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Engine light, no start, flashing interior and exterior lights with clicking.

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#1
Hi Everyone. I have a 2011 RR Sport Supercharged 5.0. I did an oil change last week and my engine light came on as I was driving today. I pulled over and decided to check the oil on the instrument panel and it read “Unavailable”. I drove it home and did a google search and found a way to bypass this “Unavailable” message by opening the hood and the driver’s side door and then pressing the CAN button on the cruise control twice after selecting the oil level on the dash. It worked and my oil level read “max”. After that things went downhill quickly. I decided to disconnect the negative on the battery to see if the “Unavailable” message went away but it didn’t. When I tried to start the vehicle I received several error messages beginning with an ABS error, traction control error, etc. and everything essentially locked-up. Now I have a constant clicking sound with flashing interior and exterior lights and a no start condition. The only way to get this to stop was to disconnect the battery. I put a volt meter on the battery and it read 6.5V, which I know is extremely low. I’m surprised the lights were able to flash with the voltage that low. Does anyone have any ideas on what could be wrong? Did I make a huge mistake by bypassing the “Unavailable” message for the oil? Did the engine light come on due to low battery voltage while I was driving? Could that battery be good but possibly have drained due to my attempts to start and all of the flashing lights? (I charged it this morning and it seems to be holding 12.7V inside the house) Also, I did remove fuse #17 for one minute as I read that this could cure the no-start issue. Thanks very much for any help you could provide!

- Gary
 

Skippy

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#2
Hello Gary,
Do you have any update on this ? I would like to hear it. I'm sorry no one responded to you. I notice that happens a lot on this forum.
I would like to hear the rest of the story, I assuming it it running because thing happen 3 months ago.

Cheers
 
OP
G
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Thread Starter #3
Hey Skippy! Yes, unfortunately I didn’t get any responses to this post but I’ve gotten a ton of valuable and money-saving information here, luckily. To your question...short answer is that I had a bad battery and I popped a new Interstate in there and all was back to normal immediately. Prior to that, after charging the old battery in the house, the voltage quickly dropped with 2 attempts to start. I have a close friend that works in the service department at a local Jaguar/Land Rover dealership. I gave him a call and ran the situation by him. I knew I now had a bad battery but as for the flashing interior and exterior lights and all the warning lights on the instrument panel, I assumed I had an entirely separate issue. He didn’t get technical with me at all; my friend’s exact words were, “You have no idea the crazy things that happen to these vehicles when you have a bad battery”. He assured me that everything would be fixed with a new battery and he was right. My voltage was exceptionally low so I suspect that was the problem. A bit low may not have caused my issues. I hope this helps!
 


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