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jjrsmp12

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Posted on Sunday, June 18, 2006 - 9:35 pm:   

Allison HT-746 automatic in my Eagle 15. Cruising on highway for about 10 minutes, DO NOT SHIFT light goes on. Pull off on next exit, torque converter does not unlock. I stall the engine, check fluid, 4 qts too low. Start the engine up, take off, and the light comes back on and stays in whatever gear it was in last. However, it does not stall and torque converter unlocks. I am taking to service tomorrow. Just wanted to know if anyone had any clues. Engine is rebuilt < 1000 miles 6V92T. Thanks
Jon W.

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Posted on Monday, June 19, 2006 - 8:30 am:   

Could be a lot of things. On mine when that occurred the 28 pin plug had corroded and was sending a signal to ATEC telling it it was 20 below zero.

You will need to read the codes and that will pinpoint the problem.

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