4l60e issues
Thread Starter
On The Tree
Joined: Jun 2009
Posts: 195
Likes: 0
From: Pawtucket, RI
4l60e issues ok guys im havin an issue i got a 4l60e jus had it rebuilt, shift kit put in, billet servo, racing clutches all that bs. so i got my 79 mustang running with the 5.3l hooked up the obd2 tester and im pulling like 4 tranny codes and it wont shift on its own but if i manually shift it i can get it to shift 2-3 but no 1-2 shift. everythings hooked up right i think. The pink wire at the tranny connector has power and ground i checked with my power probe, the fuse box has power at all the tranny fuses so any ideas? anyone have a similar issue? some of the codes were shift selonoid B, shift timing control, torque convertor circuit.
Last edited by mechanix565; Sep 28, 2009 at 05:31 PM.
did your car ever drive or did you rebuilt the trans prior to first drive? If it never drove before, i'd start with checking the ecm<->4l60e wiring, not just power but all the solenoid wires.
Thread Starter
On The Tree
Joined: Jun 2009
Posts: 195
Likes: 0
From: Pawtucket, RI
ya i had everything rebuilt prior tot he first drive i thought i had first cuz it was taking off like crazy and burnin the tires off the rims but turns out i was in 2nd lol ill pull up the pin out on all data and check all the selonoids tommoro
I had the same problem with my Impala SS . I found out one of the Fuse is blown . I replace the fuse but keep on blowing. I think I change one of the bad rear o2 sensor and the problem solve
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Staging Lane
Joined: Jun 2007
Posts: 51
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Improper shift functions. The way I would diagnose this would be to get a Tech 2 and do a manual test on the trans and road test it. this way you can control the shift yourself, you can do an electrical test for continuity on all the solenoids . Does it start out in first gear when you take off. For first gear both shift solenoids are on , for second A is On B is off , for third gear both are off and for 4th gear A is off and B is on . if this is above where you want to go take it to a dealer. Good Luck
