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Discussion Starter #1
This forum has a nice sticky with code info. Which is great, but I do own a scan tool and it tells me the same stuff.

My problem is understanding what that stuff really means.

I am getting a master reset code and a short in the fuel pump circut error.

I saw it someplace that stated what pin to check on the ECM for each code and a brief description on what each code was caused or set by. Now I can't seem to find the darn thread or page.

If anyone can help direct me to that page. In my best Roger Rabbit P-P-P-P-P-LEASE!!!!!!!!!!!

smacks head for not saving the link.
TIA

Capt
 

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1989 Sedan DeVille is now just a fond memory ....
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They're back! It's back here near the top of the page.

Thanks David Smedley! :thumbsup:
 

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1968 Cadillac Sedan deVille, 1994 Chevrolet G20
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Would the master Reset be an E52 by any chance? If so, did you disconnect the battery recently?

I need to look up the fuel pump one though. I remember that circut was kinda odd, with redundancy through the oil pressure switch and whatnot.
 

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Discussion Starter #4
Ok here are all the codes in order

19 Shorted Fuel Pump Circuit had this one for a long time.

54 Idle Speed Control Problem (I think I accidentally triggered that when I was trying to do the idle learn procedure)

53 Distributor Signal Interrupt --- Never seen this one before

52 Keep Alive Memory reset (yes I had the battery off about 40 miles ago

For reference I am using an Auto X-Ray 240 Scan tool P/N 705-0001-001A
 

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Discussion Starter #5
Just an update, the distributor signal error turned out to be, a loose ground on the MSD 6AL box. Only thing holding the wire from completely falling off was the shrink tube I put on all my connections.

I used the scan tool to clear all the codes and made a couple of new ground straps and all seems to be fine now for the moment. I will update you guys and let you know how it goes in a week. I am going to have to replace the O2 sensors in hopes that it fixes the low response times.
 

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Discussion Starter #6
Hey Kev, you still around.

The link at the top shows the problem associated with each code. However what I am looking for is a slightly more in depth guide.

I know code 19 is fuel pump circute, but what I am looking for is what PIN on the ECM that code refrences too.

There is something about needing a positve 12v suppley to that pin on the ECM, but for the life of me I can`t find an online refrence to that pin.

P.S. I clreaed the codes and have driving it 200 miles the code 19 came back almost instantly.
 

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Hope these help you out!
 
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