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

 

Question

Gaary, 5.3L V8, Sun City, CA, April 07, 2013, 23:17
 Rookie

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

    arturo08 April 08, 2013, 00:12
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     Master

    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 (13656 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 08, 2013, 06:51
     Master

    scan trans codes and ck fluid level and condition

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