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DTC codes won't disable

those codes were low voltage or some bs. plugged in or not, should not set the light. my egr, rear o2 and purge solenoid are 100% gone, plugs just sit there doing nothing.
 


Swiggles said:
Have you tried plugging in the evap components to see if it shuts the light off? I always left the evap stuff plugged in and just set everything to now reporting.
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The reason it's not connected is because this is a 1998 PCM swap into an older car. The 98+ evap system is different than the older stuff and incompatible so when I rewired the PCM connectors I left all the evap wires out.

I can give those pins 12v through current limiting resistors to simulate the solenoids being present and trick the computer.

...but I should be able to turn off these codes with software and I'd like to solve it that way if I can.
 
Scottydoggs said:
some pcm's cross over, i got a 01 pcm in my 98 regal. with a 98 bin of course. you need the year of your car bin for it to run right.

all you can do is try, if it takes it will just take, if its not gonna work you get a warning that is not comparable.

theres a pcm compatibility list in that drop box folder. shows the cross over part #'s.
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I'll stick with the 98 bin file then. I have three PCM's total for this car and they are all the same part # and are from 1998 vehicles.

I guess I'll get to work on copying everything over to that newer osid bin file and see what happens.
 
I copied everything over to the newest osid bin file this morning and programmed the existing PCM with it.

When I first started the engine I actually got more of the P16xx improper voltage codes for other pins that's I didn't connect, but after going back and and setting them to 3 and doing a partial write, they all went away. This osid seems to actually respond to the changes I make so I think the problem is solved.
 
sounds good. if you have a hand held code scanner, check for "im readyness" evap should be ready with out any drive cycles.
 


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