressure on Denso?
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c1j1c2 (06-18-2019),
tshirtmeister (06-15-2019)
06-15-2019, 07:43 PM
#933
Intermediate
I had clock envy
For a while I noticed others were getting their clock back but not me. 
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.
For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar?
(all you guys that got your clock back).
I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar?
(all you guys that got your clock back).I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
Last edited by robertfa; 06-15-2019 at 07:48 PM. Reason: spelling and format
The following 2 users liked this post by robertfa:
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06-16-2019, 10:11 AM
#934
For a while I noticed others were getting their clock back but not me.
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.
For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar? (all you guys that got your clock back).
I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar?
(all you guys that got your clock back).I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
Hope you will continue to have it. I would not throw away the stick on just yet.
06-16-2019, 11:00 AM
#936
Stick on clock and a Garmin on the dash? Maybe I can use a paint brush to repaint the car too. And maybe cut it up to be a pick-up like in Beverly Hillbillies. I will never buy another Vette, and maybe not another GM product, if they continue to let us wallow in the dirt like this. There was a tacit contract between GM and anyone who paid them for a navigation system: They would provide signal for as long as the car was on the road. If they were not ready to support the new technology, they should never have sold it. Toyota is building really nice cars these days. I haven't heard any horror stories about them abandoning their loyal customers.
06-16-2019, 11:17 PM
#937
For a while I noticed others were getting their clock back but not me.
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.
For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar? (all you guys that got your clock back).
I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
Well, today my clock came back at about noon-time driving out and glanced down from my $6 O'Relly's stick-on clock and there it was, the real Nav radio clock.For those who might care, on the time setting page, the "GPS" time was erroneous (at least the 'minutes'). I could easily set the time to the correct local time and it stayed and came back after a couple of shut-downs and start-ups. If I pressed the 'GPS' button, the display jumped back to the same erroneous GPS time.
And, what a surprise, the date was December 31, 2000 - look familiar?
(all you guys that got your clock back).I went to the diagnostics (post#610), the GPS display and the latitude and longitude were actively displaying what appeared to be correct and 'GMT' was active but erroneous. It seems that the clock is just free running which it should have been programmed to do that in the first place (digital clock no-brainer) so we would hardly have a problem. Now I need to do some electrical work and I probably will need to disconnect the battery - will the clock die again?
06-17-2019, 09:20 AM
#938
If you need to do additional electrical work to your car, maybe you can connect a battery tender to the battery cables before you disconnect the battery. Hopefully this might solve the problem of losing your clock again.
06-17-2019, 11:28 AM
#939
Wont work! Battery tenders will not turn on if the are not connected to a battery.