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08-29-2011, 08:46 PM
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what can I do with code P1860
What do I need to do to my Trans? It is giving me code P1860 could this be the vacuum modular? or not
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08-29-2011, 11:19 PM
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nope mostly ignition switch im guessin u have a s10 or blazer
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08-29-2011, 11:41 PM
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2003 S10 code P1860 - torque converter clutch PWM solenoid circuit
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08-30-2011, 05:15 AM
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1997 chvey venture
I have 97 Venture and I am have trouble code P1860 what can cause this code?
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08-30-2011, 06:24 AM
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Quote:
I merged your two threads into one here. What is the mileage on this trans? There are several areas of the trans that can cause a code like this. Valve body PWM circuit wear is common, Wear on the stator bushings and the converter lock up clutch material may be deteriorated causing excessive slippage the PCM is reading 
__________________
At the Bonneville Salt Flats, first gear is known as 130 mph.
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08-30-2011, 06:56 AM
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I just had the trans rebuilt and it has 25,000 on the rebuilt rebuild
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08-31-2011, 01:00 AM
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1860 is ignition feed circit most common ign switch failure 1870 is a internal trans issue
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08-31-2011, 06:59 AM
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Quote:
here is a link to describe the code http://www.ls2.com/boggs/a4/DTC%20P1860%203.8.htm
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08-31-2011, 10:39 AM
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thank you that is exactly what I was looking for.
 
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08-31-2011, 11:13 AM
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I'm having the exact same issue with my 97 Camaro convertible (V6). I bought the TCC solenoid at Napa for about $8. Doesn't look to hard to fix. We'll see if that takes care of it.
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08-31-2011, 11:22 AM
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thats cool let me know the only problem with mine is that it is inside the trany
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08-31-2011, 11:50 AM
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Mine is, too. I hear it's pretty easy to do, though. Drop the pan, pull one of the other solenoids to get to the TCC solenoid, disconnect the wiring to the TCC solenoid, replace it, then reverse this procedure. This isn't the exact procedure, but it gives you an idea.
You also have to check the wiring going to the TCC solenoid as well as I guess this can sometimes be the cause of the issue. Along with this, you can actually buy the solenoid one of two ways: with or without the wiring harness. Without was about $8, with was about $40. I guess the harness is pretty easy to replace as well. Since you'd be dropping the tranny pan to do this, might as well buy some fluid and a filter kit and replace those while you're at it.
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08-31-2011, 11:55 AM
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mine are on the end of the trany and I need to drop the K fram to do this so
I am also going to put new cluch plates in at the same time.
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08-31-2011, 06:23 PM
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I apologise , the code 1870 was in my mind since I see that code so often this year. p1860 is a more wide capture code of solenoid problems. Often the PCS is looked at for p1860, but the TCC solenoid can be at fault too, some trouble shooting will point to the pressure manifold.
Depending on mileage of the transmission, you may want to replace the soleniods and pressure manifold on the v-body. Has the vehicle been turing on the warning lite for over heated transmission?
__________________
At the Bonneville Salt Flats, first gear is known as 130 mph.
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