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Q:

My 4wd switch just flashes ...will not engage 4wd. Could it just be the cold. on 2001 Chevrolet Tahoe

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
works in 2wd fine...if I press auto or 4 wheel hi the light just flashes
(2) Answers
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scan codes and post so we can adv
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System stores codes so diagnosis is not very tough....Encoder motor failures are not uncommom.
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