The remote key will not operate anything on the car including the ignition

Tiny
KEITH BADRICK
  • MEMBER
  • 2007 VOLVO S40
  • 1.6L
  • 2WD
  • MANUAL
  • 200,000 MILES
I have replaced the battery with no luck. I also bought another one but this didn't work either. Up to the time of it not starting I have never had any problems with it at all.
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Tuesday, April 7th, 2020 AT 10:53 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Does anything work on the vehicle? Do you have a spare original key? You indicate that you "got a new one." Do you mean a new key and if so was it programmed for your vehicle?

I ask because this type of key requires specific software to match with your vehicle. Is the security light staying on or anything happening at all?

Let me know.
Joe
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Tuesday, April 7th, 2020 AT 5:29 PM
Tiny
KEITH BADRICK
  • MEMBER
Dear Joe, thanks for getting back to me. Absolutely nothing is working, I didn't get a spare when I bought the car. I got the new key off e-bay, no instructions with it. I am recovering from hip replacement surgery and just needed to start it every couple of days to keep the battery fine. It hadn't moved anywhere from the previous time I started it. Many thanks, Keith.
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Tuesday, April 7th, 2020 AT 7:20 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Keith,

My brother just went through the same thing. I feel bad for you, but I will tell you, 3 months after the surgery, he is much better, so hang in there.

If absolutely nothing works, are you sure the battery isn't dead? As far as the key from online, that needs programmed by a dealer or someone that has the software to do it. If it isn't done, the car won't recognize it.

Have you tried charging the battery just to confirm that isn't an issue and are the battery terminals clean and tight? I noted you replaced the battery, but I thought that was in the fob, so that's why I'm asking.

Also, if the battery in the car is good, there are two fuses that are mounted to the positive battery cable. These are high amperage fuses. Check them to make sure they are not blown. If you look at the attached pic, you will see they power nearly everything.

Here are a few links you may find helpful when testing:

https://www.2carpros.com/articles/how-a-car-fuse-works

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

When you check the fuses, even if they appear good, make sure there is power to them and out of them.

Let me know if you have questions or need anything.

Joe
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Tuesday, April 7th, 2020 AT 8:03 PM

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