Quote:
Originally Posted by SPBill
Thanks for the replies. I have checked the other threads and as mentioned in your notes, I have had the dealer reset the sensors, but this has not solved the problem. Do I need to assume that they didn't actually reset them or that there is something wrong with the installation on my full size spare or one of the other tires?
The other thing that seems strange is that the alarm comes in on seemingly random times when driving, which makes me think that the problem is with one of the sensors or the way it was installed.
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It seems random but it probably isn't. The system only reads the tire pressure data when the vehicle has been moving at over 20mph for longer than 20min. That rarely happens in city driving, but you can test it by doing a 20min freeway run from stopped. My warning would come on in exactly 20min, as specified.
The stored code from the alarm is supposed to indicate which wheel position is reporting the fault. The dealer should be able to then tell you which wheel is reporting. If that wheel is your full size spare and the system was already retrained, then maybe the spare does have a problem.