Where is the Quad 4 module? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-04-2005, 11:28 AM   #21
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Quote:
Originally Posted by jr's3800
Ok, if the problem was with the tranny solenoids, shift solenoid A or B he would most likely have a code P1650...

But I'm thinking this is a P1670..

This is the Quad Driver 4 code...

AC Relay Control
MIL " SES " light
Fan 1 control " Low Speed "
Fan 2 control " High Speed "

Thats what quad driver 4 controls...
Yeah, That'* what the good book said to (FSM). There is a chance that the code (only one stored in teh PCM) may have nothing to do with the driveability issues. Maybe we need to look more at ingnition modules, coil packs, fuel delivery?
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Old 04-04-2005, 11:28 AM   #22
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Quote:
Originally Posted by SSEi95
Quote:
Originally Posted by jr's3800
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Originally Posted by SSEi95
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Originally Posted by jr's3800
When the PCM sees a problem with a quad driver, then chances are that there is a solenoid or actuator that is having some issues and the resistance values are too high, as in not functioning correctly...

What was the code?
Code was 670
Ok this will sound stupid comming from me... Is that going to be a P0670 or P1670?
Legit question. it read as a "670, quad #4" code, but in the FSM it is "P1670, Quad #4" code I have seen a few different codes come from my car that needed a P1 in front of it to match the book. Luckily the scanner I have also gives a short discription with the code that can be fairly easialy matched up to the book..
Well at this point I'm not sure.... Does the car do everything its supposed to, and in function fine? Other than running odd..

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Old 04-04-2005, 11:29 AM   #23
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Quote:
Originally Posted by SSEi95
Quote:
Originally Posted by jr's3800
Ok, if the problem was with the tranny solenoids, shift solenoid A or B he would most likely have a code P1650...

But I'm thinking this is a P1670..

This is the Quad Driver 4 code...

AC Relay Control
MIL " SES " light
Fan 1 control " Low Speed "
Fan 2 control " High Speed "

Thats what quad driver 4 controls...
Yeah, That'* what the good book said to (FSM). There is a chance that the code (only one stored in teh PCM) may have nothing to do with the driveability issues. Maybe we need to look more at ingnition modules, coil packs, fuel delivery?
Yup that may be a good idea...

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Old 04-04-2005, 11:41 AM   #24
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Quote:
Originally Posted by jr's3800

Well at this point I'm not sure.... Does the car do everything its supposed to, and in function fine? Other than running odd..
It has a rough start every now and then to the point it will stall out. And the 1st -> 2nd shift thing mentioned earlier. Other than that it seemed ok, but harofreak00 might be able to give more details on that.
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Old 04-04-2005, 11:56 AM   #25
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what gordy mentioned...

once in a while while taking a corner hard with full acceleration, the tranny will slip, not even close to engage, and engine will hit the rev limiter until i let off...

i just called my dad and told him to look at this post...he wil be calling me in a bit when he has time...and he will verify the things that have and have NOT been done to it...

if i can get my car running like gordys, i will be a happy man...
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Old 04-04-2005, 12:00 PM   #26
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The part where the car hits the limiter and the trans just won't engage is what bothers me the most...

Almost sounds as if the trans is on its last leg..

When you swapped out the PCM did you use the chip that was in it, or did you use yours or both? If you used both chips did they have the same results?

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Old 04-04-2005, 12:12 PM   #27
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Quote:
Originally Posted by jr's3800
The part where the car hits the limiter and the trans just won't engage is what bothers me the most...

Almost sounds as if the trans is on its last leg..

When you swapped out the PCM did you use the chip that was in it, or did you use yours or both? If you used both chips did they have the same results?
all we swapped was the entire PCM box...with the 3 connectors on it... and there was no change...

nate has a new tranny for me if i need it, but it would be cool if it was just something small on this one
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Old 04-04-2005, 12:24 PM   #28
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Quote:
Originally Posted by harofreak00
Quote:
Originally Posted by jr's3800
The part where the car hits the limiter and the trans just won't engage is what bothers me the most...

Almost sounds as if the trans is on its last leg..

When you swapped out the PCM did you use the chip that was in it, or did you use yours or both? If you used both chips did they have the same results?
all we swapped was the entire PCM box...with the 3 connectors on it... and there was no change...

nate has a new tranny for me if i need it, but it would be cool if it was just something small on this one
Very true, things seem to be getting iffy with your tranny... Let us know if you find anything..

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Old 04-04-2005, 03:30 PM   #29
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Bad Torque converter? Other then the entire tranny, which swapping out might not be a bad thing either. Nate'* gonna have two good units so maybe a talk with him is in order. I know the one currently in his 95 is a fresh one.
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Old 04-04-2005, 06:16 PM   #30
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Quote:
Originally Posted by BonneMeMN
Bad Torque converter? Other then the entire tranny, which swapping out might not be a bad thing either. Nate'* gonna have two good units so maybe a talk with him is in order. I know the one currently in his 95 is a fresh one.
The 95 tranny is staying in the 95 I only have 18K on that one.....Something isn't right though about the trans slipping out on corners.....that you're having a fluid pressure problem....or possibly a Tranny pump taking a dive? He can have the 85k unit cuz I'm not gonna have a use for that. I'm gonna put a phone call into the tranny shop that I deal with (Only place I'd ever take anything for tranny work) and try to describe the situation the best I can to them and see what we can come up with on that aspect.

With the solenoids.....if the PCM is commanding a shift, but the solenoid doesn't do anything or is slow to respond, will the PCM still show that the solenoid has completed it'* function or it'* active?

Ok, I just got off the horn with my tranny shop. They'd like to drive it so they can experience the symptoms first hand. So if you wanna try and set that up, let me know. They have seen that code come up before, even though nothing with that code pertains to the transmission ( I used to have that code too then it randomly went away) as he stated. What that code means in a tranny'* sense is that it'* a fuel delivery problem. These engines need to be running in perfect order pretty much for the tranny to work right. He said that it'* most likely something to do with the injection system. If the engines not making the power it needs to under WOT then the tranny more or less doesn't know what to do, and the the engine more or less wants to run wierd and the tranny kinda just lags along behind it. This does make sense from what I know of your problem, because if you're not in it at all, just driving nice, the trans will shift fine, correct? Probably because there isn't a huge demand on the fuel system.

So back to my original question, what'* your KR? When was the last time your fuel filter replaced? Since you recently did your exhaust maybe you knocked something in your cat loose to create a clog? (Perfect excuse for a magnaflow high flo cat ) What'* your fuel pressure at? If you're having some hard starts, may want to look into a new FPR, What'* the injector pulse rate?

All these things can lead up to the trans problem that you're having. So I hope this helps.

Nate
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