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Car when put in parked and turned off does not fully disengage the electronics
I can not seem to turn the car fully off when I put in park and turn off car. This completely drains the battery. I was told it is an ignition switch issue which I replaced and did not resolve the issue. Then the battery went completely dead. Did not resolve the issue.
seems to me it is a circuit switch issue or an electronic program issue. I am afraid to go back to the dealer...they don't seem to have a specific solution. They just throw new pieces at the problem and don't seem to know exactly what the issue is. Costing a fortune on their expirements.
has anyone encountered this issue and found a solution or identified the problem area
Any input would be greatly appreciated 🙏
If your going to tackle it yourself then google “how to diagnose battery drain”.
The first step is to determine which fuse is connected to the circuit with the parasitic draw. I prefer starting with the method of measuring and looking for the small voltage drop across the fuse that has active flowing current. You may want to wait half an hour or so after engine shutdown or last key-on-off event as some normally energized circuits automatically time out. Your looking for the problematic circuit that continues to draw power after the rest go to sleep.
Sounds like one of the relays that cut accessory +12V power when the ignition is shut off is stuck in the ON position. This can happen if the relay contacts fuse together. Check the plug-in "cube" relays that are located in the fuse/relay panel, rear luggage area, right side, behind the pull-off black carpet access panel.
With engine off, unplug a relay, one at a time, until the accessories that are "stuck on" shut off.
If this doesn't fix this, there are a few more of these +12V power relays located in the ECU weather-tite box, and under the dash, drivers side, forward of where your left knee is. ( the bottom trim panel, below the steering colum, needs to come off to get to this relay/fuse panel)
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Car when put in parked and turned off does not fully disengage the electronics
