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So my family just took a trip for the fourth and on the way back, our new (to us) 2013 acadia Denali lost its mind! Lol. Traveling the freeway about 90 miles from home. The dash lit up brighter and all gauges dropped to to bottom. The radio shut off. The tire pressure light came on, the anti theft light came on, service stabilitrac. ac lite flashed then shut off. As far as driving no issues, car performed as it had. Got home and parked it. Door locks dont work. Wont start. Key fobs wont lock or unlock. Turn key it lights up but nothing when key is turned. Tried the turning the key foward for awhile then trying to start it no luck and now cant remove the key. Getting it towed to dealership wed. Just wondering if there is anything to try first? Looked over fuses today. Unpluged battery overnight last night with no luck. Pluged in my reader and no codes came up? Any advise will be apreciated.
 

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There's nothing else to try if it's a failed control module (either BCM or ECM). "No codes" may be the indicator of that.
 
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