Q: In cold weather, the service all wheel drive light comes on 2008 Chevrolet Equinox

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in could weather the service all weal drive light comes on. is this a major problem

My car has 109000 miles.
My car has an automatic transmission.

Hi there - this is a frustratingly common problem with this model. If a problem code of C0550 is set (whether Check Engine is lit or not), it is possible this warning is the result of a lot battery voltage situation. Cold weather doesn’t help here. If you have made sure the battery system is in good charge (13v+), the clutch in the transfer case may need attention. If so, I would recommend a powertrain inspection by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and cost estimate for repairs.

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