Question about 1996 Chevrolet K1500

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4L60E Shifts fine in 1st, 2nd, & 3rd but will not shift into OD

I have a 1996 Chevy 4x4. It's a 350 with the 4L60E. The trans shifts 1st thru 3rd fine won't shift to OD. I just changed the convertor, fluid and filter. I was driving the truck and turned it off, started driving again and would not go into OD. Do you have any suggestions?

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  • Chevrolet Master
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The EMC detected and problem so it's in limp mode, As long as it's in limp mode the 4th and OD will not activate. Take care not to burn up the transmission by running it hard while your in the limp mode.
Your going to have to get the truck scanned to clear any codes and why there are DTC codes. Auto Zone scan for free and most auto shops charge $10.00 to $20.00 to scan sine they want the business.
If you want to clear the codes your self you can put the ignition to the run position and pull the ECM (Batt) fuse out for 20 sec and place it back in then start the truck. It may stall but let it, just start it again and this would have cleared all the DTC code history.
The transmission should be running fine unless there is a problem and the service engine light will be on again and you'll be in limp mode still with an updated DTC in the ECM.
Good luck and hope this helps.

Posted on May 26, 2009

  • Terry Yeager Oct 11, 2013

    Ok Thanks,,I think I will tackle this myself.Again the Transmission shifts fine,just won't go into OD.

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