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2005 GMC Sierra 1500 Question: Transmission in high gear from a stop, red light indicactor on 2WD is red



Gaary, 5.3L V8, Sun City, CA, April 08, 2013, 02:17

Transmission will be in high gear starting out and will not down shift when I accelerate. The red light at the 2wd selection is red was green before.

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  • Answer #1

    April 08, 2013, 03:12

    check tranny fluid levels and condition. review when last serviced. it may be due. bring to tranny shop for diagnostic run. tranny tech. will advise.

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  • Answer #2

    Greg's Orange Auto (15188 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 08, 2013, 09:51

    scan trans codes and ck fluid level and condition

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