Volvo Troubleshooting Questions? Ask a Mechanic for Answers ASAP
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The issues here can be caused by a fault with the CEM (central electronic control module/ecu).This can act up or fail internally and cause the window fault as well as door ajar issues and also continue to draw power with the key off and cause the battery to become drained.
What needs to be done is to have a fully compatible scan tool plugged into your model to check the fault codes.Once this is done any codes set will need to be diagnosed to help locate and repair the issue here and the scan tool is also used to monitor the CEM signals to help determine if it needs replaced.
You might try a battery re charge or jump start for now to drive it but this should be checked into and repaired as soon as possible.
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