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Discussion Starter · #1 ·
when car is cold, OD works fine! but when it is hot, no OD, like lever is in D position, no OD at any speed, driving down a hill... no OD!

No DTC codes!

well, I suggested software problems in ECU and soldered in ECU panel for EEPROM, I tried different software, tranny shifts a bit different way, but no OD when engine is hot! I trued to simulate ECT sensor at 65 dgr c with resistor and got the same problem, well I tried to keep fan on high speed to get coolant and tranny fluid go coller but anyway, when I start driving I have OD, 10-15 miles it is OK, then no OD till I let engine go cooler....

So seems to me I have problem in valve body, becouse there all clutch packs, belts and other tranny parts were changed with new....

Any Ideas, any tips, gentelmen! I'm dissapointed!
 

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185 Posts
Discussion Starter · #2 ·
about engine: the 3.0 Vulcan.

if someone has wiring diagram, please post me!
What wires controll shift solenoids? There are 3 solenoids only, I wanna connect LED indicators on to be sure do I have control signal from ECU ore not?
 
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