Trann - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 1 (permalink) Old 10-22-2011, 07:48 PM Thread Starter
PMS medication required
joedown's Avatar
Join Date: May 2008
Posts: 453

The OD light on my friends truck is always lit and it won't toggle on or off. The transmission shifts fine but will never go into OD. He took it to a tranny shop and they checked the wiring from the column to the ECM and the ECM is receiving a signal when the button is toggled. The tranny is not setting any codes. He is pretty sure that the TQ is engaging. Any ideas? Could this be an ECM problem?

96 F350 4x4 XLT 7.3 76,472 orig miles, Stage I's, Adrenaline, IDM, EBPV, Tymar intake, Banks intercooler, downpipe, gauges, TW 6 position chip, John Wood Towmaster, 1.0 turbo, WW II, Electric fuel conversion, RSK, OH console, Durn cat done run off an I can't find it.
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