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JamesWalker

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  1. JamesWalker
    2019 GMC Sierra 1500 Denali - Headlights will not turn on with AUTO mode. Will not turn on with manual switch either. Pull stalk and blue light comes on dash, but no headlights. Push button on stalk and A does not appear. OBD scan indicated occasional miscommunication between transmission and BCM. Front camera recently wasn't working, came to life after OBD scan. HOWEVER, HEADLIGHTS WILL ALL SHINE BRIGHTLY AFTER PARKING AND LOCKING TRUCK for the delay shutoff. So, its not no bulbs, fuses or relays. What is wrong? Where to look?
  2. JamesWalker
    Next dealer is another 50 miles. I called them and they asked me what a Technical Service Bulletin was??? .... That doesn't give me much faith in their abilities.
  3. JamesWalker
    Yes - to the dealer yesterday. Scanned, codes cleared and changed the batteries in the remotes and reprogrammed them. $450 for the scan and batteries. Driving it home, it quit 3 times. This morning wouldn't start. Dealer wants me to pay for the tow back to the shop. [34,000 miles - rear brakes done twice, front brakes once, new battery ] Then the dealer decides that maybe I need a new starter. And they can throw one in for $900. I asked how a bad starter would cause the truck to stop while driving????? I would appreciate any advice !
  4. JamesWalker
    Yes, still not working
  5. JamesWalker
    2019 Sierra Denali 6.2L sometimes starts, other times it will hit the starter very briefly, stops and no start.. While driving, the truck will shut off randomly - highway speed, at a light, driving along. Sometimes it restarts, sometimes not. No MIL, No codes. Battery tests 900 CCA, 14v.
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