XC90 Start Prevented Try Again Problem

orielg · Mar 2nd, 2016, 13:52

I have a 2011 XC90 and last summer it began this intermittent fault of not starting and the message was "Start Prevented, Try Again". We coped with it by keeping the 2 keys in the car as if the first one didn't start it the 2nd key generally would. Now 1 key will not start it 100% of the time and the remaining key will start the car some of the time. Usually if it has been left for a long time.

My excellent independent Volvo mechanic / technician has checked all the error codes and done the following:
1. replaced antenna ring - made no difference
2. checked all the connections
3. Updated CEM software
4. Reprogrammed both Keys (none working key says "wrong key")
5. Have ordered one new key with new transponder which may do it but I am not overly hopeful.

Does anyone have any other ideas. Last resort would be to replace the CEM but that will be expensive. Any help very much appreciated.

Mar 2nd, 2016, 13:52	#1
orielg New Member Last Online: Mar 4th, 2016 08:54 Join Date: Mar 2016 Location: Bishops Stortford	XC90 Start Prevented Try Again Problem I have a 2011 XC90 and last summer it began this intermittent fault of not starting and the message was "Start Prevented, Try Again". We coped with it by keeping the 2 keys in the car as if the first one didn't start it the 2nd key generally would. Now 1 key will not start it 100% of the time and the remaining key will start the car some of the time. Usually if it has been left for a long time. My excellent independent Volvo mechanic / technician has checked all the error codes and done the following: 1. replaced antenna ring - made no difference 2. checked all the connections 3. Updated CEM software 4. Reprogrammed both Keys (none working key says "wrong key") 5. Have ordered one new key with new transponder which may do it but I am not overly hopeful. Does anyone have any other ideas. Last resort would be to replace the CEM but that will be expensive. Any help very much appreciated.

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