2010 STS with 20 plus codes!
#2
I would start by checking 3 general areas. 1. BATTERY - Check the freeze frame to see the battery voltage. Also connect a 10 amp battery charger overnight and while still connected - Start car. If the battery voltage shows below 12.1 volts at any time, then replace the battery (or at least remove battery and take somewhere for a COMPUTERIZED load test with a printout. 2. Check all the ground connections. Particularly the one on the passenger fender well near the battery on the passenger side and the one on the drivers side near the bottom corner of the radiator. 3. There is a connection under the drivers seat that is subject to corrosion. Check, clean, repair, replace. Good Luck
PS: Color? adaptive cruise? 1SG? Want to sell it?
PS: Color? adaptive cruise? 1SG? Want to sell it?
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