5 codes! no overdrive, no cruise, burned fuse 5C - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-31-2008, 01:37 PM   #1
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Default 5 codes! no overdrive, no cruise, burned fuse 5C

OK, guys, first happy new year!

This is my 96 SE, now with 174k. It runs great for quite a while. Powertran is in top-notch condition.

The title pretty says it all. 5 codes:
p0753,0758 (Shift Solenoid 'A' Electrical,Shift Solenoid 'B' Electrical)
p1651 p1652 (cooling fan relay 1 & 2)
p1864 (TCC Enable Solenoid circuit)

Burned 3 fuses (5C, cooling/transaxle, 10A) since yesterday, including a 20A.

The car doesn't run in OD. 3100 rpm at 70 mph. No cruise control. Gets a hard time going from stop to 10 mph (2500 rpm required). After 10 mph is passed, it runs fine except no OD and CC. With a new fuse, everything becomes normal. But that wouldn't last long because the fuse would be burned again any minute.

I am guessing a relay controlling the transmission is dying or dead. What do you think? How many relays do we have for this purpose and where they are? can I find maps/pictures of them? Can I find electronic diagram of suspected portion? Thank you very much and happy new year!
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Old 01-02-2009, 03:17 PM   #2
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Nobody has an idea? Thanks again!
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Old 01-02-2009, 03:41 PM   #3
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Check the relays in the maxifuse panel under the hood. Sounds like your running in limp home mode.
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Old 01-02-2009, 05:33 PM   #4
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Thanks. But now I realized that the fuses all got burned when there should be an action in the transmission. I also found out that the fuse controls 2 coolant fan relays and 4 transmission solenoids. Two of the fuses were burned when the car was very cold, so I don't think it'* because the coolant fan relays.

So now the a million $ question: how hard is to replace the solenoid (*)? Of course I will verify that it'* the cause before I take the tranny apart. From what I found, I (only) need to take out the tranny side pan to replace them but how? Is it something quite difficult to do? Thank you very much!
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Old 01-02-2009, 05:38 PM   #5
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That'* something I will be unable to help you with, sorry.
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Old 01-05-2009, 10:31 AM   #6
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Ok, an update. I have checked the resistance of all the solenoids inside the transmission. They are all beautifully within specs. So now I do think the transmission is fine, (at least it shouldn't burn the fuse). So what'* next? I did check the fuses under the hood and the 2 coolant fan relays and they are all fine. Thank you very much!
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Old 01-05-2009, 10:34 AM   #7
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Start checking the wires for a short.
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Old 01-05-2009, 10:39 AM   #8
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I did actually. I have finished the portion inside the hood and it'* fine. I did found several other wires got partially burned behind the EGR, . I started working on those inside the car just now but man, so many, . It looks quite scarily with so many wires out there. Is there a good manual I can look at? Thanks. I don't want to mess up anything.
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Old 01-05-2009, 10:44 AM   #9
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The best manual you can get is a factory service manual for your year. Ebay should have them.
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Old 01-05-2009, 10:46 AM   #10
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which means that I can't finished it today, . Anyway, thank you very much, Dan.
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